标签归档:performance tuning

Linux System and Performance Monitoring

Linux系统与性能监控内容:

一、Linux System and Performance Monitoring(CPU篇)
二、Linux System and Performance Monitoring(I/O篇)

三、Linux System and Performance Monitoring(Network篇)
四、Linux System and Performance Monitoring(总结篇)
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How can I improve performance with the Linux 2.6 kernel

General performance tuning tips:

-9550SX(U)/9590SE/9650SA/9690SA – Set Storsave profile to Balance (if you are using a BBU) or Performance (if you don’t have a BBU) -Make sure cache is enabled.  Data loss is possible if you aren’t using a BBU, so be sure to read the 3ware User’s Guide. -Check your NCQ setting.  In general enabling NCQ if your disk drives support NCQ will increase performance.  It is possible that disabling NCQ can increase performance.  It is best to try both NCQ enabled and disabled and measure performance to see which is higher performing for your particular application/disk drive manufacturer/model/firmware. -Make sure your unit is in optimal mode, and not degraded/initializing/verifying. 继续阅读