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masa_matya id:masa_matya

innodbã«é–¢ã™ã‚‹masa_matyaã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (27)

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SystemTapã§MySQL 5.5ã®Disk I/Oã‚’åˆ†æžã™ã‚‹ - SH2ã®æ—¥è¨˜
2010å¹´1æœˆã®è¨˜äº‹SystemTapã§MySQLã®Disk I/Oã‚’åˆ†æžã™ã‚‹ã®ç¶šãã§ã™ã€‚ä»¥å‰ä½œæˆã—ãŸSystemTapã‚¹ã‚¯ãƒªãƒ—ãƒˆã¯ã€å®Ÿã¯MySQL 5.5ã®Disk I/Oã‚’åˆ†æžã™ã‚‹ã“ã¨ãŒã§ãã¾ã›ã‚“ã§ã—ãŸã€‚ã¨ã„ã†ã®ã‚‚ã€MySQL 5.5ã‹ã‚‰InnoDBãŒéžåŒæœŸI/Oã‚’è¡Œã†ã‚ˆã†ã«ãªã£ãŸã®ã§ã™ãŒã€ä»¥å‰ã®ã‚¹ã‚¯ãƒªãƒ—ãƒˆã¯éžåŒæœŸI/Oã«å¯¾å¿œã—ã¦ã„ãªã‹ã£ãŸãŸã‚ã§ã™ã€‚æœ¬æ—¥ã¯MySQL 5.5ã«ãŠã‘ã‚‹InnoDBã®éžåŒæœŸI/Oã«ã¤ã„ã¦ã€ç¢ºèªã—ã¦ã„ããŸã„ã¨æ€ã„ã¾ã™ã€‚ éžåŒæœŸI/Oã¨ã¯ éžåŒæœŸI/Oã¨ã¯ã€I/Oå‡¦ç†ã‚’ãƒ–ãƒãƒƒã‚¯ã•ã‚Œã‚‹ã“ã¨ãªã—ã«è¡Œã†æ–¹å¼ã®ã“ã¨ã§ã™ã€‚é€šå¸¸ã®I/Oå‡¦ç†ã¯ãã‚ŒãŒå®Œäº†ã™ã‚‹ã¾ã§å¾…ãŸã•ã‚Œã¦ã—ã¾ã†ã®ã§ã™ãŒã€éžåŒæœŸI/Oã‚’ç”¨ã„ã‚‹ã“ã¨ã§I/Oå‡¦ç†ã®å®Œäº†ã‚’å¾…ã¤ã“ã¨ãªã—ã«ä»–ã®å‡¦ç†ã‚’é€²ã‚ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ä»¥ä¸‹ã®ã‚¦ã‚§ãƒ–ã‚µã‚¤ãƒˆã§ã¨ã¦ã‚‚è©³ã—ãè§£èª¬ã•ã‚Œã¦ã„ã¾ã™ã€‚ ãƒãƒƒãƒ•ã‚¡ã‚ãƒ£ãƒƒã‚·ãƒ¥ã¨AIOï¼ˆ1ï¼‰ - O'Reil
masa_matya 2011/11/22
mysql

innodb

*tuning
ãƒªãƒ³ã‚¯
Real-Life Use Case for "Barracuda" InnoDB File Format
In one of his recent posts Vadim already gave some information about possible benefits from using new InnoDB file format but in this post Iâ€™d like to share some real-life example how compression in InnoDB plugin could be useful for large warehousing tasks. One of our clients had really many probl ems with one of his servers. This is pretty powerful server (Intel Xeon E5430 / 8Gb RAM / BBU-enabled R
masa_matya 2011/08/04
innodbã®row_formatã‚’å¤‰ãˆãŸã‚‰ã„ã„æ„Ÿã˜ã«ãªã£ãŸã‚ˆã£ã¦è©±ã€‚compressedã®ãƒ™ãƒ³ãƒãƒžãƒ¼ã‚¯çµæžœã¯ã€sh2ã•ã‚“ã®è¨˜äº‹ã‚’è¦‹ã‚‹ã®ãŒè‰¯ã„ã€‚bug fixè¦‹ã¦ã‚‹ã¨ã¡ã‚‰ã»ã‚‰å‡ºã¦ãã‚‹ã‹ã‚‰ä½¿ã†ã‹æ‚©ã¿ã©ã“ã‚

