VMware PACKAGE MANAGER 1.1 Bedienungsanleitung PDF herunterladen (Seite 55)

Performance Tuning

Figure 6.1. 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 6.2. 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.

6.4. 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.

Run memcached as close to the master as possible, as zopectl and zeneventd are its biggest users. In very

large database scenarios (for example, 500,000 items in the global catalog), run other instances of memcached

on the hubs, and update global.conf on those boxes to point there instead of to the master.

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VMware PACKAGE MANAGER 1.1 Bedienungsanleitung Seite 55