[Zope] Re: compile time optimizations for python
Allen Schmidt Sr.
aschmidt at fredericksburg.com
Sat Jan 19 21:53:27 EST 2008
So would this also apply to older zopes? Like 2.7.5?? Exactly where is
that changed and in what increments are safe to increase it by?
Tres Seaver wrote:
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> Suresh V. wrote:
>>Tres Seaver wrote:
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>>> - Tune the ZEO disk cache size (the warning sign is seen lots of
>>> "ZEO cache flip" entries in the event log).
>>Can you explain this some more?
>>1. Do we increase the cache size when we see these ZEO cache flips?
> Yes In general, keep increasing it until they are no longer "noticeable".
>>2. What is a "good" rate for these cache flips?
> I don't have a firm sense, but no oftener than every hour, say: when
> the cache flips, you lose half the working set (the "oldest" half).
> - --
> Tres Seaver +1 540-429-0999 tseaver at palladion.com
> Palladion Software "Excellence by Design" http://palladion.com
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