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  1. Couchbase Server
  2. MB-33378

Memcached core dumps

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Details

    • Untriaged
    • Yes

    Description

      Build : 6.5.0-2632
      Last known good build : 6.5.0-2627
      Potential cause of regression :
      kv_engine changed from faa37755ada1032a42ce46e0b8fd2c97616321ca to master
      [+] 56032f1 MB-32591: Expel checkpoint items that are no longer required

      Steps :
      1. 1-node cluster with kv+index+query services
      2. Load beer-sample bucket
      3. In a couple of mins, memcached crashes and here's something from the memcached logs.

      2019-03-15T09:10:34.832873-07:00 CRITICAL Breakpad caught a crash (Couchbase version 6.5.0-2632). Writing crash dump to /opt/couchbase/var/lib/couchbase/crash/607a9c1d-4fe9-491c-0d5f8ee8-33b9340f.dmp before terminating.
      		 
      2019-03-15T09:10:34.832897-07:00 CRITICAL Stack backtrace of crashed thread:
      		 
      2019-03-15T09:10:34.833139-07:00 CRITICAL     /opt/couchbase/bin/memcached() [0x400000+0x101800]
      		 
      2019-03-15T09:10:34.833161-07:00 CRITICAL     /opt/couchbase/bin/memcached(_ZN15google_breakpad16ExceptionHandler12GenerateDumpEPNS0_12CrashContextE+0x3ce) [0x400000+0x10e65e]
      		 
      2019-03-15T09:10:34.833171-07:00 CRITICAL     /opt/couchbase/bin/memcached(_ZN15google_breakpad16ExceptionHandler13SignalHandlerEiP9siginfo_tPv+0x94) [0x400000+0x10e974]
      		 
      2019-03-15T09:10:34.833530-07:00 CRITICAL     /lib64/libpthread.so.0() [0x7f6589bf7000+0xf370]
      		 
      2019-03-15T09:10:34.833541-07:00 CRITICAL     /opt/couchbase/bin/../lib/../lib/ep.so() [0x7f658449e000+0x54363]
      		 
      2019-03-15T09:10:34.833547-07:00 CRITICAL     /opt/couchbase/bin/../lib/../lib/ep.so() [0x7f658449e000+0x5da70]
      		 
      2019-03-15T09:10:34.833554-07:00 CRITICAL     /opt/couchbase/bin/../lib/../lib/ep.so() [0x7f658449e000+0x12b9a4]
      		 
      2019-03-15T09:10:34.833560-07:00 CRITICAL     /opt/couchbase/bin/../lib/../lib/ep.so() [0x7f658449e000+0x103b80]
      		 
      2019-03-15T09:10:34.833568-07:00 CRITICAL     /opt/couchbase/bin/../lib/libplatform_so.so.0.1.0() [0x7f658bc5b000+0x87c7]
      		 
      2019-03-15T09:10:34.833575-07:00 CRITICAL     /lib64/libpthread.so.0() [0x7f6589bf7000+0x7dc5]
      		 
      2019-03-15T09:10:34.833617-07:00 CRITICAL     /lib64/libc.so.6(clone+0x6d) [0x7f6589836000+0xf773d]

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          is triggered by

          Improvement - An improvement or enhancement to an existing feature or task. MB-32591 Expel Items from checkpoint queue

          • Major - Major loss of function.
          • Closed
          relates to

          Bug - A problem which impairs or prevents the functions of the product. MB-33372 master-post-commit is failing

          • Major - Major loss of function.
          • Closed
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              owend Daniel Owen
              mihir.kamdar Mihir Kamdar (Inactive)
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              Dates

                Created:
                Updated:
                Resolved:

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