Hi, This reminds me something I noticed when we migrated from 2.7 to 2.8 Our issue was a very big PersistentMapping based tree of objects, which was involved in a lot of RW and RO transactions from different Zope instances (we use ZEO of course). There was no miracle to solve the issue; we had to change the structure to BTree.
Pascal -----Message d'origine----- De : [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] De la part de Chris Withers Envoyé : mardi 20 juin 2006 08:31 À : Tim Peters Cc : zodb-dev Objet : Re: [ZODB-Dev] ZEO LoadEx? Tim Peters wrote: > Sure, but no way to guess from here. The only thing I can really > guess from the above is that your client is going to the server a lot > to get data. Well, the client and the server are on the same machine, which isn't load or memory bound, and doesn't seem to be i/o bound either. > revision in the ZEO client cache. If the sloth is acute for a period > following client startup, but gets better over time, then the lack of > a persistent client cache would be the obvious suspect. Right, that's true enough, and I'd also expect it. But, there also seems to be (to my untrained eye) random periods of slowness from then onwards, again, without any apparent signs of excess load, memory usage or disk i/o. I'm somewhat flumoxed as to where to go from here on the debugging front... Chris -- Simplistix - Content Management, Zope & Python Consulting - http://www.simplistix.co.uk _______________________________________________ For more information about ZODB, see the ZODB Wiki: http://www.zope.org/Wikis/ZODB/ ZODB-Dev mailing list - ZODB-Dev@zope.org http://mail.zope.org/mailman/listinfo/zodb-dev ********************************************************************** This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error please notify the system manager. This footnote also confirms that this email message has been swept by MIMEsweeper for the presence of computer viruses. www.mimesweeper.com ********************************************************************** _______________________________________________ For more information about ZODB, see the ZODB Wiki: http://www.zope.org/Wikis/ZODB/ ZODB-Dev mailing list - ZODB-Dev@zope.org http://mail.zope.org/mailman/listinfo/zodb-dev
