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Russ Lavoy wrote:
Basically, when I have the RSS feeds enabled the
frontend servers get
overly utilized.
We have four frontend servers, one DB server and one image server all
running RHEL 5. The frontend servers are running APC 3.0.18, Apache
2.2 PHP 5.1.6 and we also utilize a memcached cluster of four.
[snip]
First, install our wikidiff2 PHP extension -- this will speed up diffing
by about a bajillion, which should help enormously for the feeds.
Second, consider adjusting $wgFeedCacheTimeout and see if a larger value
helps (the default is to cache feeds for 60 seconds.)
- -- brion
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