mirror of
https://github.com/MariaDB/server.git
synced 2025-01-23 23:34:34 +01:00
95b46843b7
------------------------------------------------------------------------
r5971 | marko | 2009-09-23 09:03:51 -0400 (Wed, 23 Sep 2009) | 2 lines
branches/zip: os_file_pwrite(): Make the code compile in InnoDB Hot Backup
when the pwrite system call is not available.
------------------------------------------------------------------------
r5956 | calvin | 2009-09-22 19:30:10 -0400 (Tue, 22 Sep 2009) | 4 lines
branches/zip: remove handler0vars.h from Makefile.am
Left over from r5950.
------------------------------------------------------------------------
r5951 | calvin | 2009-09-22 11:17:01 -0400 (Tue, 22 Sep 2009) | 4 lines
branches/zip: adjust CMake file to work with old versions of MySQL
Tested with MySQL 5.1.38 and 5.1.30.
------------------------------------------------------------------------
r5950 | calvin | 2009-09-22 02:42:46 -0400 (Tue, 22 Sep 2009) | 17 lines
branches/zip: adjust Windows loading method for 5.1.38
Starting at 5.1.38, MySQL server exports symbols needed
for dynamic plugin on Windows. There is no need for
Windows specific loading. Also, the CMake files are
simplified in 5.1.38.
When WITH_INNOBASE_STORAGE_ENGINE is specified during
configuration (win\configure.js), InnoDB is built as
a static library. Otherwise, a dynamic InnoDB will be
built (ha_innodb.dll).
CMakeLists.txt requires minor changes in order to work
with MySQL prior to 5.1.38. The changes will be in a
separate patch.
This patch addresses Mantis issue#286.
------------------------------------------------------------------------
r5945 | calvin | 2009-09-21 10:53:22 -0400 (Mon, 21 Sep 2009) | 4 lines
branches/zip: fix a type in r5935
Should be innodb_open_files, spotted by Michael.
------------------------------------------------------------------------
r5940 | vasil | 2009-09-21 01:26:04 -0400 (Mon, 21 Sep 2009) | 4 lines
branches/zip:
Add ChangeLog entries for c5938.
------------------------------------------------------------------------
r5938 | calvin | 2009-09-19 03:14:25 -0400 (Sat, 19 Sep 2009) | 41 lines
branches/zip: Merge revisions 2584:2956 from branches/6.0,
except c2932.
Bug#37232 and bug#31183 were fixed in the 6.0 branch only.
They should be fixed in the plugin too, specially MySQL 6.0
is discontinued at this point.
------------------------------------------------------------------------
r2604 | inaam | 2008-08-21 09:37:06 -0500 (Thu, 21 Aug 2008) | 8 lines
branches/6.0 bug#37232
Relax locking behaviour for REPLACE INTO t SELECT ... FROM t1.
Now SELECT on t1 is performed as a consistent read when the isolation
level is set to READ COMMITTED.
Reviewed by: Heikki
------------------------------------------------------------------------
r2605 | inaam | 2008-08-21 09:59:33 -0500 (Thu, 21 Aug 2008) | 7 lines
branches/6.0
Added a comment to clarify why distinct calls to read MySQL binary
log file name and log position do not entail any race condition.
Suggested by: Heikki
------------------------------------------------------------------------
r2956 | inaam | 2008-11-04 04:47:30 -0600 (Tue, 04 Nov 2008) | 11 lines
branches/6.0 bug#31183
If the system tablespace runs out of space because 'autoextend' is
not specified with innodb_data_file_path there was no error message
printed to the error log. The client would get 'table full' error.
This patch prints an appropriate error message to the error log.
rb://43
Approved by: Marko
------------------------------------------------------------------------
------------------------------------------------------------------------
r5935 | calvin | 2009-09-18 17:08:02 -0400 (Fri, 18 Sep 2009) | 6 lines
branches/zip: fix bug#44338; minor non-functional changes
Bug#44338 innodb has message about non-existing option
innodb_max_files_open. Change the option to innodb_open_files.
The fix was committed into 6.0 branch.
------------------------------------------------------------------------
r5934 | vasil | 2009-09-18 13:06:46 -0400 (Fri, 18 Sep 2009) | 4 lines
branches/zip:
Fix typo.
------------------------------------------------------------------------
r5924 | vasil | 2009-09-18 00:59:30 -0400 (Fri, 18 Sep 2009) | 4 lines
branches/zip:
White space and formatting cleanup in the ChangeLog
------------------------------------------------------------------------
r5922 | marko | 2009-09-17 02:32:08 -0400 (Thu, 17 Sep 2009) | 4 lines
branches/zip: innodb-zip.test: Make the test work with zlib 1.2.3.3.
Apparently, the definition of compressBound() has slightly changed.
This has been filed as Mantis Issue #345.
------------------------------------------------------------------------
r5920 | vasil | 2009-09-16 14:47:22 -0400 (Wed, 16 Sep 2009) | 4 lines
branches/zip:
Add ChangeLog entries for r5916.
------------------------------------------------------------------------
r5919 | vasil | 2009-09-16 14:37:13 -0400 (Wed, 16 Sep 2009) | 4 lines
branches/zip:
Whitespace cleanup in the ChangeLog.
------------------------------------------------------------------------
r5917 | marko | 2009-09-16 05:56:23 -0400 (Wed, 16 Sep 2009) | 1 line
branches/zip: innobase_get_cset_width(): Cache the value of current_thd.
------------------------------------------------------------------------
r5916 | marko | 2009-09-16 05:54:43 -0400 (Wed, 16 Sep 2009) | 128 lines
branches/zip: Merge revisions 5622:5912 from branches/5.1, except r5700
(changes to CMakeLists.txt)
------------------------------------------------------------------------
r5622 | vasil | 2009-08-03 15:27:00 +0300 (Mon, 03 Aug 2009) | 20 lines
Changed paths:
M /branches/5.1/Makefile.am
branches/5.1:
Merge a change from MySQL:
------------------------------------------------------------
revno: 2988
committer: Satya B <satya.bn@sun.com>
branch nick: mysql-5.1-bugteam
timestamp: Wed 2009-07-01 11:06:05 +0530
message:
Fix build failure after applying Innodb snapshot 5.1-ss5282
After applying Innodb snapshot 5.1-ss5282, build was broken
because of missing header file.
Adding the header file to Makefile.am after informing the
innodb developers.
modified:
storage/innobase/Makefile.am
------------------------------------------------------------------------
r5740 | jyang | 2009-09-03 06:33:47 +0300 (Thu, 03 Sep 2009) | 5 lines
Changed paths:
M /branches/5.1/handler/ha_innodb.cc
M /branches/5.1/include/db0err.h
A /branches/5.1/mysql-test/innodb_bug46000.result
A /branches/5.1/mysql-test/innodb_bug46000.test
branches/5.1: Disallow creating index with the name of
"GEN_CLUST_INDEX" which is reserved for the default system
primary index. (Bug #46000) rb://149 approved by Sunny Bains.
