On 10/12/2010 05:14 PM, Chris Withers wrote: > Hi, > > After recently moving a medium-sized customer project from Zope 2.9.8 to > Zope 2.12.7 sitting on ZODB 3.9.6 by way of zeoraid b7, I'm now seeing > some fairly weird and bad behaviour that we didn't have before. > > So, everything was fine after the migration. However, today I turned on > a batch job which pumps content into the storage. > > This appears to be *much* slower than on Zope 2.9.8 (with its included > ZODB release) and also appears to cause the web clients to be slow > enough when its running that they start dropping out of the load > balancer pool. > > How can I debug what's going on? Is there any way to get diagnostics out > of a 3.9.6 zeo server to find out what it's up to?
I think the trace log contains timing information. There's also the monitor. Haven't had to do performance tuning within the ZEO server so far. Most times I was basically limited by either network or disk. > cheers, > > Chris > > PS: If it helps, it looks like the zeoraid process is using an order of > magnitude more cpu than the zeo process, according to top, but even > that's only 30% of the CPU load... Has ZEORaid been in place before the update, too? Christian -- Christian Theune · c...@gocept.com gocept gmbh & co. kg · forsterstraße 29 · 06112 halle (saale) · germany http://gocept.com · tel +49 345 1229889 0 · fax +49 345 1229889 1 Zope and Plone consulting and development _______________________________________________ For more information about ZODB, see the ZODB Wiki: http://www.zope.org/Wikis/ZODB/ ZODB-Dev mailing list - ZODB-Dev@zope.org https://mail.zope.org/mailman/listinfo/zodb-dev