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From "Mike Drob (JIRA)" <j...@apache.org>
Subject [jira] [Created] (ACCUMULO-1534) Tablet Server using large number of decompressors during a scan
Date Tue, 25 Jun 2013 23:30:20 GMT
Mike Drob created ACCUMULO-1534:
-----------------------------------

             Summary: Tablet Server using large number of decompressors during a scan
                 Key: ACCUMULO-1534
                 URL: https://issues.apache.org/jira/browse/ACCUMULO-1534
             Project: Accumulo
          Issue Type: Bug
    Affects Versions: 1.4.3
            Reporter: Mike Drob
             Fix For: 1.4.4, 1.5.1, 1.6.0


I believe this issue is similar to ACCUMULO-665. We've run into a situation where a complex
iterator tree creates a large number of decompressors from the underlying CodecPool for serving
scans. Each decompressor holds on to a large buffer and the total volume ends up killing the
tserver.

We have verified that turning off compression makes this problem go away.

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