Sergei Golubchik
13 years ago
30 changed files with 2118 additions and 66 deletions
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8mysql-test/r/information_schema_all_engines.result
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0mysql-test/suite/sys_vars/r/innodb_changed_pages_limit_basic.result
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24mysql-test/suite/sys_vars/r/innodb_persistent_stats_root_page_basic.result
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21mysql-test/suite/sys_vars/r/innodb_track_changed_pages_basic.result
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0mysql-test/suite/sys_vars/t/innodb_changed_pages_limit_basic.test
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26mysql-test/suite/sys_vars/t/innodb_persistent_stats_root_page_basic.test
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21mysql-test/suite/sys_vars/t/innodb_track_changed_pages_basic.test
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31storage/xtradb/CMakeLists.txt
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9storage/xtradb/btr/btr0sea.c
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13storage/xtradb/buf/buf0buf.c
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112storage/xtradb/buf/buf0lru.c
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36storage/xtradb/handler/ha_innodb.cc
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295storage/xtradb/handler/i_s.cc
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1storage/xtradb/handler/i_s.h
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11storage/xtradb/include/buf0lru.h
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5storage/xtradb/include/log0log.h
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111storage/xtradb/include/log0online.h
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37storage/xtradb/include/log0recv.h
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9storage/xtradb/include/os0file.h
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28storage/xtradb/include/os0sync.h
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23storage/xtradb/include/srv0srv.h
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2storage/xtradb/include/univ.i
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22storage/xtradb/include/ut0rbt.h
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126storage/xtradb/log/log0log.c
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1085storage/xtradb/log/log0online.c
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8storage/xtradb/log/log0recv.c
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20storage/xtradb/os/os0file.c
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52storage/xtradb/srv/srv0srv.c
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19storage/xtradb/srv/srv0start.c
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29storage/xtradb/ut/ut0rbt.c
@ -0,0 +1,24 @@ |
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SELECT @@global.innodb_persistent_stats_root_page; |
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@@global.innodb_persistent_stats_root_page |
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0 |
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SELECT COUNT(@@global.innodb_persistent_stats_root_page); |
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COUNT(@@global.innodb_persistent_stats_root_page) |
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1 |
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SET @@global.innodb_persistent_stats_root_page=100; |
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ERROR HY000: Variable 'innodb_persistent_stats_root_page' is a read only variable |
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SELECT @@global.innodb_persistent_stats_root_page = VARIABLE_VALUE |
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FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES |
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WHERE VARIABLE_NAME='innodb_persistent_stats_root_page'; |
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@@global.innodb_persistent_stats_root_page = VARIABLE_VALUE |
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1 |
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SELECT COUNT(*) FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES |
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WHERE VARIABLE_NAME='innodb_persistent_stats_root_page'; |
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COUNT(*) |
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1 |
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SELECT @@innodb_persistent_stats_root_page = @@global.innodb_persistent_stats_root_page; |
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@@innodb_persistent_stats_root_page = @@global.innodb_persistent_stats_root_page |
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1 |
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SELECT COUNT(@@local.innodb_persistent_stats_root_page); |
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ERROR HY000: Variable 'innodb_persistent_stats_root_page' is a GLOBAL variable |
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SELECT COUNT(@@session.innodb_persistent_stats_root_page); |
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ERROR HY000: Variable 'innodb_persistent_stats_root_page' is a GLOBAL variable |
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@ -0,0 +1,21 @@ |
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SELECT COUNT(@@GLOBAL.innodb_track_changed_pages); |
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COUNT(@@GLOBAL.innodb_track_changed_pages) |
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1 |
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SET @@GLOBAL.innodb_track_changed_pages=1; |
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ERROR HY000: Variable 'innodb_track_changed_pages' is a read only variable |
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SELECT @@GLOBAL.innodb_track_changed_pages = VARIABLE_VALUE |
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FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES |
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WHERE VARIABLE_NAME='innodb_track_changed_pages'; |
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@@GLOBAL.innodb_track_changed_pages = VARIABLE_VALUE |
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1 |
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Warnings: |
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Warning 1292 Truncated incorrect DOUBLE value: 'OFF' |
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SELECT @@innodb_track_changed_pages = @@GLOBAL.innodb_track_changed_pages; |
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@@innodb_track_changed_pages = @@GLOBAL.innodb_track_changed_pages |
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1 |
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SELECT COUNT(@@SESSION.innodb_track_changed_pages); |
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ERROR HY000: Variable 'innodb_track_changed_pages' is a GLOBAL variable |
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SELECT COUNT(@@LOCAL.innodb_track_changed_pages); |
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ERROR HY000: Variable 'innodb_track_changed_pages' is a GLOBAL variable |
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SELECT innodb_track_changed_pages = @@SESSION.innodb_track_changed_pages; |
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ERROR 42S22: Unknown column 'innodb_track_changed_pages' in 'field list' |
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@ -0,0 +1,26 @@ |
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--source include/have_debug.inc |
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--source include/have_xtradb.inc |
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SELECT @@global.innodb_persistent_stats_root_page; |
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SELECT COUNT(@@global.innodb_persistent_stats_root_page); |
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# Read-only variable |
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--error ER_INCORRECT_GLOBAL_LOCAL_VAR |
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SET @@global.innodb_persistent_stats_root_page=100; |
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# Check if INFORMATION_SCHEMA agrees with the var |
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SELECT @@global.innodb_persistent_stats_root_page = VARIABLE_VALUE |
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FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES |
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WHERE VARIABLE_NAME='innodb_persistent_stats_root_page'; |
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SELECT COUNT(*) FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES |
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WHERE VARIABLE_NAME='innodb_persistent_stats_root_page'; |
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# Check if accessing the var without GLOBAL points to the same |
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SELECT @@innodb_persistent_stats_root_page = @@global.innodb_persistent_stats_root_page; |
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--error ER_INCORRECT_GLOBAL_LOCAL_VAR |
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SELECT COUNT(@@local.innodb_persistent_stats_root_page); |
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--error ER_INCORRECT_GLOBAL_LOCAL_VAR |
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SELECT COUNT(@@session.innodb_persistent_stats_root_page); |
