Difference between revisions of "Performance Troubleshooting"

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===Under development:===
 
===Under development:===
*md-mx-ctrl load
+
This article is intended as a basic starting point for identifying performance issues and their possible sources. Unfortunately, because of the number of potential sources of performance issues and the complexity of their interaction with both hardware and software it is not possible to provide a comprehensive step-by-step recipe for all possible eventualities.
 +
 
 +
* md-mx-ctrl load
 
*md-mx-ctrl busyslaves
 
*md-mx-ctrl busyslaves
 
*top -b -n 1
 
*top -b -n 1

Revision as of 12:30, 15 March 2016

Under development:

This article is intended as a basic starting point for identifying performance issues and their possible sources. Unfortunately, because of the number of potential sources of performance issues and the complexity of their interaction with both hardware and software it is not possible to provide a comprehensive step-by-step recipe for all possible eventualities.

  • md-mx-ctrl load
  • md-mx-ctrl busyslaves
  • top -b -n 1
  • iostat 1 -x 1
  • free
  • time host www.quux.org
  • tail -200 /var/log/mail-daily/current.log