------------------------------------------------------------------------
r5741 | jyang | 2009-09-03 07:16:01 +0300 (Thu, 03 Sep 2009) | 5 lines
Changed paths:
M /branches/5.1/dict/dict0dict.c
M /branches/5.1/handler/ha_innodb.cc
A /branches/5.1/mysql-test/innodb_bug44369.result
A /branches/5.1/mysql-test/innodb_bug44369.test
M /branches/5.1/row/row0mysql.c
branches/5.1: Block creating table with column name conflicting
with Innodb reserved key words. (Bug #44369) rb://151 approved
by Sunny Bains.
------------------------------------------------------------------------
r5757 | jyang | 2009-09-04 04:26:13 +0300 (Fri, 04 Sep 2009) | 3 lines
Changed paths:
M /branches/5.1/handler/ha_innodb.cc
M /branches/5.1/include/db0err.h
D /branches/5.1/mysql-test/innodb_bug46000.result
D /branches/5.1/mysql-test/innodb_bug46000.test
branches/5.1: Revert change in 5740. Making the fix in a subsequent
check in.
------------------------------------------------------------------------
r5760 | jyang | 2009-09-04 07:07:34 +0300 (Fri, 04 Sep 2009) | 3 lines
Changed paths:
M /branches/5.1/dict/dict0dict.c
M /branches/5.1/handler/ha_innodb.cc
D /branches/5.1/mysql-test/innodb_bug44369.result
D /branches/5.1/mysql-test/innodb_bug44369.test
M /branches/5.1/row/row0mysql.c
branches/5.1: This is to revert change 5741. A return status for
create_table_def() needs to be fixed.
------------------------------------------------------------------------
r5797 | calvin | 2009-09-09 18:26:29 +0300 (Wed, 09 Sep 2009) | 3 lines
Changed paths:
M /branches/5.1/handler/ha_innodb.cc
branches/5.1: merge change from 5.1.38
HA_ERR_TOO_MANY_CONCURRENT_TRXS is added in 5.1.38.
------------------------------------------------------------------------
r5799 | calvin | 2009-09-09 20:47:31 +0300 (Wed, 09 Sep 2009) | 10 lines
Changed paths:
M /branches/5.1/handler/ha_innodb.cc
branches/5.1: fix bug#46256
Allow tables to be dropped even if the collation is not found,
but issue a warning.
Could not find an easy way to add mysql-test since it requires
changes to charsets and restarting the server. Tests were
executed manually.
Approved by: Heikki (on IM)
------------------------------------------------------------------------
r5805 | vasil | 2009-09-10 08:41:48 +0300 (Thu, 10 Sep 2009) | 7 lines
Changed paths:
M /branches/5.1/handler/ha_innodb.cc
branches/5.1:
Fix a compilation warning caused by c5799:
handler/ha_innodb.cc: In function 'void innobase_get_cset_width(ulint, ulint*, ulint*)':
handler/ha_innodb.cc:830: warning: format '%d' expects type 'int', but argument 2 has type 'ulint'
------------------------------------------------------------------------
r5834 | jyang | 2009-09-11 00:43:05 +0300 (Fri, 11 Sep 2009) | 5 lines
Changed paths:
M /branches/5.1/dict/dict0dict.c
M /branches/5.1/handler/ha_innodb.cc
A /branches/5.1/mysql-test/innodb_bug44369.result
A /branches/5.1/mysql-test/innodb_bug44369.test
M /branches/5.1/row/row0mysql.c
branches/5.1: Block creating table with column name conflicting
with Innodb reserved key words. (Bug #44369) rb://151 approved
by Sunny Bains.
------------------------------------------------------------------------
r5895 | jyang | 2009-09-15 03:39:21 +0300 (Tue, 15 Sep 2009) | 5 lines
Changed paths:
M /branches/5.1/handler/ha_innodb.cc
A /branches/5.1/mysql-test/innodb_bug46000.result
A /branches/5.1/mysql-test/innodb_bug46000.test
branches/5.1: Disallow creating index with the name of
"GEN_CLUST_INDEX" which is reserved for the default system
primary index. (Bug #46000) rb://149 approved by Marko Makela.
------------------------------------------------------------------------
------------------------------------------------------------------------
r5910 | marko | 2009-09-16 04:07:21 -0400 (Wed, 16 Sep 2009) | 9 lines
branches/zip: Introduce UNIV_LOG_LSN_DEBUG and MLOG_LSN for redo log
diagnostics. This was written in order to better track down
Issue #313 in InnoDB Hot Backup.
MLOG_LSN: A new redo log entry type, for recording the current log
sequence number (LSN). This will be checked in an assertion in
recv_parse_log_rec().
rb://161, discussed with Sunny and Vasil.
------------------------------------------------------------------------
r5899 | marko | 2009-09-15 07:26:01 -0400 (Tue, 15 Sep 2009) | 4 lines
branches/zip: ut0ut.h: Do not #include "os0sync.h" #ifdef UNIV_HOTBACKUP.
Since r5872, the InnoDB Hot Backup build was broken.
Fix it by not defining any thread synchronization primitives in ut0ut.h.
InnoDB Hot Backup is a single-threaded program.
------------------------------------------------------------------------
r5898 | marko | 2009-09-15 06:18:50 -0400 (Tue, 15 Sep 2009) | 2 lines
branches/zip: Add */.dirstamp to svn:ignore,
for https://svn.innodb.com/svn/hotbackup/branches/3.5
------------------------------------------------------------------------
r5897 | marko | 2009-09-15 04:29:00 -0400 (Tue, 15 Sep 2009) | 8 lines
branches/zip: Avoid bogus messages about latching order violations when
UNIV_SYNC_DEBUG is defined.
sync_thread_levels_g(): Add the parameter "warn". Do not print
anything unless it is set.
sync_thread_add_level(): Pass warn=TRUE to sync_thread_levels_g()
when the check is within an assertion; FALSE if it is not.
------------------------------------------------------------------------
r5893 | inaam | 2009-09-14 11:20:48 -0400 (Mon, 14 Sep 2009) | 10 lines
branches/zip rb://159
In case of pages that are not made young the counter is incremented
only when the page in question is 'old'. In case of pages that are
made young the counter is incremented in case of all pages. For apple
to apple comparison this patch changes the 'young-making' counter to
consider only 'old' blocks.
Approved by: Marko
------------------------------------------------------------------------
r5889 | vasil | 2009-09-14 05:17:18 -0400 (Mon, 14 Sep 2009) | 5 lines
branches/zip:
Add missing return statement in the test program that could have
caused a warning.
