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  1. Accumulo
  2. ACCUMULO-1062

large numbers of threads make in-memory updates slow

    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Critical
    • Resolution: Fixed
    • Affects Version/s: 1.4.2
    • Fix Version/s: 1.4.3, 1.5.0
    • Component/s: tserver
    • Labels:
      None
    • Environment:

      testing on large clusters

      Description

      Using hundreds of ingest programs, each running several batch writers, ingest would eventually become slow. Testing (attached) proved that performance fell off as the number of threads increased.

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              • Assignee:
                ecn Eric Newton
                Reporter:
                ecn Eric Newton
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                • Created:
                  Updated:
                  Resolved: