Couchbase Server

Performance Status

08/13/2014

Bug Snapshot


Today:
  • Blockers: 8
  • Critical: 3
  • Major: 1

Last Wednesday:
  • Blockers: 3
  • Critical: 4
  • Major: 1

KV


  • MB-11928: Rebalance with delta recovery exited with reason "{badmatch, {error,{failed_nodes,['ns_1@172.23.96.14']}}}"
  • MB-11916:  memcached segmentation fault during data load
  • MB-11912: 2x greater read latency in scenario with high cache miss rate
  • KV


  • MB-11799:  Bucket compaction causes massive slowness of UPR consumers
  • MB-11738:    Evaluate GIO CPU utilization on systems with 8/16 vCPU
  • MB-11675:   20-30% performance degradation on append-heavy workload compared to 2.5.1
  • MB-11642:   Intra-replication falling far behind under moderate-heavy workload
  • MB-11623:  test for performance regressions with JSON detection
  • Views


    • MB-11922:  Upgrade to R16 causes 20% regression in view query latency and throughput
    • MB-11920:  DCP based rebalance with views doesn't leverage faster indexing
    • MB-11919:  3-5x increase in index size during rebalance with views
    • MB-11918:  Latency of stale=update_after queries reaches 30-60 seconds during rebalance
    • MB-11589:  Sliding endseqno during initial index build or upr reading from disk snapshot results in longer stale=false query latency and index startup time

    XDCR


    • MB-11943: memcached crashed when adding node to destination cluster in XDCR setup
    • MB-11643: Incoming workload suffers when XDCR enabled

    MISC


    • MB-11798: Operations to create user and create session in Sync Gateway are slower with 3.0 Beta
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