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  1. Core Server
  2. SERVER-10433

Segfault with lots of updates (sharded)

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Details

    • Bug
    • Status: Closed
    • Major - P3
    • Resolution: Duplicate
    • 2.2.2
    • None
    • None
    • None
    • SmartOS with a config server, a mongos server and three shards
    • Solaris
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      1. Set up a sharded set with system with millions of small documents (turn of loadbalancing)
      2. Run a few million updates to this sharded set

      Expected: Servers to stay up and accept updates
      Actual: The segfault from the description occurs on one of the shards

      Show
      Set up a sharded set with system with millions of small documents (turn of loadbalancing) Run a few million updates to this sharded set Expected : Servers to stay up and accept updates Actual : The segfault from the description occurs on one of the shards

    Description

      Running a significant number of updates to a large set of very small documents on the configuration described in environment is resulting in a segfault. The segfault happens consistently but the shard affected is random.

      Sun Aug  4 02:58:03 Invalid access at address: 0xfffffd7dceee0000 from thread: conn57
       
      Sun Aug  4 02:58:03 Got signal: 11 (Segmentation Fault).
       
      Sun Aug  4 02:58:03 Backtrace:
      0xb331b8 0x7bd48b 0x7bd695 0xfffffd7fff1d7686 0xfffffd7fff1ca37c 0x9ff980 0x92d546 0x93183b 0x7cead0 0xb2539a 0xfffffd7fd97b364c 0xfffffd7fff1d72f4 0xfffffd7fff1d75c0 
       /opt/local/bin/mongod'_ZN5mongo15printStackTraceERSo+0x28 [0xb331b8]
       /opt/local/bin/mongod'_ZN5mongo10abruptQuitEi+0x11b [0x7bd48b]
       /opt/local/bin/mongod'_ZN5mongo24abruptQuitWithAddrSignalEiP7siginfoPv+0x125 [0x7bd695]
       /lib/amd64/libc.so.1'__sighndlr+0x6 [0xfffffd7fff1d7686]
       /lib/amd64/libc.so.1'call_user_handler+0x2a4 [0xfffffd7fff1ca37c]
       /opt/local/bin/mongod'_ZNK5mongo6Record5touchEb+0x0 [0x9ff980]
       /opt/local/bin/mongod'_ZN5mongo14receivedUpdateERNS_7MessageERNS_5CurOpE+0x4e6 [0x92d546]
       /opt/local/bin/mongod'_ZN5mongo16assembleResponseERNS_7MessageERNS_10DbResponseERKNS_11HostAndPortE+0xe9b [0x93183b]
       /opt/local/bin/mongod'_ZN5mongo16MyMessageHandler7processERNS_7MessageEPNS_21AbstractMessagingPortEPNS_9LastErrorE+0x90 [0x7cead0]
       /opt/local/bin/mongod'_ZN5mongo3pms9threadRunEPNS_13MessagingPortE+0x32a [0xb2539a]
       /opt/local/lib/libboost_thread.so.1.49.0'thread_proxy+0x6c [0xfffffd7fd97b364c]
       /lib/amd64/libc.so.1'_thrp_setup+0xbc [0xfffffd7fff1d72f4]
       /lib/amd64/libc.so.1'_lwp_start+0x0 [0xfffffd7fff1d75c0]

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              tad Tad Marshall
              paullryan Paul Ryan
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                Created:
                Updated:
                Resolved: