[Zope] Re: Cache flipping?

Tres Seaver tseaver at zope.com
Sun Apr 10 08:52:36 EDT 2005


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Guillaume Tamboise wrote:
> Chris Withers wrote:
> 
>>Darian V Schramm wrote:
>>
>>>I'm getting many of these in my event.log
>>>
>>>2005-03-15T10:17:56 INFO(0) ZEC:1-None-1 flipping cache files.  new 
>>>current = 1
>>
>>This is nothing to worry abotu from a crashing point of view. Worry 
>>abotu it when you want to improve performance once you have a happilly 
>>running server.
> 
> 
> Let's say that I have a happily running server, that I get quite a lot of 
> "flipping cache files" with a cache-size at 6000 in my Zope instances, and 
> that I want to improve performances.
> What should I do?

Bump up the size of your ZEO client cache until the flips are only
infrequent.

Note that the value for the optoin is a 'byte-size', with a default of
'20MB';  6000 is not likely an improvement over the default. ;)


Tres.
- --
===============================================================
Tres Seaver                                tseaver at zope.com
Zope Corporation      "Zope Dealers"       http://www.zope.com
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