mysql

innodb
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MySQL backups with Percona's XtraBackup - Pet Pixels
masa_matya 2011/08/02
innodb

backup
ãƒªãƒ³ã‚¯
Percona Xtra Backupã«ã‚ˆã‚‹InnoDBãƒ›ãƒƒãƒˆãƒãƒƒã‚¯ã‚¢ãƒƒãƒ— - æ ªå¼ä¼šç¤¾ã€€DT ã‚·ã‚¹ãƒ†ãƒ é–‹ç™º - æ ªå¼ä¼šç¤¾ DT
InnoDBã®ãƒ›ãƒƒãƒˆãƒãƒƒã‚¯ã‚¢ãƒƒãƒ—ãŒå¯èƒ½ãªãƒãƒƒã‚¯ã‚¢ãƒƒãƒ—ãƒ„ãƒ¼ãƒ«ã¨ã—ã¦ã¯ã€InnoDB Hot Backup ãŒæœ‰åã§ã™ãŒã€ ç„¡å„Ÿã§åˆ©ç”¨å‡ºæ¥ã‚‹ãƒ„ãƒ¼ãƒ«ã«ã€Percona Xtra Backup ãŒã‚ã‚Šã¾ã™ã€‚ Percona Xtra Backup ã®ä¸»ãªç‰¹å¾´ã¯ä»¥ä¸‹ã®é€šã‚Šã§ã™ã€‚ ãƒ»InnoDBã®ãƒ›ãƒƒãƒˆãƒãƒƒã‚¯ã‚¢ãƒƒãƒ— ãƒ»ãƒãƒƒã‚¯ã‚¢ãƒƒãƒ—ã—ãŸãƒ•ã‚¡ã‚¤ãƒ«ã‚’tarå½¢å¼ã§åœ§ç¸®ã—ã€ãƒªãƒ¢ãƒ¼ãƒˆãƒ›ã‚¹ãƒˆã¸è»¢é€ ãƒ»æŒ‡å®šã—ãŸãƒ†ãƒ¼ãƒ–ãƒ«ã®ã¿ãƒãƒƒã‚¯ã‚¢ãƒƒãƒ— ãƒ»å·®åˆ†ãƒãƒƒã‚¯ã‚¢ãƒƒãƒ—ã¯ã€ä»¥å‰ã®ãƒãƒƒã‚¯ã‚¢ãƒƒãƒ—ã¨ãƒžãƒ¼ã‚¸ã™ã‚‹ ä»Šå›žã€ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã®DBãƒãƒƒã‚¯ã‚¢ãƒƒãƒ—ãƒ„ãƒ¼ãƒ«ã¨ã—ã¦ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã™ã‚‹ã“ã¨ã«ã—ã¾ã—ãŸã€‚ ä»¥ä¸‹ãŒã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ãƒ¡ãƒ¢ã§ã™ã€‚ ç’°å¢ƒ ãƒ»CentOS5.5 i386 ãƒ»mysql5.1 å‰ææ¡ä»¶ mysql_user: mysql mysql_root_dir: /usr/local/mysql mysql_data_dir: /usr/local
masa_matya 2011/08/01
innodb

backup
ãƒªãƒ³ã‚¯
Percona Xtrabackup 1.6.2 released!
masa_matya 2011/07/30
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mysql

