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  1. Couchbase Server
  2. MB-35135

"received unexpected commit for key" from PassiveDurabilityMonitor::completeSyncWrite [2019/7/19]

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    • Triaged
    • Unknown
    • KV-Engine Mad-Hatter Beta

    Description

      Error message seen on node 172.28.128.83 in memached.log.
      Jepsen test was trying to perform Majority SyncWrites and failing over nodes with the following test parameters:
      workload=failover,failover-type=hard,recovery-type=delta,replicas=2,no-autofailover,disrupt-count=1,rate=0,durability=0:100:0:0,eviction-policy=value.

      2019-07-17T08:29:46.999576-07:00 ERROR 47: exception occurred in runloop during packet execution. Cookie info: [{"aiostat":"success","connection":"[ 127.0.0.1:37724 - 127.0.0.1:11209 (<ud>@ns_server</ud>) ]","engine_storage":"0x00007fa4f6f57010","ewouldblock":false,"packet":{"bodylen":27,"cas":0,"datatype":"raw","extlen":16,"key":"<ud>.jepsen0013</ud>","keylen":11,"magic":"ClientRequest","opaque":74,"opcode":"DCP_COMMIT","vbucket":413},"refcount":1}] - closing connection ([ 127.0.0.1:37724 - 127.0.0.1:11209 (<ud>@ns_server</ud>) ]): PassiveDurabilityMonitor::completeSyncWrite vb:413 Pending resolution for 'SW @0x7fa4f70e71d0 cookie:0 qi:[key:'<ud>cid:0x0:jepsen0013</ud>' seqno:1269 reqs:{Majority, timeout=infinite}] maj:0 #1stChainAcks:0 1stChainAcks:[] #2ndChainAcks:0 2ndChainAcks:[]', but received unexpected commit for key cid:0x0:jepsen0013
      2019-07-17T08:29:46.999628-07:00 INFO 47: (No Engine) DCP (Consumer) eq_dcpq:replication:ns_1@172.28.128.187->ns_1@172.28.128.83:default - Removing connection [ 127.0.0.1:37724 - 127.0.0.1:11209 (<ud>@ns_server</ud>) ]
      

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            richard.demellow Richard deMellow
            richard.demellow Richard deMellow
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