
Performance tuning
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Figure 5.1. ZenTune
To run ZenTune, click Update (located at the bottom left of the page).
ZenTune returns information about current and optimal values for several configuration parameters. Click + to the left
of each item to display recommendations, if any, for configuration changes.
Figure 5.2. ZenTune Issue Detail
To refresh the view, click Refresh. (This does not run ZenTune again.)
To filter the list of displayed items, select Not Acknowledged, Acknowledged, or both in the Acknowledge column.
To acknowledge one or more items, select the option in the Acknowledge column.
You also can filter the display by severity, host, and description.
5.4. Memory caching
Zenoss recommends that you set the CACHESIZE value in/etc/sysconfig/memcached to a minimum of 1024, and
ideally double the size of the cache-local-mb value in zope.conf.
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