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From "Jukka Zitting (JIRA)" <j...@apache.org>
Subject [jira] Updated: (JCR-2832) Crash when adding node to cluster with big journal on PSQL DB
Date Wed, 08 Dec 2010 19:25:03 GMT

     [ https://issues.apache.org/jira/browse/JCR-2832?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Jukka Zitting updated JCR-2832:

    Fix Version/s:     (was: 2.1.3)

> Crash when adding node to cluster with big journal on PSQL DB
> -------------------------------------------------------------
>                 Key: JCR-2832
>                 URL: https://issues.apache.org/jira/browse/JCR-2832
>             Project: Jackrabbit Content Repository
>          Issue Type: Bug
>          Components: clustering, jackrabbit-core
>    Affects Versions: 2.1.2
>         Environment: Clustering with database journal using PSQL
>            Reporter: Omid Milani
>            Priority: Minor
>         Attachments: jackrabbit-cluster-outofmem.patch
>   Original Estimate: 1h
>  Remaining Estimate: 1h
> When adding a new node to a cluster with big journal on PSQL database application runs
out of memory on the new node and crashes (no exception, application exits with code 137).
> It's because with PSQL, when no fetchSize is specified, all the results of query are
loaded into memory before being passed to application. Furthermore, specification of fetchSize
only works in transactional mode and have no effect if autoCommit is true. (these are configured
in ConnectionHelper)

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