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  1. Couchbase Gateway
  2. CBG-434

Build 2.6.0-104: Existing SG WRITE test with 100% RYOW shows suboptimal throughout in 4 node cluster compared to single node

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Critical
    • Resolution: Unresolved
    • Affects Version/s: 2.6.0
    • Fix Version/s: 2.6.0
    • Component/s: SyncGateway
    • Security Level: Public
    • Sprint:
      CBG Sprint 25
    • Story Points:
      8

      Description

      While running regression runs in 2.6.0-104 build .the existing WRITE tests where 100% RYOW(Read Your Own Write) scenario .

      I am observing  significant improvement in throughout single node tests (7935 Throughput). However same test with 4 node SG cluster throughout is ~6500 K . 

       

       

      Note -

      In these tests there are 1M documents inserted prior to actual run test of (100% RYOW ). 

       

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          Activity

          Hide
          sharath.sulochana Sharath Sulochana added a comment -
          Show
          sharath.sulochana Sharath Sulochana added a comment - Please take a look at this job -  http://perf.jenkins.couchbase.com/job/syncgteway-hebe-new/249/  
          Hide
          James Flather James Flather added a comment -

          Moved to CBG - please let me know if this is incorrect.

          Show
          James Flather James Flather added a comment - Moved to CBG - please let me know if this is incorrect.
          Hide
          adamf Adam Fraser added a comment -

          Addressed this by limiting sequence allocation batch size - details here: https://github.com/couchbase/sync_gateway/pull/4186#issue-294695665

          Show
          adamf Adam Fraser added a comment - Addressed this by limiting sequence allocation batch size - details here:  https://github.com/couchbase/sync_gateway/pull/4186#issue-294695665

            People

            • Assignee:
              adamf Adam Fraser
              Reporter:
              sharath.sulochana Sharath Sulochana
            • Votes:
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              Watchers:
              3 Start watching this issue

              Dates

              • Created:
                Updated:

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