------------------------------------------------------------------------
r5888 | vasil | 2009-09-14 04:38:45 -0400 (Mon, 14 Sep 2009) | 40 lines
branches/zip:
Back-merge c5880 and c5881 from branches/embedded-1.0:
------------------------------------------------------------------------
r5880 | vasil | 2009-09-12 17:28:44 +0300 (Sat, 12 Sep 2009) | 18 lines
Changed paths:
M /branches/embedded-1.0/configure.in
M /branches/embedded-1.0/include/os0sync.h
M /branches/embedded-1.0/srv/srv0start.c
branches/embedded-1.0:
Clean up and simplify the code that surrounds the atomic ops:
* Simplify the code that prints what atomics are used:
Instead of repeating the same conditions on which each atomics are used
use just one printf that prints a variable defined by the code which
chooses what atomics to use.
* In os0sync.h pick up each atomic variant only if it has been selected
by autoconf (based on IB_ATOMIC_MODE_* macros). Define the startup message
to be printed.
* In configure.in: check what user has chosen and if he has chosen
something that is not available, emit an error. If nothing has been chosen
explicitly by the user, auto select an option according to the described
logic in configure.in.
------------------------------------------------------------------------
r5881 | vasil | 2009-09-12 20:08:27 +0300 (Sat, 12 Sep 2009) | 4 lines
Changed paths:
M /branches/embedded-1.0/configure.in
branches/embedded-1.0:
Fix syntax error in test program.
------------------------------------------------------------------------
------------------------------------------------------------------------
r5875 | vasil | 2009-09-12 08:11:25 -0400 (Sat, 12 Sep 2009) | 4 lines
branches/zip:
Remove unnecessary macro.
------------------------------------------------------------------------
r5872 | vasil | 2009-09-12 05:35:17 -0400 (Sat, 12 Sep 2009) | 5 lines
branches/zip:
Explicitly include os0sync.h to the places where HAVE_ATOMIC_BUILTINS and
INNODB_RW_LOCKS_USE_ATOMICS are used to avoid potential problems.
------------------------------------------------------------------------
r5871 | vasil | 2009-09-12 05:25:44 -0400 (Sat, 12 Sep 2009) | 6 lines
branches/zip:
Rename HAVE_SOLARIS_ATOMICS to HAVE_IB_SOLARIS_ATOMICS and
IB_HAVE_PAUSE_INSTRUCTION to HAVE_IB_PAUSE_INSTRUCTION so they
all follow the same HAVE_IB_* convention.
------------------------------------------------------------------------
r5870 | vasil | 2009-09-12 05:13:44 -0400 (Sat, 12 Sep 2009) | 7 lines
branches/zip:
Define HAVE_ATOMIC_BUILTINS and INNODB_RW_LOCKS_USE_ATOMICS in os0sync.h
instead of in univ.i. The code expects os_*() macros to be present if
HAVE_ATOMIC_BUILTINS and INNODB_RW_LOCKS_USE_ATOMICS are defined. So define
them next to defining the os_*() macros.
------------------------------------------------------------------------
r5869 | vasil | 2009-09-12 04:33:11 -0400 (Sat, 12 Sep 2009) | 15 lines
branches/zip:
Include ut0auxconf.h only if none of the macros it would define is defined.
The check when to include this header was outdated from the time when there
was only one macro involved.
Move the atomics checks that are in univ.i outside of
#if windows ... #else ... #endif
This simplifies the code and removes some duplicates like defining
HAVE_ATOMIC_BUILTINS if HAVE_WINDOWS_ATOMICS is defined in both branches.
Do not define the same macro HAVE_ATOMIC_PTHREAD_T for different events.
Instead define HAVE_IB_ATOMIC_PTHREAD_T_GCC and
HAVE_IB_ATOMIC_PTHREAD_T_SOLARIS.
------------------------------------------------------------------------
r5868 | vasil | 2009-09-12 04:01:17 -0400 (Sat, 12 Sep 2009) | 6 lines
branches/zip:
Move the check whether to include ut0auxconf.h before everything because
we are now even checking for GCC atomics, we relied on MySQL to define
this macro before.
------------------------------------------------------------------------
r5867 | vasil | 2009-09-12 03:43:45 -0400 (Sat, 12 Sep 2009) | 4 lines
branches/zip:
Update comment to reflect reality.
------------------------------------------------------------------------
r5866 | vasil | 2009-09-12 03:30:08 -0400 (Sat, 12 Sep 2009) | 5 lines
branches/zip:
Add the check for GCC atomics to ut0auxconf* (copied from plug.in) because
we no longer rely on MySQL's HAVE_GCC_ATOMIC_BUILTINS.
------------------------------------------------------------------------
r5865 | vasil | 2009-09-12 03:26:03 -0400 (Sat, 12 Sep 2009) | 10 lines
branches/zip:
Simplify the compile time checks by splittig them into 5 independent checks:
* Whether GCC atomics are available
* Whether pthread_t can be used by GCC atomics
* Whether Solaris libc atomics are available
* Whether pthread_t can be used by Solaris libs atomics
* Checking the size of pthread_t
------------------------------------------------------------------------
r5864 | vasil | 2009-09-12 03:22:55 -0400 (Sat, 12 Sep 2009) | 4 lines
branches/zip:
Include string.h which is needed for memset().
------------------------------------------------------------------------
r5863 | vasil | 2009-09-12 03:07:08 -0400 (Sat, 12 Sep 2009) | 10 lines
branches/zip:
Check that pthread_t can indeed be passed to Solaris atomic functions, instead
of assuming that it can be passed if 0 can be assigned to it. It could be that:
* 0 can be assigned, but pthread_t cannot be passed and
* 0 cannot be assigned but pthread_t can be passed
Better to check what we are interested in, not something else and make
assumptions.
------------------------------------------------------------------------
r5858 | vasil | 2009-09-11 13:46:47 -0400 (Fri, 11 Sep 2009) | 4 lines
branches/zip:
Fix the indentation of the closing bracket.
------------------------------------------------------------------------
r5826 | marko | 2009-09-10 07:29:46 -0400 (Thu, 10 Sep 2009) | 12 lines
branches/zip: Roll back recovered dictionary transactions before
dropping incomplete indexes (Issue #337).
trx_rollback_or_clean_recovered(ibool all): New function, split from
trx_rollback_or_clean_all_recovered(). all==FALSE will only roll back
dictionary transactions.
recv_recovery_from_checkpoint_finish(): Call
trx_rollback_or_clean_recovered(FALSE) before
row_merge_drop_temp_indexes().
rb://158 approved by Sunny Bains
------------------------------------------------------------------------
r5825 | marko | 2009-09-10 06:47:09 -0400 (Thu, 10 Sep 2009) | 20 lines
branches/zip: Reduce mutex contention that was introduced when
addressing Bug #45015 (Issue #316), in r5703.
buf_page_set_accessed_make_young(): New auxiliary function, called by
buf_page_get_zip(), buf_page_get_gen(),
buf_page_optimistic_get_func(). Call ut_time_ms() outside of
buf_pool_mutex. Use cached access_time.
buf_page_set_accessed(): Add the parameter time_ms, so that
ut_time_ms() need not be called while holding buf_pool_mutex.
buf_page_optimistic_get_func(), buf_page_get_known_nowait(): Read
buf_page_t::access_time without holding buf_pool_mutex. This should be
OK, because the field is only used for heuristic purposes.
buf_page_peek_if_too_old(): If buf_pool->freed_page_clock == 0, return
FALSE, so that we will not waste time moving blocks in the LRU list in
the warm-up phase or when the workload fits in the buffer pool.
rb://156 approved by Sunny Bains
------------------------------------------------------------------------
r5822 | marko | 2009-09-10 06:10:20 -0400 (Thu, 10 Sep 2009) | 1 line
branches/zip: buf_page_release(): De-stutter the function comment.
