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Author SHA1 Message Date
Michael Widenius
26565ae1d6 Aria issues: 
- Fix for LP#700623 "Aria recovery: ma_blockrec.c:3930: _ma_update_at_original_place: Assertion `block->org_bitmap_value == _ma_bitmap_get_page_bits(info, &info->s->bitmap, page)' failed"
  - Issue was that when deleting a tail page where all index entries where full, the page was marked wrongly in the bitmap.
- If debug_assert_if_crashed_table is set, we now crash when we find Aria corrupted.
- Write more information if we find something wrong with the bitmap.
- Fixed that REPAIR also can fix wrong create_rename_lsn issues (a very unlikely event)
- Define STATE_CRASHED_FLAGS as set of all CRASHED flags (to simplify code)


storage/maria/ha_maria.cc:
  Mark the normal page cache (not the page cache for the logs) so that we can request extra debugging for it.
  Copy the value of debug_assert_if_crashed_table to maria_assert_if_crashed_table so that we can request a crash at exactly the point where we find Aria corrupted.
  Use STATE_CRASHED_FLAGS
storage/maria/ma_bitmap.c:
  Made bits_to_txt extern so that we can use this in maria_chk
  Added extra information to the log files to be able to easier find bitmap failures in recovery. (When compiling with -DEXTRA_DEBUG_BITMAP)
  Added _ma_get_bitmap_description() to request a clear text description of the bitmap.
  Simplify _ma_check_bitmap_data(), as we know the bitmap pattern in the caller.
storage/maria/ma_blockrec.c:
  In delete_head_or_tail(), fixed a bug where we sent wrong information to _ma_bitmap_set() if the directory was full for a page that should be freed.
  This fixed LP#700623 (failure in bitmap found during recovery)
storage/maria/ma_blockrec.h:
  Added definitions for _ma_get_bitmap_description() and bits_to_txt
storage/maria/ma_check.c:
  Simplify call to _ma_check_bitmap_data().
  Write more information if we find something wrong with the bitmap.
  Moved getting clear text information about the bitmap to ma_bitmap.c::_ma_get_bitmap_description()
storage/maria/ma_checkpoint.c:
  More asserts
storage/maria/ma_create.c:
  Fix wrong create_rename_lsn during repair.
  (Create_rename_lsn can be too big if someone restores an old maria_log_file after an Aria file was created)
storage/maria/ma_delete.c:
  Call _ma_set_fatal_error() in case of crashed file
  Remove not needed test of save_errno == HA_ERR_KEY_NOT_FOUND. (Handled by other code
storage/maria/ma_extra.c:
  Call _ma_set_fatal_error() in case of crashed file
  Reset share->bitmap.changed_not_flushed to not cause new ASSERTS to trigger.
  Added _ma_file_callback_to_id() for writing share->id to log file in case of DEBUG logging.
storage/maria/ma_init.c:
  Destroy also translog if it's readonly (as when called by maria_read_log -d)
storage/maria/ma_key.c:
  Call _ma_set_fatal_error() in case of crashed file
storage/maria/ma_key_recover.c:
  STATE_CRASHED -> STATE_CRASHED_FLAGS
storage/maria/ma_keycache.c:
  Call _ma_set_fatal_error() in case of crashed file
storage/maria/ma_locking.c:
  Call _ma_set_fatal_error() in case of crashed file.
