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https://issues.apache.org/jira/browse/SOLR-2323?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alexandre Rafalovitch closed SOLR-2323.
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Resolution: Won't Fix
An issue against the replication method no longer used in Solr.
> Solr should clean old replication temp dirs
> -------------------------------------------
>
> Key: SOLR-2323
> URL: https://issues.apache.org/jira/browse/SOLR-2323
> Project: Solr
> Issue Type: Bug
> Components: replication (java)
> Affects Versions: 1.4.1
> Reporter: Markus Jelsma
>
> In a high commit rate environment (polling < 10s and commits every minute)
> the shutdown/restart of a slave can result in old temp directories laying
> around, filling up disk space as we go on. This happens with the following
> scenario:
> 1. master has index version 2
> 2. slave downloads files for version 2 to index.2 temp directory
> 3. slave is shutdown
> 4. master increments to version 3
> 5. slave is started
> 6. slave downloads files for version 3 to index.3 temp directory
> The result is index.2 temp directory not getting deleted by any process. This
> is very annoying in such an environment where nodes are restarted frequently
> (for whatever reason). Working around the problem can be done by either
> manually deleting the temp directories between shutdown and startup or by
> calling the disablepoll command followed by an abortfetch command which will
> (after a long wait) finally purge the temp directory.
> See this thread:
> http://www.mail-archive.com/solr-user@lucene.apache.org/msg45120.html
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