backup

innodb
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https://blogs.oracle.com/MySQL/entry/comparing_innodb_to_myisam_performance
masa_matya 2011/07/22
inndob_flush_log_at_trx_commit=0 or 2ã®å ´åˆã«OS Crashãªã©ãŒã‚ã£ã¦ã‚‚ã€Crash recoveryè‡ªä½“ã«ã¯å½±éŸ¿ãŒç„¡ãMyISAMã‚ˆã‚Šå®‰å…¨

mysql

innodb
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InnoDBã®ãƒªã‚«ãƒãƒªæ©Ÿèƒ½ã‚’æ¤œè¨¼ã—ã¦ã¿ã‚‹ at nkjmkzk.net
Oracle, Open Source, Privateinnodbã¯ã‚¯ãƒ©ãƒƒã‚·ãƒ¥æ™‚ã®ãƒªã‚«ãƒãƒªæ©Ÿèƒ½ã‚’å®Ÿè£…ã—ã¦ãŠã‚Šã€mysqldãŒã‚¯ãƒ©ãƒƒã‚·ãƒ¥ã—ãŸå ´åˆã‚„OSè‡ªä½“ãŒã‚¯ãƒ©ãƒƒã‚·ãƒ¥ã—ãŸå ´åˆã«ã‚‚ã—ã‚³ãƒŸãƒƒãƒˆã•ã‚ŒãŸãƒ‡ãƒ¼ã‚¿ãŒãƒ†ãƒ¼ãƒ–ãƒ«ã‹ã‚‰å¤±ã‚ã‚Œã¦ã„ã¦ã‚‚å†èµ·å‹•æ™‚ã«ib_logfileã‹ã‚‰ã‚³ãƒŸãƒƒãƒˆã•ã‚ŒãŸãƒˆãƒ©ãƒ³ã‚¶ã‚¯ã‚·ãƒ§ãƒ³ã‚’èªã¿å‡ºã—ã€ãã‚ŒãŒå®Ÿãƒ‡ãƒ¼ã‚¿ï¼ˆãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã ã¨ibdataï¼‰ã«åæ˜ ã•ã‚Œã¦ã„ãªã‘ã‚Œã°åæ˜ ã•ã›ã‚‹ã¨ã„ã†å‡¦ç†ãŒèµ°ã‚Šã¾ã™ã€‚MySQLã¯innodb_flush_log_at_trx_commitã®å€¤ã«ã‚ˆã‚Šã€1ç§’æ¯Žã€ã¾ãŸã¯ã‚³ãƒŸãƒƒãƒˆæ¯Žã«ãƒˆãƒ©ãƒ³ã‚¶ã‚¯ã‚·ãƒ§ãƒ³ã‚’ãƒã‚°ãƒ•ã‚¡ã‚¤ãƒ«ã«ãƒ•ãƒ©ãƒƒã‚·ãƒ¥ã—ã¾ã™ã€‚ ä»Šå›žã¯ä»¥ä¸‹ï¼’ç‚¹ã«ã¤ã„ã¦æ¤œè¨¼ã‚’è¡Œã„ã¾ã—ãŸã€‚ ï¼‘ï¼Žã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆå´ã‹ã‚‰ç™ºè¡Œã—ãŸã‚¯ã‚¨ãƒªãŒã‚¯ãƒ©ãƒƒã‚·ãƒ¥å¾Œã«ã©ã“ã¾ã§å¾©æ—§ã•ã‚Œã¦ã„ã‚‹ã‹ ï¼’ï¼Žãƒªã‚«ãƒãƒªã«ã‹ã‹ã‚‹æ™‚é–“ã®æ¸¬å®šï¼ˆãƒã‚°ã®ãƒ•ã‚¡ã‚¤ãƒ«ã‚µã‚¤ã‚ºã¨ã®å› æžœé–¢ä¿‚ã«ã‚‚è¨€åŠï¼‰ ï¼‘ã®æ¤œè¨¼ã«ã¤ã„ã¦ã¯innodb_fl
masa_matya 2011/07/21
flush_log_at_trx_commitã‚’0,1ã«ã—ãŸæ™‚ã®æ¤œè¨¼ã€‚ã‚„ã¯ã‚Š0ã«ã—ãŸæ™‚ã¯ï¼‘ç§’é–“ã«ç™ºç”Ÿã—ãŸãƒˆãƒ©ãƒ³ã‚¶ã‚¯ã‚·ãƒ§ãƒ³æ•°åˆ†ã®ãƒ‡ãƒ¼ã‚¿ãŒå¤±ã‚ã‚Œã‚‹ã€‚ãƒªã‚«ãƒãƒªæ™‚é–“ã®é•ã„ã¯0 or 1 ã«ã‚ˆã‚‹ã‚‚ã®ã¨ã„ã†ã‚ˆã‚Šã€ãƒªã‚«ãƒãƒªå¯¾è±¡ã¨ãªã‚‹ãƒˆãƒ©ãƒ³ã‚¶ã‚¯ã‚·ãƒ§ãƒ³æ•°ã«ã‚ˆã‚‹ã‚‚

