Couchbase Server 3.0

Performance Status

03/05/2014

General news


  • Rebalance after failover
  • Rebalance of empty buckets
  • Re-evaluation of XDCR related issues
  • 2.5.1 full pass


improvements


  • No new improvements reported

Regression


  • MB-9495: ep_bg_wait_avg degradation due to GIO
  • MB-10359: Replica data size is way higher than size of active data

NOT REPORTED REGRESSION


  • ep-engine deadlock in write-heavy DGM cases
  • Higher memory overhead due to UPR (waiting for MB-9897)

STILL NOT CLOSED


  • MB-10302: Bucket compaction doesn't catch up causing higher disk usage in write-heavy tests
  • MB-10301: Major drops (up to 30%) in ops/sec in write-heavy performance test
  • MB-10273: View compaction doesn't catch up in basic non-DGM tests with view queries
  • MB-10259: Constant ep-engine crashes during load phase
  • MB-10250: Higher memory fragmentation in append only workloads
  • MB-10164 :  Warmup is 1.5 slower in recent 3.0 builds  

2.x DebT


  • couchbase-bucket: 13 issues
  • ns_server: 5 issues
  • xdcr: 4 issues
  • view-engine: 3 issues
  • moxi: 1 issue

BACKLOG


  • Gathering input regarding customer cases (ongoing)
  • Workloads based on customer cases
  • WAN emulation in XDCR performance tests

BLOCKERS


  • CBD-1239:  missing Windows builds
  • CBIT-296: client machines for regression tests
  • CBIT-654: new cluster for continuous tests

3.0 Performance Status

By Pavel Paulau

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3.0 Performance Status

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