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https://issues.apache.org/jira/browse/SOLR-990?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12667726#action_12667726
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Bill Au commented on SOLR-990:
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The pid file should be move under the logs directory. I don't think it is a
good idea to keep the pid file under /tmp.
> Add pid file to snapinstaller to skip script overruns, and recover from
> faliure
> -------------------------------------------------------------------------------
>
> Key: SOLR-990
> URL: https://issues.apache.org/jira/browse/SOLR-990
> Project: Solr
> Issue Type: Improvement
> Components: replication (scripts)
> Reporter: Dan Rosher
> Priority: Minor
> Attachments: SOLR-990.patch, SOLR-990.patch, SOLR-990.patch
>
>
> The pid file will allow snapinstaller to be run as fast as possible without
> overruns. Also it will recover from a last failed run should an older
> snapinstaller process no longer be running.
> Avoiding overruns means that snapinstaller can be run as fast as possible,
> but without suffering from the performance issue described here:
> http://wiki.apache.org/solr/SolrPerformanceFactors#head-fc7f22035c493431d58c5404ab22aef0ee1b9909
>
> This means that one can do the following
> */1 * * * * ..../bin/snappuller && ..../bin/snapinstaller
> Even with a 'properly tuned' setup, there can be times where snapinstaller
> can suffer from overruns due to a lack of resources, or an unoptimized index
> using more resources etc.
> currently the pid will live in /tmp ... perhaps it should be in the logs dir?
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