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https://issues.apache.org/jira/browse/OAK-5995?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chetan Mehrotra resolved OAK-5995.
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Resolution: Incomplete
Resolving as incomplete for now
> Lucene indexing with copyonread/write holding unexpectedly much files open
> --------------------------------------------------------------------------
>
> Key: OAK-5995
> URL: https://issues.apache.org/jira/browse/OAK-5995
> Project: Jackrabbit Oak
> Issue Type: Bug
> Components: lucene
> Affects Versions: 1.4.1
> Reporter: Dirk Rudolph
> Assignee: Chetan Mehrotra
> Attachments: lsofout2.txt
>
>
> We recently faced the issue that our Oak based enterprise content management
> system run into failures due to too much open files. Monitoring the lsof
> output we found out that most of the opened files of the process are the
> files within the configured localIndexDir of the LuceneIndexProviderService.
> {code}
> enableCopyOnReadSupport="true"
> localIndexDir="tmp/index"
> enableCopyOnWriteSupport="true"
> {code}
> See attached the lsof output:
> {code}
> ~ wc -l lsofout2.txt
> 20388 lsofout2.txt
> ~ grep "tmp/index" lsofout2.txt | wc -l
> 13499
> {code}
> where more then 60% of open files are "tmp/index" ones as configured as
> {{localIndexDir}} shortly after a restart of the process.
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