Hi Hermann > Betreff: Re: [Zope-dev] ZODB Competing read/writes: How to > find out which attribute? > > Hermann Himmelbauer wrote: > > Hi, > > I once in the while get the following warning in my Zope 3 > log, which > > I'd like to resolve: > > > > 2009-10-07T14:35:41 WARNING ZopePublication Competing > writes/reads at > > > /BSPSite/act/++vh++http:zis.act.at:80/bankneu/++/c/acc/booklis t/index.html: > > database conflict error (oid 0x7a5d, class BTrees.OOBTree.OOBTree, > > serial this txn started with 0x0381388ca6804966 2009-10-07 > > 12:28:39.023700, serial currently committed 0x03813893b087d0cc > > 2009-10-07 12:35:41.374343) > > That URL looks like it should only be reading the database, > but the fact that you get a conflict error suggests that the > code behind that URL is writing to the database. If I were > you, I would first ensure that read operations never write to > the database.
just a hint, sometimes session get accessed with session[key] wich will force a write operation. If so, you can prevent creating a new session by using session.get(key, someDefaultValue) Regards Roger Ineichen > Shane > > _______________________________________________ > Zope-Dev maillist - Zope-Dev@zope.org > https://mail.zope.org/mailman/listinfo/zope-dev > ** No cross posts or HTML encoding! ** (Related lists - > https://mail.zope.org/mailman/listinfo/zope-announce > https://mail.zope.org/mailman/listinfo/zope ) > _______________________________________________ Zope-Dev maillist - Zope-Dev@zope.org https://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - https://mail.zope.org/mailman/listinfo/zope-announce https://mail.zope.org/mailman/listinfo/zope )
