[Zope] Max Connections

[Germer, Carsten]

Thanks a bunch *off tweaking parameters*

>-----Original Message-----
>From: Pascal Peregrina [mailto:Pperegrina at Lastminute.com] 
>Sent: Friday, June 03, 2005 1:45 PM
>To: Germer, Carsten
>Cc: 'zope at zope.org'
>Subject: RE: [Zope] Max Connections
>
>
>cache-size is the max number of objects each connection will 
>try to keep in
>memory.
>
>You can see how it is currently performing when you go to the 
>ZMI -> Control
>Panel -> Database Management -> main -> Cache Parameters
>Each line of the table is a connection of the pool.
>The total number of active an non active objects limited by 
>the "cache-size"
>param.
>If you see, during normal operation, that most of the connections are
>reaching that limit, then you could try to increase it.
>But be careful not to run out of Memory ;)
>
>For ZEO users, there may be another parameter to change if you 
>modify the
>cache-size param, which is the cache-size param within the
><zeoclient></zeoclient> section. This param, although it has 
>the same name,
>means something completely different.
>
>But this does not apply to the below example that uses a 
>filestorage for the
>ZODB.
>
>Pascal
>
>-----Message d'origine-----
>De : zope-bounces+pperegrina=lastminute.com at zope.org
>[mailto:zope-bounces+pperegrina=lastminute.com at zope.org]De la part de
>Germer, Carsten
>Envoyé : vendredi 3 juin 2005 13:11
>À : zope at zope.org
>Objet : RE: [Zope] Max Connections
>
>
>Yay, fine, thanks!
>And while we're at it:
>What exactly does "cache-size 8000" do?
>8000 what? Objects, Kilobytes? Per connection in Pool size or over all?
>Can someone point me out to a document explaining that?
>
>/Carsten
>
>
>>-----Original Message-----
>>From: Janko Hauser [mailto:jhauser at zscout.de] 
>>Sent: Friday, June 03, 2005 1:06 PM
>>To: Germer, Carsten
>>Cc: zope at zope.org
>>Subject: Re: [Zope] Max Connections
>>
>>
>>
>>Am 03.06.2005 um 12:54 schrieb Germer, Carsten:
>>
>>> Pascal,
>>> Would you be so kind to send the <zodb>-part of your config?
>>> I Increased the zserver-threads for exactly the mentioned reasons  
>>> but I was not aware of the "connectio pool"-parameter, nor can I  
>>> find it anywhere in my zope.conf :)
>>
>>Carsten look into lib/python/ZODB/component.xml There are all 
>ZConfig  
>>directives defined and their defaults. From this I would assume the  
>>following ZODB config
>>
>><zodb_db main>
>>     # Main FileStorage database
>>     <filestorage>
>>       path $INSTANCE/var/Data.fs
>>     </filestorage>
>>     mount-point /
>>     cache-size 8000
>>     pool-size 15
>></zodb_db>
>>
>>HTH,
>>
>>__Janko
>>
>>
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