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https://issues.apache.org/jira/browse/SOLR-9658?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16921723#comment-16921723
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David Smiley commented on SOLR-9658:
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Do we as a project really want to implement our own caches or is it about time
that we use other popular caches like
[Caffeine|https://github.com/ben-manes/caffeine]? Don't get me wrong, I love
writing code, and working on caches is fun, but I'd rather we use one of our
many already existing dependencies for this common task. SOLR-8241 is about
adding Caffeine to Solr.
> Caches should have an optional way to clean if idle for 'x' mins
> ----------------------------------------------------------------
>
> Key: SOLR-9658
> URL: https://issues.apache.org/jira/browse/SOLR-9658
> Project: Solr
> Issue Type: New Feature
> Reporter: Noble Paul
> Assignee: Andrzej Bialecki
> Priority: Major
> Fix For: 8.3
>
> Attachments: SOLR-9658.patch, SOLR-9658.patch, SOLR-9658.patch,
> SOLR-9658.patch, SOLR-9658.patch, SOLR-9658.patch
>
>
> If a cache is idle for long, it consumes precious memory. It should be
> configurable to clear the cache if it was not accessed for 'x' secs. The
> cache configuration can have an extra config {{maxIdleTime}} . if we wish it
> to the cleaned after 10 mins of inactivity set it to {{maxIdleTime=600}}.
> [~dragonsinth] would it be a solution for the memory leak you mentioned?
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