------------------------------------------------------------------------
r5804 | marko | 2009-09-10 01:29:31 -0400 (Thu, 10 Sep 2009) | 1 line
branches/zip: trx_cleanup_at_db_startup(): Fix a typo in comment.
------------------------------------------------------------------------
r5798 | calvin | 2009-09-09 11:28:10 -0400 (Wed, 09 Sep 2009) | 5 lines
branches/zip:
HA_ERR_TOO_MANY_CONCURRENT_TRXS is added in 5.1.38.
But the plugin should still work with previous versions
of MySQL.
------------------------------------------------------------------------
r5792 | vasil | 2009-09-09 09:35:58 -0400 (Wed, 09 Sep 2009) | 32 lines
branches/zip:
Fix a bug in manipulating the variable innodb_old_blocks_pct:
for any value assigned it got that value -1, except for 75. When
assigned 75, it got 75.
mysql> set global innodb_old_blocks_pct=15;
Query OK, 0 rows affected (0.00 sec)
mysql> show variables like 'innodb_old_blocks_pct';
+-----------------------+-------+
| Variable_name | Value |
+-----------------------+-------+
| innodb_old_blocks_pct | 14 |
+-----------------------+-------+
1 row in set (0.00 sec)
mysql> set global innodb_old_blocks_pct=75;
Query OK, 0 rows affected (0.00 sec)
mysql> show variables like 'innodb_old_blocks_pct';
+-----------------------+-------+
| Variable_name | Value |
+-----------------------+-------+
| innodb_old_blocks_pct | 75 |
+-----------------------+-------+
After the fix it gets exactly what was assigned.
Approved by: Marko (via IM)
------------------------------------------------------------------------
r5783 | marko | 2009-09-09 03:25:00 -0400 (Wed, 09 Sep 2009) | 1 line
branches/zip: buf_page_is_accessed(): Correct the function comment.
------------------------------------------------------------------------
r5782 | marko | 2009-09-09 03:00:59 -0400 (Wed, 09 Sep 2009) | 2 lines
branches/zip: buf_page_peek_if_too_old(): Silence a compiler warning
that was introduced in r5779 on 32-bit systems.
------------------------------------------------------------------------
r5780 | marko | 2009-09-09 02:50:50 -0400 (Wed, 09 Sep 2009) | 1 line
branches/zip: ut_time_ms(): Return ulint, not uint.
------------------------------------------------------------------------
r5779 | marko | 2009-09-09 02:17:19 -0400 (Wed, 09 Sep 2009) | 2 lines
branches/zip: buf_page_peek_if_too_old(): Make the bitmasking work when
buf_pool->freed_page_clock is wider than 32 bits.
------------------------------------------------------------------------
r5777 | marko | 2009-09-08 11:50:25 -0400 (Tue, 08 Sep 2009) | 2 lines
branches/zip: Remove BUF_LRU_INITIAL_RATIO, which should have been removed
together with buf_LRU_get_recent_limit().
------------------------------------------------------------------------
r5775 | calvin | 2009-09-07 17:15:05 -0400 (Mon, 07 Sep 2009) | 13 lines
branches/zip: Build InnoDB on Windows with UNIV_HOTBACKUP
The changes are non-functional changes for normal InnoDB,
but needed for building the Hot Backup on Windows (with
UNIV_HOTBACKUP defined).
- Define os_aio_use_native_aio for HB.
- Do not acquire seek mutexes for backup since HB is single threaded.
- Do not use srv_flush_log_at_trx_commit for HB build
rb://155
Approved by: Marko
------------------------------------------------------------------------
r5752 | marko | 2009-09-03 10:55:51 -0400 (Thu, 03 Sep 2009) | 10 lines
branches/zip: recv_recover_page_func(): Write the log sequence number
to the compressed page, if there is one. Previously, the function only
wrote the LSN to the uncompressed page.
It is not clear why recv_recover_page_func() is updating FIL_PAGE_LSN
in the buffer pool. The log sequence number will be stamped on the
page when it is flushed to disk, in buf_flush_init_for_writing().
I noticed this inconsistency when analyzing Issue #313, but this patch
does not fix it. That is no surprise, since FIL_PAGE_LSN should only
matter on disk files, not in the buffer pool.
------------------------------------------------------------------------
r5751 | marko | 2009-09-03 10:36:15 -0400 (Thu, 03 Sep 2009) | 7 lines
branches/zip: row_merge(): Remove a bogus debug assertion
that was triggered when creating an index on an empty table.
row_merge_sort(): Add debug assertions and comments that justify
the loop termination condition.
The bogus assertion ut_ad(ihalf > 0) was reported by Michael.
------------------------------------------------------------------------
r5748 | marko | 2009-09-03 07:05:44 -0400 (Thu, 03 Sep 2009) | 1 line
branches/zip: MLOG_MULTI_REC_END: Correct the comment.
------------------------------------------------------------------------
r5747 | marko | 2009-09-03 06:46:38 -0400 (Thu, 03 Sep 2009) | 2 lines
branches/zip: recv_scan_log_recs(): Replace while with do...while,
because the termination condition will always hold on the first iteration.
------------------------------------------------------------------------
r5746 | marko | 2009-09-03 04:55:36 -0400 (Thu, 03 Sep 2009) | 2 lines
branches/zip: log_reserve_and_write_fast(): Do not cache the log_sys pointer
in a local variable.
------------------------------------------------------------------------
r5745 | marko | 2009-09-03 04:38:22 -0400 (Thu, 03 Sep 2009) | 2 lines
branches/zip: log_check_log_recs(): Enclose in #ifdef UNIV_LOG_DEBUG.
Add const qualifiers.
------------------------------------------------------------------------
r5744 | marko | 2009-09-03 04:28:35 -0400 (Thu, 03 Sep 2009) | 1 line
branches/zip: ut_align(): Make ptr const, like in ut_align_down().
------------------------------------------------------------------------
r5743 | marko | 2009-09-03 02:36:12 -0400 (Thu, 03 Sep 2009) | 3 lines
branches/zip: log_reserve_and_write_fast(): Remove the redundant
output parameter "success".
Success is also indicated by a nonzero return value.
