pt-mysql-summary - Percona

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Tuesday, December 4, 2012 pt-stalk http://www.percona.com/doc/percona-toolkit/pt-stalk.html www.percona.com
• Wait for a problem to occur, then gather forensic data about MySQL and the system. • Good when you want to diagnose a problem, but you don’t know when it happens. Tuesday, December 4, 2012 pt-stalk www.percona.com
Page 1 and 2: Survey of Percona Toolkit: Command-
Page 3 and 4: Tuesday, December 4, 2012 Installin
Page 5 and 6: •pt-summary Top Nine Popular Tool
Page 7 and 8: pt-summary • Summarize system inf
Page 9 and 10: pt-summary # Memory ###############
Page 11 and 12: pt-summary # Network Config #######
Page 13 and 14: Tuesday, December 4, 2012 pt-mysql-
Page 15 and 16: pt-mysql-summary $ pt-mysql-summary
Page 17 and 18: pt-mysql-summary # Status Counters
Page 19 and 20: pt-mysql-summary # Schema #########
Page 21 and 22: pt-mysql-summary # InnoDB #########
Page 23 and 24: pt-mysql-summary # MyISAM #########
Page 25: pt-mysql-summary # Configuration Fi
Page 29 and 30: $ pt-stalk --no-stalk Ad Hoc Usage
Page 31 and 32: Function, Variable & Threshold •
Page 33 and 34: Function, Variable & Threshold •
Page 35 and 36: Example: Watch Processlist • Watc
Page 37 and 38: Tuesday, December 4, 2012 pt-archiv
Page 39 and 40: Move Data • Copy data from one My
Page 41 and 42: Purge Data • Delete orphan rows (
Page 43 and 44: Tuesday, December 4, 2012 pt-query-
Page 45 and 46: Report Output (1) $ pt-query-digest
Page 47 and 48: Report Output (3) # Query 1: 6.77 Q
Page 49 and 50: Query Review • Save each query ty
Page 51 and 52: Cautions • Processing large logs
Page 53 and 54: pt-duplicate-key-checker • Find d
Page 55 and 56: pt-duplicate-key-checker # Db.syste
Page 57 and 58: Data Drift • MySQL slaves may not
Page 59 and 60: Tuesday, December 4, 2012 master Vi
Page 67 and 68: Let’s Break It • Delete 5% of d
Page 69 and 70: Check the Slave(s) mysql> SELECT db
Page 71 and 72: pt-table-sync • Synchronize MySQL
Page 73 and 74: Method 2: Sync Slave to Master $ pt
Page 75 and 76: Method 3: Sync Two Hosts •Now let
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pt-online-schema-change • Perform
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How pt-osc Does ALTER TABLE • Loc
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Tuesday, December 4, 2012 Visualize
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Tuesday, December 4, 2012 cast_info
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Example $ pt-online-schema-change -
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Limitations • You can’t alter a
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Cautions • Execute pt-online-sche
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Resources • Product site: http://
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pt-align pt-config-diff There Are M
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diamond platinum exhibitors and the
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Tuesday, December 4, 2012 License a
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pt-mysql-summary - Percona

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