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https://issues.apache.org/jira/browse/ACCUMULO-624?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15431063#comment-15431063
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marco polo commented on ACCUMULO-624:
-------------------------------------
I was not able to replicate Eric's results. In fact I found that using no Pool
was beneficial to us. As a result I made Accumulo-4419 which I will use to
demonstrate my changes.
> iterators may open lots of compressors
> --------------------------------------
>
> Key: ACCUMULO-624
> URL: https://issues.apache.org/jira/browse/ACCUMULO-624
> Project: Accumulo
> Issue Type: Bug
> Components: tserver
> Reporter: Eric Newton
>
> A large iterator tree may create many instances of Compressors. These
> instances are pulled from a pool that never decreases in size. So, if 50
> simultaneous queries are run over dozens of files, each with a complex
> iterator stack, there will be thousands of compressors created. Each of
> these holds a large buffer. This can cause the server to run out of memory.
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