------------------------------------------------------------------------
r5736 | marko | 2009-09-02 03:53:19 -0400 (Wed, 02 Sep 2009) | 1 line
branches/zip: Enclose some timestamp functions in #ifndef UNIV_HOTBACKUP.
------------------------------------------------------------------------
r5735 | marko | 2009-09-02 03:43:09 -0400 (Wed, 02 Sep 2009) | 2 lines
branches/zip: univ.i: Do not undefine PACKAGE or VERSION.
InnoDB source code does not refer to these macros.
------------------------------------------------------------------------
r5734 | sunny | 2009-09-02 03:08:45 -0400 (Wed, 02 Sep 2009) | 2 lines
branches/zip: Update ChangeLog with r5733 changes.
------------------------------------------------------------------------
r5733 | sunny | 2009-09-02 03:05:15 -0400 (Wed, 02 Sep 2009) | 6 lines
branches/zip: Fix a regression introduced by the fix for bug#26316. We check
whether a transaction holds any AUTOINC locks before we acquire the kernel
mutex and release those locks.
Fix for rb://153. Approved by Marko.
------------------------------------------------------------------------
r5716 | vasil | 2009-08-31 03:47:49 -0400 (Mon, 31 Aug 2009) | 9 lines
branches/zip:
Fix Bug#46718 InnoDB plugin incompatible with gcc 4.1 (at least: on PPC): "Undefined symbol"
by implementing our own check in plug.in instead of using the result from
the check from MySQL because it is insufficient.
Approved by: Marko (rb://154)
------------------------------------------------------------------------
r5714 | marko | 2009-08-31 02:10:10 -0400 (Mon, 31 Aug 2009) | 5 lines
branches/zip: buf_chunk_not_freed(): Do not acquire block->mutex unless
block->page.state == BUF_BLOCK_FILE_PAGE. Check that block->page.state
makes sense.
Approved by Sunny Bains over the IM.
------------------------------------------------------------------------
r5709 | inaam | 2009-08-28 02:22:46 -0400 (Fri, 28 Aug 2009) | 5 lines
branches/zip rb://152
Disable display of deprecated parameter innodb_file_io_threads in
'show variables'.
------------------------------------------------------------------------
r5708 | inaam | 2009-08-27 18:43:32 -0400 (Thu, 27 Aug 2009) | 4 lines
branches/zip
Remove redundant TRUE : FALSE from the return statement
------------------------------------------------------------------------
r5707 | inaam | 2009-08-27 12:20:35 -0400 (Thu, 27 Aug 2009) | 6 lines
branches/zip
Remove unused macros as we erased the random readahead code in r5703.
Also fixed some comments.
------------------------------------------------------------------------
r5706 | inaam | 2009-08-27 12:00:27 -0400 (Thu, 27 Aug 2009) | 20 lines
branches/zip rb://147
Done away with following two status variables:
innodb_buffer_pool_read_ahead_rnd
innodb_buffer_pool_read_ahead_seq
Introduced two new status variables:
innodb_buffer_pool_read_ahead = number of pages read as part of
readahead since server startup
innodb_buffer_pool_read_ahead_evicted = number of pages that are read
in as readahead but were evicted before ever being accessed since
server startup i.e.: a measure of how badly our readahead is
performing
SHOW INNODB STATUS will show two extra numbers in buffer pool section:
pages read ahead/sec and pages evicted without access/sec
Approved by: Marko
------------------------------------------------------------------------
r5705 | marko | 2009-08-27 07:56:24 -0400 (Thu, 27 Aug 2009) | 11 lines
branches/zip: dict_index_find_cols(): On column name lookup failure,
return DB_CORRUPTION (HA_ERR_CRASHED) instead of abnormally
terminating the server. Also, disable the previously added diagnostic
output to the error log, because mysql-test-run does not like extra
output in the error log. (Bug #44571)
dict_index_add_to_cache(): Handle errors from dict_index_find_cols().
mysql-test/innodb_bug44571.test: A test case for triggering the bug.
rb://135 approved by Sunny Bains.
------------------------------------------------------------------------
r5704 | marko | 2009-08-27 04:31:17 -0400 (Thu, 27 Aug 2009) | 32 lines
branches/zip: Fix a critical bug in fast index creation that could
corrupt the created indexes.
row_merge(): Make "half" an in/out parameter. Determine the offset of
half the output file. Copy the last blocks record-by-record instead of
block-by-block, so that the records can be counted. Check that the
input and output have matching n_rec.
row_merge_sort(): Do not assume that two blocks of size N are merged
into a block of size 2*N. The output block can be shorter than the
input if the last page of each input block is almost empty. Use an
accurate termination condition, based on the "half" computed by
row_merge().
row_merge_read(), row_merge_write(), row_merge_blocks(): Add debug output.
merge_file_t, row_merge_file_create(): Add n_rec, the number of records
in the merge file.
row_merge_read_clustered_index(): Update n_rec.
row_merge_blocks(): Update and check n_rec.
row_merge_blocks_copy(): New function, for copying the last blocks in
row_merge(). Update and check n_rec.
This bug was discovered with a user-supplied test case that creates an
index where the initial temporary file is 249 one-megabyte blocks and
the merged files become smaller. In the test, possible merge record
sizes are 10, 18, and 26 bytes.
rb://150 approved by Sunny Bains. This addresses Issue #320.
------------------------------------------------------------------------
r5703 | marko | 2009-08-27 03:25:00 -0400 (Thu, 27 Aug 2009) | 41 lines
branches/zip: Replace the constant 3/8 ratio that controls the LRU_old
size with the settable global variable innodb_old_blocks_pct. The
minimum and maximum values are 5 and 95 per cent, respectively. The
default is 100*3/8, in line with the old behavior.
ut_time_ms(): New utility function, to return the current time in
milliseconds. TODO: Is there a more efficient timestamp function, such
as rdtsc divided by a power of two?
buf_LRU_old_threshold_ms: New variable, corresponding to
innodb_old_blocks_time. The value 0 is the default behaviour: no
timeout before making blocks 'new'.
bpage->accessed, bpage->LRU_position, buf_pool->ulint_clock: Remove.
bpage->access_time: New field, replacing bpage->accessed. Protected by
buf_pool_mutex instead of bpage->mutex. Updated when a page is created
or accessed the first time in the buffer pool.
buf_LRU_old_ratio, innobase_old_blocks_pct: New variables,
corresponding to innodb_old_blocks_pct
buf_LRU_old_ratio_update(), innobase_old_blocks_pct_update(): Update
functions for buf_LRU_old_ratio, innobase_old_blocks_pct.
buf_page_peek_if_too_old(): Compare ut_time_ms() to bpage->access_time
if buf_LRU_old_threshold_ms && bpage->old. Else observe
buf_LRU_old_ratio and bpage->freed_page_clock.
buf_pool_t: Add n_pages_made_young, n_pages_not_made_young,
n_pages_made_young_old, n_pages_not_made_young, for statistics.
buf_print(): Display buf_pool->n_pages_made_young,
buf_pool->n_pages_not_made_young. This function is only for crash
diagnostics.
buf_print_io(): Display buf_pool->LRU_old_len and quantities derived
from buf_pool->n_pages_made_young, buf_pool->n_pages_not_made_young.