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@ -0,0 +1,21 @@ |
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# Tests for innodb_track_changed_pages variable |
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--source include/have_xtradb.inc |
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SELECT COUNT(@@GLOBAL.innodb_track_changed_pages); |
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--error ER_INCORRECT_GLOBAL_LOCAL_VAR |
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SET @@GLOBAL.innodb_track_changed_pages=1; |
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SELECT @@GLOBAL.innodb_track_changed_pages = VARIABLE_VALUE |
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FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES |
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WHERE VARIABLE_NAME='innodb_track_changed_pages'; |
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SELECT @@innodb_track_changed_pages = @@GLOBAL.innodb_track_changed_pages; |
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--error ER_INCORRECT_GLOBAL_LOCAL_VAR |
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SELECT COUNT(@@SESSION.innodb_track_changed_pages); |
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--error ER_INCORRECT_GLOBAL_LOCAL_VAR |
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SELECT COUNT(@@LOCAL.innodb_track_changed_pages); |
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--error ER_BAD_FIELD_ERROR |
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SELECT innodb_track_changed_pages = @@SESSION.innodb_track_changed_pages; |
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@ -0,0 +1,111 @@ |
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/***************************************************************************** |
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Copyright (c) 2011-2012, Percona Inc. 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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|
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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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|
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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/log0online.h |
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Online database log parsing for changed page tracking |
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*******************************************************/ |
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#ifndef log0online_h |
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#define log0online_h |
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#include "univ.i" |
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#include "os0file.h" |
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/*********************************************************************//** |
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Initializes the online log following subsytem. */ |
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UNIV_INTERN |
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void |
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log_online_read_init(); |
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/*===================*/ |
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/*********************************************************************//** |
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Shuts down the online log following subsystem. */ |
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UNIV_INTERN |
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void |
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log_online_read_shutdown(); |
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/*=======================*/ |
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/*********************************************************************//** |
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Reads and parses the redo log up to last checkpoint LSN to build the changed |
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page bitmap which is then written to disk. */ |
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UNIV_INTERN |
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void |
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log_online_follow_redo_log(); |
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/*=========================*/ |
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/** The iterator through all bits of changed pages bitmap blocks */ |
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struct log_bitmap_iterator_struct |
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{ |
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char in_name[FN_REFLEN]; /*!< the file name for bitmap |
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input */ |
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os_file_t in; /*!< the bitmap input file */ |
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ib_uint64_t in_offset; /*!< the next write position in the |
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bitmap output file */ |
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ib_uint32_t bit_offset; /*!< bit offset inside of bitmap |
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block*/ |
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ib_uint64_t start_lsn; /*!< Start lsn of the block */ |
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ib_uint64_t end_lsn; /*!< End lsn of the block */ |
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ib_uint32_t space_id; /*!< Block space id */ |
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ib_uint32_t first_page_id; /*!< First block page id */ |
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ibool changed; /*!< true if current page was changed */ |
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byte* page; /*!< Bitmap block */ |
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}; |
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typedef struct log_bitmap_iterator_struct log_bitmap_iterator_t; |
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#define LOG_BITMAP_ITERATOR_START_LSN(i) \ |
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((i).start_lsn) |
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#define LOG_BITMAP_ITERATOR_END_LSN(i) \ |
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((i).end_lsn) |
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#define LOG_BITMAP_ITERATOR_SPACE_ID(i) \ |
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((i).space_id) |
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#define LOG_BITMAP_ITERATOR_PAGE_NUM(i) \ |
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((i).first_page_id + (i).bit_offset) |
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#define LOG_BITMAP_ITERATOR_PAGE_CHANGED(i) \ |
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((i).changed) |
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/*********************************************************************//** |
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Initializes log bitmap iterator. |
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@return TRUE if the iterator is initialized OK, FALSE otherwise. */ |
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UNIV_INTERN |
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ibool |
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log_online_bitmap_iterator_init( |
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/*============================*/ |
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log_bitmap_iterator_t *i); /*!<in/out: iterator */ |
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/*********************************************************************//** |
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Releases log bitmap iterator. */ |
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UNIV_INTERN |
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void |
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log_online_bitmap_iterator_release( |
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/*===============================*/ |
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log_bitmap_iterator_t *i); /*!<in/out: iterator */ |
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/*********************************************************************//** |
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Iterates through bits of saved bitmap blocks. |
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Sequentially reads blocks from bitmap file(s) and interates through |
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their bits. Ignores blocks with wrong checksum. |
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@return TRUE if iteration is successful, FALSE if all bits are iterated. */ |
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UNIV_INTERN |
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ibool |
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log_online_bitmap_iterator_next( |
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/*============================*/ |
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log_bitmap_iterator_t *i); /*!<in/out: iterator */ |
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#endif |
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1085
storage/xtradb/log/log0online.c
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