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From "chad davis (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (JCR-3027) JCR Server has concurrency issues on JcrWebdavServer.SessionCache internal HashMap caches
Date Tue, 19 Jul 2011 22:37:01 GMT

     [ https://issues.apache.org/jira/browse/JCR-3027?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

chad davis updated JCR-3027:
----------------------------


My fixes were done on 2.2.5.  In the next couple of days I'll port my work to the trunk and
attach the patches to this ticket. 

> JCR Server has concurrency issues on JcrWebdavServer.SessionCache internal HashMap caches
> -----------------------------------------------------------------------------------------
>
>                 Key: JCR-3027
>                 URL: https://issues.apache.org/jira/browse/JCR-3027
>             Project: Jackrabbit Content Repository
>          Issue Type: Improvement
>          Components: jackrabbit-jcr-server
>    Affects Versions: 2.2.5
>            Reporter: chad davis
>              Labels: dav, davex, performance, remote
>             Fix For: 2.3.0
>
>
> After doing the davex remoting performance work outlined in JCR-3026, the increased concurrency
on my jcr server exposed a lot of errors related to getting and putting from the JcrWebdavServer.SessionCache's
internal HashMap's.  This problem with HashMap's is a well known concurrency error and was
easily fixed by upgrading these maps to ConcurrentHashMaps.  Performance seems dramatically
better.  

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