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How to find expensive I/O process for I/O bottol neck

To find the most expensive process which causing the I/O bottol neck :

1. iotop ( http://guichaz.free.fr/iotop/)
Iotop requires Python ≥ 2.5 and a Linux kernel ≥ 2.6.20 with the TASK_DELAY_ACCT and TASK_IO_ACCOUNTING options enabled.
2. idstat from sysstat packages

But Iotop provides more user friendly output then idstat.

This entry was posted on Tuesday, August 11th, 2009 at 2:17 pm and is filed under How_to. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

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