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https://issues.apache.org/jira/browse/KUDU-3271?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17314068#comment-17314068
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Andrew Wong edited comment on KUDU-3271 at 4/2/21, 8:20 PM:
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[~zhangyifan27] Thanks for reporting this. Is there anything in the INFO logs
that you think might be useful in getting to the bottom of this? Do you know
what scans were running around this time? Were there any special or new
workloads running that hadn't run before?
was (Author: andrew.wong):
[~zhangyifan27] Thanks for reporting this. Is there anything in the INFO logs
that you think might be useful in getting to the bottom of this?
> Tablet server crashed when handle scan request
> ----------------------------------------------
>
> Key: KUDU-3271
> URL: https://issues.apache.org/jira/browse/KUDU-3271
> Project: Kudu
> Issue Type: Bug
> Affects Versions: 1.12.0
> Reporter: YifanZhang
> Priority: Major
>
> We found that one of kudu tablet server crashed when handle scan request. The
> scanned table didn't have any row operations at that time. This issue only
> came up once so far.
> Coredump stack is:
> {code:java}
> Program terminated with signal 11, Segmentation fault.
> (gdb) bt
> #0 kudu::tablet::DeltaApplier::HasNext (this=<optimized out>) at
> /home/zhangyifan8/work/kudu-xm/src/kudu/tablet/delta_applier.cc:84
> #1 0x0000000002185900 in kudu::UnionIterator::HasNext (this=<optimized out>)
> at /home/zhangyifan8/work/kudu-xm/src/kudu/common/generic_iterators.cc:1051
> #2 0x0000000000a2ea8f in kudu::tserver::ScannerManager::UnregisterScanner
> (this=0x4fea140, scanner_id=...) at
> /home/zhangyifan8/work/kudu-xm/src/kudu/tserver/scanners.cc:195
> #3 0x00000000009e7adf in ~ScopedUnregisterScanner (this=0x7f2d72167610,
> __in_chrg=<optimized out>) at
> /home/zhangyifan8/work/kudu-xm/src/kudu/tserver/scanners.h:179
> #4 kudu::tserver::TabletServiceImpl::HandleContinueScanRequest
> (this=this@entry=0x60edef0, req=req@entry=0x9582e880,
> rpc_context=rpc_context@entry=0x8151d7800,
> result_collector=result_collector@entry=0x7f2d721679f0,
> has_more_results=has_more_results@entry=0x7f2d721678f9,
> error_code=error_code@entry=0x7f2d721678fc) at
> /home/zhangyifan8/work/kudu-xm/src/kudu/tserver/tablet_service.cc:2737
> #5 0x00000000009fb009 in kudu::tserver::TabletServiceImpl::Scan
> (this=0x60edef0, req=0x9582e880, resp=0xb87b16de0, context=0x8151d7800) at
> /home/zhangyifan8/work/kudu-xm/src/kudu/tserver/tablet_service.cc:1907
> #6 0x000000000210f019 in operator() (__args#2=0x8151d7800,
> __args#1=0xb87b16de0, __args#0=<optimized out>, this=0x4e0c7708) at
> /usr/include/c++/4.8.2/functional:2471
> #7 kudu::rpc::GeneratedServiceIf::Handle (this=0x60edef0, call=<optimized
> out>) at /home/zhangyifan8/work/kudu-xm/src/kudu/rpc/service_if.cc:139
> #8 0x000000000210fcd9 in kudu::rpc::ServicePool::RunThread (this=0x50fb9e0)
> at /home/zhangyifan8/work/kudu-xm/src/kudu/rpc/service_pool.cc:225
> #9 0x000000000228ecaf in operator() (this=0xc1a58c28) at
> /usr/include/c++/4.8.2/functional:2471
> #10 kudu::Thread::SuperviseThread (arg=0xc1a58c00) at
> /home/zhangyifan8/work/kudu-xm/src/kudu/util/thread.cc:674#11
> 0x00007f2de6b8adc5 in start_thread () from /lib64/libpthread.so.0#12
> 0x00007f2de4e6873d in clone () from /lib64/libc.so.6
> {code}
>
>
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