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Posted to notifications@accumulo.apache.org by "Jeremy Kepner (JIRA)" <ji...@apache.org> on 2013/01/04 17:30:12 UTC

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

     [ https://issues.apache.org/jira/browse/ACCUMULO-931?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jeremy Kepner updated ACCUMULO-931:
-----------------------------------

    Attachment: 4ingestor.pdf
                3ingestor.pdf
                2ingestor.pdf
                1ingestor.pdf

Ingestor performance for 1, 2, 3, 4 ingestors.
                
> 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
>         Attachments: 1ingestor.pdf, 2ingestor.pdf, 3ingestor.pdf, 4ingestor.pdf
>
>
> 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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