Couchbase Server

Performance Status

04/23/2014

General News


  • N1QL benchmarking facilities
  • New query tests

NEW tickets


  • MB-10908: beam.smp RSS grows to 50GB during delta recovery causing OOM killer invocation and rebalance failure


STILL NOT CLOSED


  • MB-10815: Rebalance-in with views (3 -> 4) fails due to "<<\"Partition 170 not in active nor passive set\">>"
  • MB-10824:  1 replica item gets stuck in disk write queue after initial data load
  • MB-10828:  Memcached crashed during rebalance after failover
  • MB-10533: Compaction doesn't make any progress in spite of high fragmentation


STILL NOT CLOSED


  • MB-10537: XDCR latency is higher in 3.0 when compaction is running on source side [TAP only]
  • MB-10437: XDCR replication rate drops almost to zero in presence of light write workload on src side
  • MB-10370:  ep-engine deadlock in write-heavy DGM cases
  • MB-10302: Bucket compaction doesn't catch up causing higher disk usage in write-heavy tests
  • MB-10273: View compaction doesn't catch up in basic non-DGM tests with view queries

DeFERRED


  • MB-10501: Swap usage [by memcached] on [NUMA] system with sufficient memory resources

2.x DebT


  • couchbase-bucket: 6 issues
  • xdcr: 1 issues
  • ns_server: 2 issues
  • view-engine: 2 issues

https://www.couchbase.com/issues/issues/?filter=11702

BACKLOG


  • [ongoing] N1QL performance testing

BLOCKERS


  • CBIT-1151: NIC upgrade
  • MB-10472: Handle multiple snapshots properly in view engine
  • MB-10875: Flusher queue doesn't get flushed
  • CBD-1239:  missing Windows builds
  • CBIT-1148: 172.23.96.14 is down
  • CBIT-296: client machines for regression tests
  • CBIT-654: new cluster for continuous tests
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