mysql

innodb
ãƒªãƒ³ã‚¯
How to load large files safely into InnoDB with LOAD DATA INFILE
Recently I had a customer ask me about loading two huge files into InnoDB with LOAD DATA INFILE. The goal was to load this data on many servers without putting it into the binary log. While this is generally a fast way to load data (especially if you disable unique key checks and foreign key checks), I recommended against this. There are several probl ems with the very large transaction caused by t
masa_matya 2011/04/21
InnoDBã§å¤§å®¹é‡ã®ãƒ•ã‚¡ã‚¤ãƒ«ã‚’LOADã™ã‚‹æ™‚ã€UNDOãƒã‚°ã®ç”Ÿæˆãªã©ã«ã‚ˆã‚ŠI/Oæ€§èƒ½ãŒåŠ£åŒ–ã€‚å¤§å®¹é‡ã‚’ä¸€åº¦ã«COMMTã›ãšã«å°ã•ãåˆ†ã‘ãŸãƒ•ã‚¡ã‚¤ãƒ«ã§å¤§é‡ã®COMMITã‚’ã™ã‚‹ã“ã¨ã§ãã‚Œã‚’å›žé¿

mysql

innodb
ãƒªãƒ³ã‚¯
http://onaxer.com/blog/blog/2010/07/29/innodb-the-innodb-memory-heap-is-disabled/
masa_matya 2011/03/13
pluginã‚’èµ·å‹•ã—ãŸæ™‚ã«å‡ºã¦ãã‚‹" The InnoDB memory heap is disabled "ãƒ¡ãƒƒã‚»ãƒ¼ã‚¸ã«ã¤ã„ã¦ã€‚innodb_use_sys_mallocãŒONã®æ™‚è¡¨ç¤ºã•ã‚Œã‚‹ãŒã€å•é¡Œãªã„ã€‚

