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b482283cf7
Introduced a new free blocks list. Free blocks are now re-used before new blocks are allocated from the pool. There is a new status variable which can be queried by "show status like key_blocks_unused". include/keycache.h: WL#1700 - Properly count key_blocks_used and key_blocks_current. free_block_list is the new free blocks list. It is implemented like a stack (LIFO). blocks_unused holds the number of never used blocks plus the number of blocks in the free list. Removed the variable global_blocks_used, as it was always the same as blocks_used. mysql-test/r/key_cache.result: WL#1700 - Properly count key_blocks_used and key_blocks_current. Inserted some commands which show how key_blocks_used and key_blocks_unused work. mysql-test/t/key_cache.test: WL#1700 - Properly count key_blocks_used and key_blocks_current. Inserted some commands which show how key_blocks_used and key_blocks_unused work. mysys/mf_keycache.c: WL#1700 - Properly count key_blocks_used and key_blocks_current. Introduced a new free blocks list. The introductory comment says it all (I hope). Removed the variable global_blocks_used, as it was always the same as blocks_used. sql/mysqld.cc: WL#1700 - Properly count key_blocks_used and key_blocks_current. The blocks_unused count can be queried by "show status like key_blocks_unused". Removed the variable global_blocks_used, as it was always the same as blocks_used. Introduced SHOW_KEY_CACHE_CONST_LONG for status variables that must not be modified (i.e. flushed to zero). sql/sql_show.cc: WL#1700 - Properly count key_blocks_used and key_blocks_current. Introduced SHOW_KEY_CACHE_CONST_LONG for status variables that must not be modified (i.e. flushed to zero). sql/sql_test.cc: WL#1700 - Properly count key_blocks_used and key_blocks_current. Removed the variable global_blocks_used, as it was always the same as blocks_used. sql/structs.h: WL#1700 - Properly count key_blocks_used and key_blocks_current. Introduced SHOW_KEY_CACHE_CONST_LONG for status variables that must not be modified (i.e. flushed to zero). |
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| .. | ||
| .cvsignore | ||
| config-netware.h | ||
| config-os2.h | ||
| config-win.h | ||
| errmsg.h | ||
| ft_global.h | ||
| hash.h | ||
| heap.h | ||
| keycache.h | ||
| m_ctype.h | ||
| m_string.h | ||
| Makefile.am | ||
| md5.h | ||
| merge.h | ||
| my_aes.h | ||
| my_alarm.h | ||
| my_alloc.h | ||
| my_base.h | ||
| my_bitmap.h | ||
| my_dbug.h | ||
| my_dir.h | ||
| my_getopt.h | ||
| my_global.h | ||
| my_handler.h | ||
| my_list.h | ||
| my_net.h | ||
| my_no_pthread.h | ||
| my_nosys.h | ||
| my_pthread.h | ||
| my_semaphore.h | ||
| my_sys.h | ||
| my_tree.h | ||
| my_xml.h | ||
| myisam.h | ||
| myisammrg.h | ||
| myisampack.h | ||
| mysql.h | ||
| mysql_com.h | ||
| mysql_embed.h | ||
| mysql_version.h.in | ||
| mysqld_error.h | ||
| mysys_err.h | ||
| nisam.h | ||
| queues.h | ||
| raid.h | ||
| rijndael.h | ||
| sha1.h | ||
| sql_common.h | ||
| sql_state.h | ||
| sslopt-case.h | ||
| sslopt-longopts.h | ||
| sslopt-vars.h | ||
| t_ctype.h | ||
| thr_alarm.h | ||
| thr_lock.h | ||
| typelib.h | ||
| violite.h | ||