This function is invoked by SHOW ENGINE INNODB STATUS.
rb://129 approved by Heikki Tuuri. This addresses Bug #45015.
------------------------------------------------------------------------
r5702 | marko | 2009-08-27 03:03:15 -0400 (Thu, 27 Aug 2009) | 1 line
branches/zip: Document also the files affected by r5698 in the ChangeLog.
------------------------------------------------------------------------
r5701 | marko | 2009-08-27 03:01:42 -0400 (Thu, 27 Aug 2009) | 1 line
branches/zip: Document r5698 in the ChangeLog.
------------------------------------------------------------------------
r5698 | inaam | 2009-08-26 10:34:35 -0400 (Wed, 26 Aug 2009) | 13 lines
branches/zip bug#42885 rb://148
The call to put IO threads to sleep was most probably meant for Windows
only as the comment in buf0rea.c suggests. However it was enabled on
all platforms. This patch restricts the sleep call to windows. This
approach of not putting threads to sleep makes even more sense because
now we have multiple threads working in the background and it probably
is not a good idea to put all of them to sleep because a user thread
wants to post a batch for readahead.
Approved by: Marko
------------------------------------------------------------------------
r5697 | vasil | 2009-08-26 09:44:40 -0400 (Wed, 26 Aug 2009) | 4 lines
branches/zip:
Fix typo.
------------------------------------------------------------------------
r5696 | vasil | 2009-08-26 09:15:59 -0400 (Wed, 26 Aug 2009) | 14 lines
branches/zip:
Merge a change from MySQL:
http://lists.mysql.com/commits/80832
2968 Jonathan Perkin 2009-08-14
Build fixes for Windows, AIX, HP/UX and Sun Studio11, from Timothy Smith.
modified:
CMakeLists.txt
cmd-line-utils/readline/util.c
storage/innodb_plugin/handler/i_s.cc
storage/innodb_plugin/include/univ.i
------------------------------------------------------------------------
r5695 | marko | 2009-08-26 09:14:59 -0400 (Wed, 26 Aug 2009) | 1 line
branches/zip: UNIV_DEBUG_LOCK_VALIDATE: Move the definition to univ.i.
------------------------------------------------------------------------
r5694 | marko | 2009-08-26 07:25:26 -0400 (Wed, 26 Aug 2009) | 2 lines
branches/zip: buf_page_t: Clarify that bpage->list may contain garbage.
This comment was provoked by Inaam.
------------------------------------------------------------------------
r5687 | vasil | 2009-08-20 05:20:22 -0400 (Thu, 20 Aug 2009) | 8 lines
branches/zip:
ChangeLog:
Follow the convention from the rest of the ChangeLog: for bugfixes from
bugs.mysql.com only the bug number and title goes in the ChangeLog. Detailed
explanation on what is the problem and how it was fixed is present in
the bugs database.
------------------------------------------------------------------------
r5686 | vasil | 2009-08-20 05:15:05 -0400 (Thu, 20 Aug 2009) | 4 lines
branches/zip:
White-space fixup.
------------------------------------------------------------------------
r5685 | sunny | 2009-08-20 04:18:29 -0400 (Thu, 20 Aug 2009) | 2 lines
branches/zip: Update the ChangeLog with r5684 change.
------------------------------------------------------------------------
r5684 | sunny | 2009-08-20 04:05:30 -0400 (Thu, 20 Aug 2009) | 10 lines
branches/zip: Fix bug# 46650: Innodb assertion autoinc_lock == lock in lock_table_remove_low on INSERT SELECT
We only store the autoinc locks that are granted in the transaction's autoinc
lock vector. A transacton, that has been rolled back due to a deadlock because
of an AUTOINC lock attempt, will not have added that lock to the vector. We
need to check for that when we remove that lock.
rb://145
Approved by Marko.
------------------------------------------------------------------------
r5681 | sunny | 2009-08-14 02:16:24 -0400 (Fri, 14 Aug 2009) | 3 lines
branches/zip: When building HotBackup srv_use_sys_malloc is #ifdef out. We
move access to the this variable within a !UNIV_HOTBACKUP block.
------------------------------------------------------------------------
r5671 | marko | 2009-08-13 04:46:33 -0400 (Thu, 13 Aug 2009) | 5 lines
branches/zip: ha_innobase::add_index(): Fix Bug #46557:
after a successful operation, read innodb_table->flags from
the newly created table object, not from the old one that was just freed.
Approved by Sunny.
------------------------------------------------------------------------
r5670 | marko | 2009-08-12 09:16:37 -0400 (Wed, 12 Aug 2009) | 2 lines
branches/zip: trx_undo_rec_copy(): Add const qualifier to undo_rec.
This is a non-functional change.
------------------------------------------------------------------------
r5663 | marko | 2009-08-11 07:42:37 -0400 (Tue, 11 Aug 2009) | 2 lines
branches/zip: trx_general_rollback_for_mysql(): Remove the redundant
parameter partial. If savept==NULL, partial==FALSE.
------------------------------------------------------------------------
r5662 | marko | 2009-08-11 05:54:16 -0400 (Tue, 11 Aug 2009) | 1 line
branches/zip: Bump the version number to 1.0.5 after releasing 1.0.4.
------------------------------------------------------------------------
r5642 | calvin | 2009-08-06 19:04:03 -0400 (Thu, 06 Aug 2009) | 2 lines
branches/zip: remove duplicate "the" in comments.
------------------------------------------------------------------------
r5639 | marko | 2009-08-06 06:39:34 -0400 (Thu, 06 Aug 2009) | 3 lines
branches/zip: mem_heap_block_free(): If innodb_use_sys_malloc is set,
do not tell Valgrind that the memory is free, to avoid
a bogus warning in Valgrind's built-in free() hook.
------------------------------------------------------------------------
r5636 | marko | 2009-08-05 08:27:30 -0400 (Wed, 05 Aug 2009) | 2 lines
branches/zip: lock_rec_validate_page(): Add the parameter zip_size.
This should help track down Mantis Issue #289.
------------------------------------------------------------------------
r5635 | marko | 2009-08-05 07:06:55 -0400 (Wed, 05 Aug 2009) | 2 lines
branches/zip: Replace <number> with NUMBER in some comments,
to avoid problems with Doxygen XML output.
------------------------------------------------------------------------
r5629 | marko | 2009-08-04 07:42:44 -0400 (Tue, 04 Aug 2009) | 1 line
branches/zip: mysql-test: Pass MTR's internal checks.