mysql

innodb
ãƒªãƒ³ã‚¯
InnoDBã®ãƒ•ã‚¡ã‚¤ãƒ«ã‚µã‚¤ã‚ºç®¡ç†
æœ€è¿‘ã€InnoDBã®ãƒ‡ãƒ¼ã‚¿é ˜åŸŸï¼ˆãƒ†ãƒ¼ãƒ–ãƒ«ã‚¹ãƒšãƒ¼ã‚¹ï¼‰ãŒæˆé•·ã—ã¦ã—ã¾ã£ã¦å…ƒã«æˆ»ã™ã“ã¨ãŒå‡ºæ¥ãªã„å ´åˆã®å¯¾å‡¦ã«ã¤ã„ã¦ã‚ˆãè³ªå•ã•ã‚Œã‚‹ã®ã§ã€ä»Šæ—¥ã¯ãƒ†ãƒ¼ãƒ–ãƒ«ã‚¹ãƒšãƒ¼ã‚¹ãŒæˆé•·ã™ã‚‹ã“ã¨ã¸ã®å¯¾ç–ã«ã¤ã„ã¦èª¬æ˜Žã—ã‚ˆã†ã€‚ï¼ˆã“ã“ã®ã¨ã“ã‚MySQLãƒã‚¿ãŒç¶šã„ã¦ã„ã‚‹ãŒã€Planet MySQLæ—¥æœ¬èªžç‰ˆã‚’æ„è˜ã—ã¦ã„ã‚‹ã‚ã‘ã§ã¯ãªã„ã®ã§ã‚ã—ã‹ã‚‰ãšï¼ï¼ï¼œï¼œãƒ›ãƒ³ãƒˆã‹ã‚ˆï¼Ÿï¼ï¼žä¿ºï¼‰ InnoDBã®ãƒ†ãƒ¼ãƒ–ãƒ«ã‚¹ãƒšãƒ¼ã‚¹ãŒæˆé•·ã—ã¦ã—ã¾ã†ã®ã¯ã€ã‚ºãƒãƒªè‡ªå‹•æ‹¡å¼µã—ã¦ã„ã‚‹ã‹ã‚‰ã§ã‚ã‚‹ã€‚ãƒ†ãƒ¼ãƒ–ãƒ«ã‚¹ãƒšãƒ¼ã‚¹ã«å¯¾ã—ã¦ä½•ã‚‚ã‚ªãƒ—ã‚·ãƒ§ãƒ³ã‚’æŒ‡å®šã—ãªã„ã¨ã€ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã§ã¯æ¬¡ã®ã‚ˆã†ãªè¨å®šã¨åŒã˜ãƒ†ãƒ¼ãƒ–ãƒ«ã‚¹ãƒšãƒ¼ã‚¹ãŒä½œæˆã•ã‚Œã‚‹ã€‚ [mysqld] innodb_data_file_path=ibdata1:10M:autoextend ã‚µã‚¤ã‚ºã¯10MBã—ã‹ãªã„ãŒã€è‡ªå‹•æ‹¡å¼µã™ã‚‹ã®ã§ã‚ã‚‹ã€‚è‡ªå‹•æ‹¡å¼µã—ã¦ã—ã¾ã†ã¨ä½•ãŒå•é¡Œãªã®ã‹ã¨ã„ã†ã¨ã€ãƒ‡ãƒ¼ã‚¿ãŒå¢—ãˆãŸå ´åˆã«ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã®ç©ºãé ˜åŸŸã‚’ä½¿ã„åˆ‡
masa_matya 2011/03/11
innodb_file_per_tableã‚’æŒ‡å®šã™ã‚Œã°ãƒ†ãƒ¼ãƒ–ãƒ«ã”ã¨ã«ãƒ†ãƒ¼ãƒ–ãƒ«ã‚¹ãƒšãƒ¼ã‚¹ãŒä½œæˆã•ã‚Œã‚‹ãŸã‚ã€é‹ç”¨ã—ã‚„ã™ããªã‚‹ã€‚ãŸã ã—ã€ã“ã®å ´åˆã§ã‚‚å…±æœ‰ãƒ†ãƒ¼ãƒ–ãƒ«ã‚¹ãƒšãƒ¼ã‚¹ã¯ä½œæˆã•ã‚Œã‚‹ã€‚ã“ã‚Œã¯æ¶ˆã—ã¦ã¯ãªã‚‰ãªã„ã€‚

mysql

innodb
ãƒªãƒ³ã‚¯
MySQL :: MySQL 8.4 Reference Manual :: 17.14 InnoDB Startup Options and System Variables
Enabling Automatic InnoDB Configuration for a Dedicated MySQL Server
masa_matya 2011/03/11
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mysql