  Added _ma_set_fatal_error()
storage/maria/ma_open.c:
  Call _ma_set_fatal_error() in case of crashed file
storage/maria/ma_page.c:
  Call _ma_set_fatal_error() in case of crashed file
storage/maria/ma_pagecache.c:
  Added extra information to log file to simply debugging of bitmap errors.
storage/maria/ma_pagecache.h:
  Added extra_debug flag to allow marking of row and index cache for extra logging (for debugging).
storage/maria/ma_panic.c:
  Flush both data and index blocks in case of HA_PANIC_CLOSE
  Fixed wrong position of 'break'. (Not critical for MariaDB as MariaDB never uses this code)
storage/maria/ma_recovery_util.c:
  Avoid writing extra not needed \n to DBUG log.
storage/maria/ma_rkey.c:
  Call _ma_set_fatal_error() in case of crashed file
storage/maria/ma_search.c:
  Call _ma_set_fatal_error() in case of crashed file
storage/maria/ma_static.c:
  Define maria_assert_if_crashed_table
storage/maria/ma_update.c:
  Call _ma_set_fatal_error() in case of crashed file.
  The new code also avoids a problem where we before would print the error twice.
storage/maria/ma_write.c:
  Call _ma_set_fatal_error() in case of crashed file
storage/maria/maria_chk.c:
  STATE_CRASHED -> STATE_CRASHED_FLAGS
storage/maria/maria_def.h:
  Added STATE_CRASHED_PRINTED to avoid giving error message about crash twice.
  Added STATE_CRASHED_FLAGS to be able to easily detect and set all CRASHED related flags.
  Added prototypes for new functions.
storage/myisam/mi_panic.c:
  Fixed wrong position of 'break'. (Not critical for MariaDB as MariaDB never uses this code)
 2011-01-24 15:19:40 +02:00
Michael Widenius
5b0afd8a0d Bug fixing in Aria: 
- Fixed some bugs in recovery of blobs
- Don't ASSERT() on checksum errors when running check table
- Added to maria_read_log option --tables-to-redo=list-of-tables to only recover some tables (good for debugging)


storage/maria/ma_blockrec.c:
  Don't ASSERT() on checksum errors when running check table
  Fixed bug in recovery of blog page that was not in dirty pages list
storage/maria/ma_check.c:
  Don't ASSERT() on checksum errors when running check table
storage/maria/ma_recovery.c:
  Handling of --tables-to-redo
storage/maria/ma_recovery.h:
  Handling of --tables-to-redo
storage/maria/ma_recovery_util.c:
  Give better warning if table was not in dirty pages list
storage/maria/maria_def.h:
  Added in_check_table
storage/maria/maria_read_log.c:
  Added --tables-to-redo=list-of-tables to only recover some tables (good for debugging)
  Cleaned up message when wrong arguments
 2011-01-06 22:49:17 +02:00
Michael Widenius
d2f8b7d045 Fix for LP#602604: RQG: ma_blockrec.c:6187: _ma_apply_redo_insert_row_head_or_tail: Assertion `0' failed on Maria engine recovery 
More DBUG_PRINT (to simplify future debugging)
Aria: Added STATE_IN_REPAIR, which is set on start of repair. This allows us to see if 'crashed' flag was set intentionally.
Aria: Some trivial speedup optimization
Aria: Better warning if table was marked crashed by unfinnished repair


mysql-test/lib/v1/mysql-test-run.pl:
  Fix so one can run RQG
mysql-test/suite/maria/r/maria-recovery2.result:
  Update for new error message.
mysys/stacktrace.c:
  Fixed compiler warning
storage/maria/ha_maria.cc:
  More DBUG_PRINT
  Added STATE_IN_REPAIR flag, which is set on start of repair. This allows us to see if 'crashed' flag was set intentionally.
  Don't log query for dropping temporary table.
storage/maria/ha_maria.h:
  Added prototype for drop_table()
storage/maria/ma_blockrec.c:
  More DBUG_PRINT
  Make read_long_data() inline for most cases. (Trivial speedup optimization)
storage/maria/ma_check.c:
  Better warning if table was marked crashed by unfinnished repair
storage/maria/ma_open.c:
  More DBUG_PRINT
storage/maria/ma_recovery.c:
  Give warning if found crashed table.