------------------------------------------------------------------------
r5626 | vasil | 2009-08-04 01:53:31 -0400 (Tue, 04 Aug 2009) | 4 lines
branches/zip:
Revert the dummy change from c5625.
------------------------------------------------------------------------
r5625 | vasil | 2009-08-04 01:52:48 -0400 (Tue, 04 Aug 2009) | 32 lines
branches/zip: Merge 5518:5622 from branches/5.1, resolving conflict in r5622
(after resolving the conflict Makefile.am was not changed so I have made
a dummy change so I can commit and thus record that branches/5.1 has been
merged in branches/zip up to 5622):
------------------------------------------------------------------------
r5622 | vasil | 2009-08-03 15:27:00 +0300 (Mon, 03 Aug 2009) | 20 lines
Changed paths:
M /branches/5.1/Makefile.am
branches/5.1:
Merge a change from MySQL:
------------------------------------------------------------
revno: 2988
committer: Satya B <satya.bn@sun.com>
branch nick: mysql-5.1-bugteam
timestamp: Wed 2009-07-01 11:06:05 +0530
message:
Fix build failure after applying Innodb snapshot 5.1-ss5282
After applying Innodb snapshot 5.1-ss5282, build was broken
because of missing header file.
Adding the header file to Makefile.am after informing the
innodb developers.
modified:
storage/innobase/Makefile.am
------------------------------------------------------------------------
------------------------------------------------------------------------
r5614 | vasil | 2009-07-31 11:09:07 -0400 (Fri, 31 Jul 2009) | 6 lines
branches/zip:
Add fsp0types.h to the list of noinst_HEADERS
Suggested by: Sergey Vojtovich <svoj@sun.com>
------------------------------------------------------------------------
r5539 | vasil | 2009-07-21 06:28:27 -0400 (Tue, 21 Jul 2009) | 4 lines
branches/zip:
Add a test program to check whether the PAUSE instruction is available.
------------------------------------------------------------------------
r5537 | vasil | 2009-07-21 05:31:26 -0400 (Tue, 21 Jul 2009) | 5 lines
branches/zip:
Fixups in ChangeLog: sort filenames alphabetically and wrap to 78 chars per
line.
------------------------------------------------------------------------
r5527 | sunny | 2009-07-20 17:56:30 -0400 (Mon, 20 Jul 2009) | 2 lines
branches/zip: For HotBackup builds we don't want to hide the symbols.
------------------------------------------------------------------------
r5525 | calvin | 2009-07-20 13:14:30 -0400 (Mon, 20 Jul 2009) | 2 lines
branches/zip: add ChangeLog entry for r5524.
------------------------------------------------------------------------
295 lines
11 KiB
C
295 lines
11 KiB
C
/*****************************************************************************
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Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved.
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place, Suite 330, Boston, MA 02111-1307 USA
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*****************************************************************************/
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/**************************************************//**
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@file include/buf0lru.h
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The database buffer pool LRU replacement algorithm
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Created 11/5/1995 Heikki Tuuri
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*******************************************************/
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#ifndef buf0lru_h
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#define buf0lru_h
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#include "univ.i"
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#include "ut0byte.h"
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#include "buf0types.h"
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/** The return type of buf_LRU_free_block() */
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enum buf_lru_free_block_status {
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/** freed */
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BUF_LRU_FREED = 0,
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/** not freed because the caller asked to remove the
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uncompressed frame but the control block cannot be
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relocated */
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BUF_LRU_CANNOT_RELOCATE,
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/** not freed because of some other reason */
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BUF_LRU_NOT_FREED
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};
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/******************************************************************//**
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Tries to remove LRU flushed blocks from the end of the LRU list and put them
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to the free list. This is beneficial for the efficiency of the insert buffer
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operation, as flushed pages from non-unique non-clustered indexes are here
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taken out of the buffer pool, and their inserts redirected to the insert
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buffer. Otherwise, the flushed blocks could get modified again before read
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operations need new buffer blocks, and the i/o work done in flushing would be
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wasted. */
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UNIV_INTERN
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void
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buf_LRU_try_free_flushed_blocks(void);
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/*==================================*/
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/******************************************************************//**
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Returns TRUE if less than 25 % of the buffer pool is available. This can be
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used in heuristics to prevent huge transactions eating up the whole buffer
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pool for their locks.
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@return TRUE if less than 25 % of buffer pool left */
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UNIV_INTERN
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ibool
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buf_LRU_buf_pool_running_out(void);
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/*==============================*/
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/*#######################################################################
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These are low-level functions
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#########################################################################*/
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/** Minimum LRU list length for which the LRU_old pointer is defined */
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#define BUF_LRU_OLD_MIN_LEN 512 /* 8 megabytes of 16k pages */
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/** Maximum LRU list search length in buf_flush_LRU_recommendation() */
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#define BUF_LRU_FREE_SEARCH_LEN (5 + 2 * BUF_READ_AHEAD_AREA)
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/******************************************************************//**
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Invalidates all pages belonging to a given tablespace when we are deleting
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the data file(s) of that tablespace. A PROBLEM: if readahead is being started,
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what guarantees that it will not try to read in pages after this operation has
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completed? */
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UNIV_INTERN
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void
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buf_LRU_invalidate_tablespace(
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/*==========================*/
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ulint id); /*!< in: space id */
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/********************************************************************//**
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Insert a compressed block into buf_pool->zip_clean in the LRU order. */
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UNIV_INTERN
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void
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buf_LRU_insert_zip_clean(
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/*=====================*/
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buf_page_t* bpage); /*!< in: pointer to the block in question */
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/******************************************************************//**
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Try to free a block. If bpage is a descriptor of a compressed-only
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page, the descriptor object will be freed as well.
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NOTE: If this function returns BUF_LRU_FREED, it will not temporarily
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release buf_pool_mutex. Furthermore, the page frame will no longer be
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accessible via bpage.
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The caller must hold buf_pool_mutex and buf_page_get_mutex(bpage) and
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release these two mutexes after the call. No other
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buf_page_get_mutex() may be held when calling this function.
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@return BUF_LRU_FREED if freed, BUF_LRU_CANNOT_RELOCATE or
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BUF_LRU_NOT_FREED otherwise. */
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UNIV_INTERN
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enum buf_lru_free_block_status
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buf_LRU_free_block(
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/*===============*/
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buf_page_t* bpage, /*!< in: block to be freed */
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ibool zip, /*!< in: TRUE if should remove also the
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compressed page of an uncompressed page */
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ibool* buf_pool_mutex_released);
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/*!< in: pointer to a variable that will
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be assigned TRUE if buf_pool_mutex
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was temporarily released, or NULL */
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/******************************************************************//**
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Try to free a replaceable block.