innodb

*ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°

*document

clip
ãƒªãƒ³ã‚¯
MySQL innodb_flush_method = O_DIRECTã®æ¤œè¨Ž - SH2ã®æ—¥è¨˜
MySQL InnoDBã®ãƒ‘ãƒ©ãƒ¡ãƒ¼ã‚¿ã§innodb_flush_methodã¨ã„ã†ã‚‚ã®ãŒã‚ã‚Šã¾ã™ã€‚ã“ã‚Œã¯UNIX/Linuxã«ãŠã„ã¦ãƒ‡ãƒ¼ã‚¿ãƒ•ã‚¡ã‚¤ãƒ«ã€ãƒã‚°ãƒ•ã‚¡ã‚¤ãƒ«ã®èªã¿æ›¸ãæ–¹å¼ã‚’æŒ‡å®šã™ã‚‹ãŸã‚ã®ã‚‚ã®ã§ã€ãƒžãƒ‹ãƒ¥ã‚¢ãƒ«ã®13.6.3. InnoDB Startup Options and System Variablesã«ã‚ˆã‚‹ã¨ä»¥ä¸‹ã®3ç¨®é¡žã®è¨å®šãŒå¯èƒ½ã¨ã•ã‚Œã¦ã„ã¾ã™ã€‚ ç„¡æŒ‡å®š(fdatasync)ï¼šãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã®è¨å®šã§ã™ã€‚ç‰¹åˆ¥ãªãƒ•ãƒ©ã‚°ãªã—ã§ãƒ•ã‚¡ã‚¤ãƒ«ã‚’ã‚ªãƒ¼ãƒ—ãƒ³ã—ã€æ›¸ãè¾¼ã¿æ™‚ã«fsync()ã‚’è¡Œã„ã¾ã™ã€‚ O_DSYNCï¼šãƒ‡ãƒ¼ã‚¿ãƒ•ã‚¡ã‚¤ãƒ«ã«ã¤ã„ã¦ã¯fdatasyncã¨åŒã˜ã§ã™ã€‚ãƒã‚°ãƒ•ã‚¡ã‚¤ãƒ«ã«ã¤ã„ã¦O_SYNCãƒ•ãƒ©ã‚°ã‚’ã¤ã‘ã¦ãƒ•ã‚¡ã‚¤ãƒ«ã‚’ã‚ªãƒ¼ãƒ—ãƒ³ã—ã¾ã™ã€‚ O_DIRECTï¼šãƒ‡ãƒ¼ã‚¿ãƒ•ã‚¡ã‚¤ãƒ«ã«ã¤ã„ã¦O_DIRECTãƒ•ãƒ©ã‚°ã‚’ã¤ã‘ã¦ãƒ•ã‚¡ã‚¤ãƒ«ã‚’ã‚ªãƒ¼ãƒ—ãƒ³ã—ã¾ã™ã€‚ãƒã‚°ãƒ•ã‚¡ã‚¤ãƒ«ã«ã¤ã„ã¦ã¯fdatasyncã¨åŒã˜ã§ã™ã€‚ ä»Šå›žã¯ã“ã®ãƒ‘
masa_matya 2011/03/11
innodb_flush_methodã«é–¢ã™ã‚‹è€ƒå¯Ÿã€‚O_DIRECTã«ã™ã‚‹ã®ã¯ã€MySQLã®ãƒ¡ãƒ¢ãƒªé‡ã‚’æ„å›³çš„ã«åˆ¶é™ã—ãŸã„ã¨ãã€‚sh2ã•ã‚“ã®ãŠã™ã™ã‚ã¯O_DIRECTåˆ©ç”¨&innodb_buffer_pool_sizeãŒç‰©ç†ãƒ¡ãƒ¢ãƒªã®åŠåˆ†ä½ã€‚ã‚‚ã¡ã‚ã‚“ç’°å¢ƒãƒ»çŠ¶æ³ã«ã‚ˆã£ã¦å¤‰æ›´

mysql

innodb

*ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°

clip
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The Art of Workï¼šMySQL InnoDB Pluginã®ãƒ‡ãƒ¼ã‚¿åœ§ç¸®æ©Ÿèƒ½ æ€§èƒ½ç·¨ - SH2ã®æ—¥è¨˜
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