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From "Ian Boston (JIRA)" <j...@apache.org>
Subject [jira] Commented: (JCR-929) Under Heavy load in a Cluster HTTP Threads Block and stall requests
Date Fri, 25 May 2007 17:41:17 GMT

    [ https://issues.apache.org/jira/browse/JCR-929?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12499181

Ian Boston commented on JCR-929:

I am seeing some collisions on the revision numbers. Which causes the local cache to become
out of date.... but looking at the code paths, there is always an release operation.

> Under Heavy load in a Cluster HTTP Threads Block and stall requests
> -------------------------------------------------------------------
>                 Key: JCR-929
>                 URL: https://issues.apache.org/jira/browse/JCR-929
>             Project: Jackrabbit
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 1.3
>         Environment: 2 Node Cluster, OSX, JDK 1.5 with DatabaseJournal, DatabasePersistanceManager,
all content in DB, using WebDAV to load
>            Reporter: Ian Boston
>         Assigned To: Dominique Pfister
> Under Heavy load created by mounting both nodes in the cluster in OSX Finder and then
uploading large numebers of files to each node at the same time ( a few 1000), eventually
one of the nodes stops responding and the Finder mount timesout and disconnects.
> Once that happens that node becomes unusable.
> More mount attempts will prompt for a password indicating HTTP is still running, but
will timeout once the connection is authenticated.
> Access by the Web Browser will prompt for a password, conenct and provide a once only
listing of any collection in the workspace. If you try to refresh that collection, the HTTP
request hangs forever.

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