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MySQLTuner 下载地址:http://github.com/rackerhacker/MySQLTuner-perl MySQLTuner 使用方法: Downloading and using MySQLTuner is actually a very simple process: wget mysqltuner.pl perl mysqltuner.pl If you’d rather not invoke perl every time, just make it executable: chmod u+x mysqltuner.pl ./mysqltuner.pl » La
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mysql性能优化脚本性能优化脚本mysqltuner.pl使用介绍使用介绍
MySQLTuner 下载地址:http://github.com/rackerhacker/MySQLTuner-perl
MySQLTuner 使用方法:
Downloading and using MySQLTuner is actually a very simple process:
wget mysqltuner.pl
perl mysqltuner.pl
If you’d rather not invoke perl every time, just make it executable:
chmod u+x mysqltuner.pl
./mysqltuner.pl
» Latest development version
If you want to get the bleeding edge commits, you can check out the latest code with git:
git clone git://github.com/rackerhacker/MySQLTuner-perl.git
看看我的运行结果
代码如下:
>> MySQLTuner 1.1.1 – Major Hayden
>> Bug reports, feature requests, and downloads at http://mysqltuner.com/
>> Run with ‘–help’ for additional options and output filtering
——– General Statistics ————————————————–
[–] Skipped version check for MySQLTuner script
[OK] Currently running supported MySQL version 5.1.43-log
[OK] Operating on 64-bit architecture
——– Storage Engine Statistics ——————————————-
[–] Status: -Archive -BDB -Federated -InnoDB -ISAM -NDBCluster
[–] Data in MyISAM tables: 889M (Tables: 479)
[–] Data in MEMORY tables: 1M (Tables: 4)
[!!] Total fragmented tables: 29
——– Security Recommendations ——————————————-
[OK] All database users have passwords assigned
——– Performance Metrics ————————————————-
[–] Up for: 12h 55m 27s (4M q [105.230 qps], 295K conn, TX: 9B, RX: 546M)
[–] Reads / Writes: 82% / 18%
[–] Total buffers: 432.0M global + 6.3M per thread (500 max threads)
[!!] Maximum possible memory usage: 3.5G (175% of installed RAM)
[OK] Slow queries: 0% (48K/4M)
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