Survey of Percona Toolkit - Command-line Tools for MySQL
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Survey of Percona Toolkit - Command-line Tools for MySQL Daniel Nichter - June 17, 2013
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The presentation provides you with a brief ovreview of all the essential Command-line tools used for MySQL. Percona provides an in-depth review of your database and recommends appropriate changes by performing a complete MySQL health check in which we identify inefficiencies, find problems before they occur, and ensure that your MySQL database is in the best condition.
Transcript of Survey of Percona Toolkit - Command-line Tools for MySQL
Survey of Percona Toolkit - Command-line Tools for MySQL
Daniel Nichter - June 17, 2013
Overview
• What is Percona Toolkit?• Survey of 9 tools• Summary
Company Confidential December 2010
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Overview
• What is Percona Toolkit?• Survey of 9 tools• Summary
Company Confidential December 2010
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What is Percona Toolkit?
• Collection of command-line tools for MySQL, Percona Server, and MariaDB– For a wide range of MySQL DBA tasks
• Professionally developed, supported, and maintained by Percona
• 5 years mature, thousands of tests, 20 testing environments, 2 full-time developers
• Free, open-source percona.com/software/percona-toolkit
Company Confidential December 2010
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Overview
• What is Percona Toolkit?• Survey of 9 tools• Summary
Company Confidential December 2010
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pt-archiver (1)
• “Archive rows from a MySQL table into another table or a file”– Remove useless data, safely and slowly
• Benefits:– Faster queries
– Easier backups
Company Confidential December 2010
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pt-duplicate-key-checker (2)
• “Find duplicate indexes and foreign keys on MySQL tables”– Remove useless indexes, safely
• Benefits:– Simpler tables
– Faster INSERTs
Company Confidential December 2010
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pt-mysql-summary (3)
• “Summarize MySQL information nicely”– MySQL tricorder
• Benefits:– Easily learn about a MySQL server
Company Confidential December 2010
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I detect high levels of awesome.
pt-mysql-summary (3)
• “Summarize MySQL information nicely”– MySQL tricorder
• Benefits:– Easily learn about a MySQL server
Company Confidential December 2010
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pt-summary (4)
• “Summarize system information nicely”– System tricorder
• Benefits:– Easily learn about a system
Company Confidential December 2010
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pt-online-schema-change (5)
• “ALTER tables without locking them”– Hot online ALTER TABLE
• Benefits:– Zero downtime
– Low impact
– Tries and retries
Company Confidential December 2010
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pt-query-digest (6)
• “Analyze MySQL queries from logs, processlist, and tcpdump”– Find slow queries
• Benefits:– #1 performance optimization task: find and fix slow
queries
– Track and review queries
Company Confidential December 2010
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pt-stalk (7)
• “Collect forensic data about MySQL when problems occur”– Postmortem analysis of MySQL problem
• Benefits:– Never sleeps, so you can
– Collects a lot of vital data
Company Confidential December 2010
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A warrior always verifies replication integrity
pt-table-checksum (8)
• “Verify MySQL replication integrity”– Find slaves with incorrect data
• Benefits:– Important knowledge for very little effort
– Knowing a problem exists is the first step towards fixing it
Company Confidential December 2010
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pt-table-sync (9)
• “Synchronize MySQL table data efficiently”– Fix slaves with incorrect data
• Benefits: – Easily fix problems found by pt-table-checksum
Company Confidential December 2010
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Overview
• What is Percona Toolkit?• Survey of 9 tools• Summary
Company Confidential December 2010
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Summary
1. pt-archiver: Remove useless data
2. pt-duplicate-key-checkers: Remove useless indexes
3. pt-mysql-summary: Learn about a MySQL server
4. pt-summary: Learn about a system
5. pt-online-schema-change: Hot online ALTER TABLE
6. pt-query-digest: Find slow queries
7. pt-stalk: Collect vital data for postmortem analysis
8. pt-table-checksum: Find slaves with incorrect data
9. pt-table-sync: Fix slaves with incorrect data
Company Confidential December 2010
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Thank You
percona.com/software/percona-toolkit
launchpad.net/percona-toolkit
Company Confidential December 2010
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