  Changed warning for tables that can't be opened.
storage/maria/ma_recovery_util.c:
  Write warnings to DBUG file
storage/maria/maria_chk.c:
  Added STATE_IN_REPAIR flag, which is set on start of repair. This allows us to see if 'crashed' flag was set intentionally.
storage/maria/maria_def.h:
  Added maria_mark_in_repair(x)
storage/maria/maria_read_log.c:
  Added option: --character-sets-dir
storage/maria/trnman.c:
  By default set min_read_from to max value.
  This allows us to remove TRN:s from rows during recovery to get more space.
  This fixes bug LP#602604: RQG: ma_blockrec.c:6187: _ma_apply_redo_insert_row_head_or_tail: Assertion `0' failed on Maria engine recovery
 2010-07-30 10:45:27 +03:00
unknown
2fcff8988a Fix for BUG#34114 "maria_chk reports false error when several tables on 
command-line" and BUG#34062 "Maria table corruption on master".
Use 5 bytes (instead of 4) to store page's number in the checkpoint
record, to allow bigger table (1PB with maria-block-size=1kB).
Help pushbuild not run out of memory by moving the portion of
maria-recovery.test which generates lots of data into a -big.test.


mysql-test/r/maria-recovery.result:
  result moved
mysql-test/t/maria-recovery.test:
  piece which generates much data moved to maria-recovery-big.test
mysys/my_pread.c:
  To fix BUG#34062, where a 1.1TB file was generated due to a wrong
  pwrite offset, it was useful to not lose precision on 'offset' in
  DBUG_PRINT, so that the crazy value is visible.
mysys/my_read.c:
  To fix BUG#34062, where a 1.1TB file was generated due to a wrong
  pwrite offset, it was useful to not lose precision on 'offset' in
  DBUG_PRINT, so that the crazy value is visible.
mysys/my_write.c:
  To fix BUG#34062, where a 1.1TB file was generated due to a wrong
  pwrite offset, it was useful to not lose precision on 'offset' in
  DBUG_PRINT, so that the crazy value is visible.
storage/maria/ha_maria.cc:
  When starting a bulk insert, we throw away dirty index pages from the
  cache. Unique (non disabled) key insertions thus read out-of-date
  pages from the disk leading to BUG#34062 "Maria table corruption on
  master": a DELETE in procedure viewer_sp() had deleted all rows of
  viewer_tbl2 one by one, putting index page 1 into key_del; that page
  was thrown away at start of INSERT SELECT, then the INSERT SELECT
  needed a page to insert keys, looked at key_del, found 1, read page 1
  from disk, and its out-of-date content was used to set the new value of
  key_del (crazy value of 1TB), then a later insertion needed another
  index page, tried to read page at this crazy offset and failed, leading
  to corruption mark.
  The fix is to destroy out-of-date pages and make the state consistent
  with that, i.e. call maria_delete_all_rows().
storage/maria/ma_blockrec.c:
  Special hook for UNDO_BULK_INSERT
storage/maria/ma_blockrec.h:
  special hook for UNDO_BULK_INSERT
storage/maria/ma_check.c:
  Fix for BUG#34114 "maria_chk reports false error when several tables on
  command-line": if the Nth (on the command line) table was BLOCK_RECORD
  it would start checks by using the param->record_checksum computed by
  checks of table N-1.
storage/maria/ma_delete_all.c:
  comment
storage/maria/ma_loghandler.c:
  special hook for UNDO_BULK_INSERT
storage/maria/ma_page.c:
  comment
storage/maria/ma_pagecache.c:
  page number is 5 bytes in checkpoint record now (allows bigger tables)
storage/maria/ma_recovery.c:
  page number is 5 bytes in checkpoint record now
storage/maria/ma_recovery_util.c:
  page number is 5 bytes now
storage/maria/ma_write.c:
  typo
mysql-test/r/maria-recovery-big.result:
  result is correct
mysql-test/t/maria-recovery-big-master.opt:
  usual options for recovery tests
mysql-test/t/maria-recovery-big.test:
  Moving out the big blob test to a -big test (it exhausts memory when
  using /dev/shm on certain machines)
 2008-01-29 22:20:59 +01:00
unknown
534417c285 WL#3072 - Maria Recovery 
Bulk insert: don't log REDO/UNDO for rows, log one UNDO which will
truncate files; this is an optimization and a bugfix (table was left
half-repaired by crash).
