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https://issues.apache.org/jira/browse/ACCUMULO-624?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15081615#comment-15081615
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marco polo commented on ACCUMULO-624:
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[~ecn] I vaguely remembered a ticket by [~mdrob], and came across
ACCUMULO-1534. Do you experience the same thing with snappy?
> 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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