Performance Troubleshooting

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Revision as of 13:30, 15 March 2016 by MCoyne (talk | contribs)

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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