Repair: mark table crashed-on-repair at start, bump skip_redo_lsn at start,
this is easier for recovery (tells it to skip old REDOs or even UNDO
phase) and user (tells it to repair) in case of crash, sync files
in the end.
Recovery skips missing or corrupted table and moves to next record
(in REDO or UNDO phase) to be more robust; warns if happens in UNDO phase.
Bugfix for UNDO_KEY_DELETE_WITH_ROOT (tested in ma_test_recovery)
and maria_enable_indexes().
Create missing bitmaps when needed (there can be more than one to create,
in rare cases), log a record for this.


include/myisamchk.h:
  new flag: bulk insert repair mustn't bump create_rename_lsn
mysql-test/lib/mtr_report.pl:
  skip normal warning in maria-recovery.test
mysql-test/r/maria-recovery.result:
  result: crash before bulk insert is committed, causes proper rollback,
  and crash right after OPTIMIZE replaces index file with new index file
  leads to table marked corrupted and recovery not failing.
mysql-test/t/maria-recovery.test:
  - can't check the table or it would commit the transaction,
  but check is made after recovery.
  - test of crash before bulk-insert-with-repair is committed
  (to see if it is rolled back), and of crash after OPTIMIZE has replaced
  index file but not finished all operations (to see if recovery fails -
  it used to assert when trying to execute an old REDO on the new
  index).
storage/maria/CMakeLists.txt:
  new file
storage/maria/Makefile.am:
  new file
storage/maria/ha_maria.cc:
  - If bulk insert on a transactional table using an index repair:
  table is initially empty, so don't log REDO/UNDO for data rows
  (optimization), just log an UNDO_BULK_INSERT_WITH_REPAIR
  which will, if executed, empty the data and index file. Re-enable
  logging in end_bulk_insert().
  - write log record for repair operation only after it's fully done,
  index sort including (maria_repair*() used to write the log record).
  - Adding back file->trn=NULL which was removed by mistake earlier.
storage/maria/ha_maria.h:
  new member (see ha_maria.cc)
storage/maria/ma_bitmap.c:
  Functions to create missing bitmaps:
  - one function which creates missing bitmaps in page cache, except
  the missing one with max offset which it does not put into page cache
  as it will be modified very soon.
  - one function which the one above calls, and creates bitmaps in page
  cache
  - one function to execute REDO_BITMAP_NEW_PAGE which uses the second
  one above.
storage/maria/ma_blockrec.c:
  - when logging REDO_DELETE_ALL, not only 'records' and 'checksum'
  has to be reset under log's mutex.
  - execution of REDO_INSERT_ROW_BLOBS now checks the dirty pages' list
  - execution of UNDO_BULK_INSERT_WITH_REPAIR
storage/maria/ma_blockrec.h:
  new functions
storage/maria/ma_check.c:
  - table-flush-before-repair is moved to a separate function reused
  by maria_sort_index(); syncing is added
  - maria_repair() is allowed to re-enable logging only if it is the one
  which disabled it.
  - "_ma_flush_table_files_after_repair" was a bad name, it's not after
  repair now, and it should not sync as we do more changes to the files
  shortly after (sync is postponed to when writing the log record)
  - REDO_REPAIR record should be written only after all repair
  operations (in particular after sorting index in ha_mara::repair())
  - close to the end of repair by sort, flushing of pages must happen
  also in the non-quick case, to prepare for the sync at end.