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@return TRUE if found and freed */
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UNIV_INTERN
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ibool
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buf_LRU_search_and_free_block(
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/*==========================*/
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ulint n_iterations); /*!< in: how many times this has been called
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repeatedly without result: a high value means
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that we should search farther; if
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n_iterations < 10, then we search
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n_iterations / 10 * buf_pool->curr_size
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pages from the end of the LRU list; if
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n_iterations < 5, then we will also search
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n_iterations / 5 of the unzip_LRU list. */
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/******************************************************************//**
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Returns a free block from the buf_pool. The block is taken off the
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free list. If it is empty, returns NULL.
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@return a free control block, or NULL if the buf_block->free list is empty */
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UNIV_INTERN
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buf_block_t*
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buf_LRU_get_free_only(void);
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/*=======================*/
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/******************************************************************//**
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Returns a free block from the buf_pool. The block is taken off the
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free list. If it is empty, blocks are moved from the end of the
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LRU list to the free list.
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@return the free control block, in state BUF_BLOCK_READY_FOR_USE */
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UNIV_INTERN
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buf_block_t*
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buf_LRU_get_free_block(
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/*===================*/
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ulint zip_size); /*!< in: compressed page size in bytes,
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or 0 if uncompressed tablespace */
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/******************************************************************//**
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Puts a block back to the free list. */
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UNIV_INTERN
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void
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buf_LRU_block_free_non_file_page(
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/*=============================*/
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buf_block_t* block); /*!< in: block, must not contain a file page */
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/******************************************************************//**
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Adds a block to the LRU list. */
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UNIV_INTERN
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void
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buf_LRU_add_block(
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/*==============*/
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buf_page_t* bpage, /*!< in: control block */
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ibool old); /*!< in: TRUE if should be put to the old
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blocks in the LRU list, else put to the
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start; if the LRU list is very short, added to
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the start regardless of this parameter */
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/******************************************************************//**
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Adds a block to the LRU list of decompressed zip pages. */
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UNIV_INTERN
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void
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buf_unzip_LRU_add_block(
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/*====================*/
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buf_block_t* block, /*!< in: control block */
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ibool old); /*!< in: TRUE if should be put to the end
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of the list, else put to the start */
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/******************************************************************//**
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Moves a block to the start of the LRU list. */
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UNIV_INTERN
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void
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buf_LRU_make_block_young(
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/*=====================*/
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buf_page_t* bpage); /*!< in: control block */
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/******************************************************************//**
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Moves a block to the end of the LRU list. */
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UNIV_INTERN
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void
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buf_LRU_make_block_old(
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/*===================*/
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buf_page_t* bpage); /*!< in: control block */
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/**********************************************************************//**
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Updates buf_LRU_old_ratio.
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@return updated old_pct */
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UNIV_INTERN
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uint
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buf_LRU_old_ratio_update(
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/*=====================*/
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uint old_pct,/*!< in: Reserve this percentage of
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the buffer pool for "old" blocks. */
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ibool adjust);/*!< in: TRUE=adjust the LRU list;
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FALSE=just assign buf_LRU_old_ratio
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during the initialization of InnoDB */
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/********************************************************************//**
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Update the historical stats that we are collecting for LRU eviction
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policy at the end of each interval. */
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UNIV_INTERN
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void
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buf_LRU_stat_update(void);
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/*=====================*/
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#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG
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/**********************************************************************//**
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Validates the LRU list.
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@return TRUE */
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UNIV_INTERN
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ibool
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buf_LRU_validate(void);
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/*==================*/
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#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */
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#if defined UNIV_DEBUG_PRINT || defined UNIV_DEBUG || defined UNIV_BUF_DEBUG
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/**********************************************************************//**
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Prints the LRU list. */
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UNIV_INTERN
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void
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buf_LRU_print(void);
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/*===============*/
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#endif /* UNIV_DEBUG_PRINT || UNIV_DEBUG || UNIV_BUF_DEBUG */
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/** @name Heuristics for detecting index scan @{ */
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/** Reserve this much/BUF_LRU_OLD_RATIO_DIV of the buffer pool for
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"old" blocks. Protected by buf_pool_mutex. */
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extern uint buf_LRU_old_ratio;
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/** The denominator of buf_LRU_old_ratio. */
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#define BUF_LRU_OLD_RATIO_DIV 1024
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/** Maximum value of buf_LRU_old_ratio.
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@see buf_LRU_old_adjust_len
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@see buf_LRU_old_ratio_update */
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#define BUF_LRU_OLD_RATIO_MAX BUF_LRU_OLD_RATIO_DIV
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/** Minimum value of buf_LRU_old_ratio.
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@see buf_LRU_old_adjust_len
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@see buf_LRU_old_ratio_update
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The minimum must exceed
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(BUF_LRU_OLD_TOLERANCE + 5) * BUF_LRU_OLD_RATIO_DIV / BUF_LRU_OLD_MIN_LEN. */
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#define BUF_LRU_OLD_RATIO_MIN 51
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#if BUF_LRU_OLD_RATIO_MIN >= BUF_LRU_OLD_RATIO_MAX
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# error "BUF_LRU_OLD_RATIO_MIN >= BUF_LRU_OLD_RATIO_MAX"
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#endif
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#if BUF_LRU_OLD_RATIO_MAX > BUF_LRU_OLD_RATIO_DIV
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# error "BUF_LRU_OLD_RATIO_MAX > BUF_LRU_OLD_RATIO_DIV"
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#endif
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/** Move blocks to "new" LRU list only if the first access was at
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least this many milliseconds ago. Not protected by any mutex or latch. */
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extern uint buf_LRU_old_threshold_ms;
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/* @} */
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/** @brief Statistics for selecting the LRU list for eviction.
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These statistics are not 'of' LRU but 'for' LRU. We keep count of I/O
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and page_zip_decompress() operations. Based on the statistics we decide
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if we want to evict from buf_pool->unzip_LRU or buf_pool->LRU. */
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struct buf_LRU_stat_struct
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{
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ulint io; /**< Counter of buffer pool I/O operations. */
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ulint unzip; /**< Counter of page_zip_decompress operations. */
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};
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/** Statistics for selecting the LRU list for eviction. */
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typedef struct buf_LRU_stat_struct buf_LRU_stat_t;
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/** Current operation counters. Not protected by any mutex.
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Cleared by buf_LRU_stat_update(). */
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extern buf_LRU_stat_t buf_LRU_stat_cur;
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/** Running sum of past values of buf_LRU_stat_cur.
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Updated by buf_LRU_stat_update(). Protected by buf_pool_mutex. */
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extern buf_LRU_stat_t buf_LRU_stat_sum;
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/********************************************************************//**
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Increments the I/O counter in buf_LRU_stat_cur. */
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#define buf_LRU_stat_inc_io() buf_LRU_stat_cur.io++
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/********************************************************************//**
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Increments the page_zip_decompress() counter in buf_LRU_stat_cur. */
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#define buf_LRU_stat_inc_unzip() buf_LRU_stat_cur.unzip++
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#ifndef UNIV_NONINL
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#include "buf0lru.ic"
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#endif
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#endif
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