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Type:
Improvement
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Resolution: Duplicate
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Priority:
Major - P3
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None
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Affects Version/s: 2.2.3
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Component/s: None
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Labels:None
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Environment:Ubuntu/AWS/EBS
We ran into a bad problem with EBS volumes becoming intermittently inaccessible. The following stacktrace occurs and MongoDB shuts down. Better messaging in the logs would help users diagnose this problem faster.
I believe this can be recreated by unmounting a drive while MongoDB is running:
dbexception in groupCommit causing immediate shutdown: 0 assertion src/mongo/util/alignedbuilder.cpp:91 Assertion failure a <= 512*1024*1024 src/mongo/util/alignedbuilder.cpp 91 0xb07561 0xacdb5d 0xacc36d 0x73dda5 0x73e0b4 0x731024 0x73157a 0x72ef8c 0x72f09c 0x9ac179 0x9ab9ef 0xadab5d 0xb4d3d9 0x7f99bbfa6d8c 0x7f99bb347fdd /usr/bin/mongod(_ZN5mongo15printStackTraceERSo+0x21) [0xb07561] /usr/bin/mongod(_ZN5mongo12verifyFailedEPKcS1_j+0xfd) [0xacdb5d] /usr/bin/mongod(_ZN5mongo14AlignedBuilder14growReallocateEj+0x7d) [0xacc36d] /usr/bin/mongod() [0x73dda5] /usr/bin/mongod(_ZN5mongo3dur13PREPLOGBUFFERERNS0_11JSectHeaderERNS_14AlignedBuilderE+0x214) [0x73e0b4] /usr/bin/mongod() [0x731024] /usr/bin/mongod(_ZN5mongo3dur11DurableImpl9commitNowEv+0x1a) [0x73157a] /usr/bin/mongod(_ZN5mongo3dur11DurableImpl16_aCommitIsNeededEv+0x14c) [0x72ef8c] /usr/bin/mongod(_ZN5mongo3dur11DurableImpl14commitIfNeededEb+0x4c) [0x72f09c] /usr/bin/mongod(_ZN5mongo7replset8SyncTail9syncApplyERKNS_7BSONObjEb+0x2a9) [0x9ac179] /usr/bin/mongod(_ZN5mongo7replset14multiSyncApplyERKSt6vectorINS_7BSONObjESaIS2_EEPNS0_8SyncTailE+0x4f) [0x9ab9ef] /usr/bin/mongod(_ZN5mongo10threadpool6Worker4loopEv+0x26d) [0xadab5d] /usr/bin/mongod() [0xb4d3d9] /lib/x86_64-linux-gnu/libpthread.so.0(+0x6d8c)
- duplicates
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- Closed
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