  - in parallel repair, some page flushes are not needed as done
  by initialize_variables_for_repair().
storage/maria/ma_create.c:
  Update skip_redo_lsn, create_rename_lsn optionally.
storage/maria/ma_delete_all.c:
  Need to sync files at end of maria_delete_all_rows(), if transactional.
storage/maria/ma_extra.c:
  During repair, we sometimes call _ma_flush_table_files() (via
  _ma_flush_table_files_before_swap()) while there is a WRITE_CACHE.
storage/maria/ma_key_recover.c:
  - when we see CLR_END for UNDO_BULK_INSERT_WITH_REPAIR, re-enable
  indices.
  - fixing bug: _ma_apply_undo_key_delete() parsed UNDO_KEY_DELETE_WITH_ROOT
  wrongly, leading to recovery failure
storage/maria/ma_key_recover.h:
  new prototype
storage/maria/ma_locking.c:
  DBUG_VOID_RETURN missing
storage/maria/ma_loghandler.c:
  UNDO for bulk insert with repair, and REDO for creating bitmaps.
  LOGREC_FIRST_FREE to not have to change the for() every time we
  add a new record type.
storage/maria/ma_loghandler.h:
  new UNDO and REDO
storage/maria/ma_open.c:
  Move share.kfile.file=kfile up a bit, so that _ma_update_state_lsns()
  can get its value, this fixes a bug where LSN_REPAIRED_BY_MARIA_CHK
  was not corrected on disk by maria_open().
  Store skip_redo_lsn in index' header.
  maria_enable_indexes() had a bug for BLOCK_RECORD, where an empty
  file has one page, not 0 bytes.
storage/maria/ma_recovery.c:
  - Skip a corrupted, missing, or repaired-with-maria_chk, table in
  recovery: don't fail, just go to next REDO or UNDO; but if an UNDO
  is skipped in UNDO phase we issue warnings.
  - Skip REDO|UNDO in REDO phase if <skip_redo_lsn.
  - If UNDO phase fails, delete transactions to not make trnman
  assert.
  - Update skip_redo_lsn when playing REDO_CREATE_TABLE
  - Don't record UNDOs for old transactions which we don't know (long_trid==0)
  - Bugfix for UNDO_KEY_DELETE_WITH_ROOT (see ma_key_recover.c)
  - Execution of UNDO_BULK_INSERT_WITH_REPAIR
  - Don't try to find a page number in REDO_DELETE_ALL
  - Pieces moved to ma_recovery_util.c
storage/maria/ma_rename.c:
  name change
storage/maria/ma_static.c:
  I modified layout of the index' header (inserted skip_redo_lsn in its middle)
storage/maria/ma_test2.c:
  allow breaking the test towards the end, tests execution of
  UNDO_KEY_DELETE_WITH_ROOT
storage/maria/ma_test_recovery.expected:
  6 as testflag instead of 4
storage/maria/ma_test_recovery:
  Increase the amount of rollback work to do when testing recovery
  with ma_test2; this reproduces the UNDO_KEY_DELETE_WITH_ROOT bug.
storage/maria/maria_chk.c:
  skip_redo_lsn should be updated too, for consistency.
  Write a REDO_REPAIR after all operations (including sort-records)
  have been done.
  No reason to flush blocks after maria_chk_data_link() and
  maria_sort_records(), there is maria_close() in the end.
  write_log_record() is a function, to not clutter maria_chk().
storage/maria/maria_def.h:
  New member skip_redo_lsn in the state, and comments
storage/maria/maria_pack.c:
  skip_redo_lsn should be updated too, for consistency
storage/maria/ma_recovery_util.c:
  _ma_redo_not_needed_for_page(), defined in ma_recovery.c, is needed
  by ma_blockrec.c; this causes link issues, resolved by putting
  _ma_redo_not_needed_for_page() into a new file (so that it is not
  in the same file as repair-related objects of ma_recovery.c).
storage/maria/ma_recovery_util.h:
  new file
 2008-01-17 23:59:32 +01:00