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Posted to notifications@accumulo.apache.org by "Jeremy Kepner (JIRA)" <ji...@apache.org> on 2013/01/04 17:28:12 UTC

[jira] [Created] (ACCUMULO-931) Oscillations in Accumulo Ingest Performance

Jeremy Kepner created ACCUMULO-931:
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             Summary: Oscillations in Accumulo Ingest Performance
                 Key: ACCUMULO-931
                 URL: https://issues.apache.org/jira/browse/ACCUMULO-931
             Project: Accumulo
          Issue Type: Bug
    Affects Versions: 1.4.2
         Environment: 

            Reporter: Jeremy Kepner


Linux 2.6.32, single node, 32 cores, 96 GB RAM, 3x3TB SATA drives, RAID5

Ingest performance into accumulo varies by 2.5x.  Depending upon the number of ingestors.

Performance tests were carried out using Graph500 benchmark (see d4m_api/examples/3Scaling/2ParallelDatabase/pDB10_EdgeInsertTEST.m from http://www.mit.edu/~kepner/D4M/).


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