statstics for pools of memcached servers?

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liamr
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Joined: Thu Oct 25, 2007 9:29 am

statstics for pools of memcached servers?

Post by liamr »

We run a pool of two memcache servers that each have two instances of memcached running on different ports (11211 and 11212) - to get around the 2gb process limit on 32bit linux.

I've tried both the dealnews and teMysql stuff, and while they do provide useful information, I'm having a hard time getting them to work with stuff run on multiple ports. I copied the data input method so, I've got one that points to 11211 and one that points to 11212. I've made copies of the data templates so I've to a set that points at 11211 and a separate set that points at 11212. But invariably, when I go to create new graphs, I end up with multiple RRD files that all have the same data in them usually pointing at the default memcache port.

I'm a cacti noob, so, admittedly, I'm probably not being thorough enough about how I'm doing things.

Does anyone have a good set up templates for graphing data from pools of memcache servers? Or servers where multiple instances memcache are run on multiple ports?

Liam
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gandalf
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Post by gandalf »

Please post the modified Data Input Method script and a screenshot of cacti's definitions of that Data Input Method
Reinhard
liamr
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Joined: Thu Oct 25, 2007 9:29 am

Post by liamr »

The only change I made to the data collection script was the ability to accept another argument for the port number.
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cacti-memcache.gif
cacti-memcache.gif (93.71 KiB) Viewed 1672 times
dumpMemcachedStats.php.gz
the memcache stats collection script from teMySQL
(439 Bytes) Downloaded 152 times
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gandalf
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Post by gandalf »

After changing the Data Input Method definition, did you run "rebuild_poller_cache.php"?
Reinhard
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