Optimizing MySQL Configuration

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Agenda • MySQL Configuration Tuning Basics • Tools to Configure MySQL • Looking at Most Important Options www.percona.com
Things to know about MySQL configuration • Default configuration is poor – MySQL does not scale it with server size • Understand what you're changing – Google Copy/Paste without thinking can be bad • Avoid Obsessive Tuning Disorder – Setting 10 settings will give 95% of possible performance in 95% cases • Beware of “Sample Configs” In MySQL distributions – They are pretty outdated – 2GB of memory is “huge” these days ? www.percona.com
Page 1: Optimizing MySQL Configuration Pete
Page 5 and 6: Know Scope and Unit • sort_buffer
Page 7 and 8: Avoid Basic Mistakes • Setting va
Page 9 and 10: Do not let MySQL Swap • Allocatin
Page 11 and 12: Automated Configuration Tuning •
Page 13 and 14: Mysqltuner (2) -------- Performance
Page 15 and 16: pt-variable-advisor • # WARN inno
Page 17 and 18: Tools.percona.com www.percona.com
Page 19 and 20: Agenda • MySQL Configuration Tuni
Page 21 and 22: Getting Status Variables • We ref
Page 23 and 24: General Options • open_files_limi
Page 25 and 26: General Options • skip_name_resol
Page 27 and 28: General Options • tmp_table_size
Page 29 and 30: General Options • read_rnd_buffer
Page 31 and 32: MyISAM Options • low_priority_upd
Page 33 and 34: Innodb IO Options • innodb_flush_
Page 35 and 36: Other Innodb Options • innodb_log
Page 37 and 38: Other Innodb Options • innodb_fil
Page 39 and 40: Visibility Options • low_warnings
Page 41 and 42: Resources ● High Performance MySQ
Page 43: MySQL Conference & Expo April 10-12

Optimizing MySQL Configuration

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