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https://issues.apache.org/jira/browse/IMPALA-14049?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joe McDonnell reassigned IMPALA-14049:
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Assignee: Joe McDonnell
> expr-test fails in TSAN run due to IMPALA-13978
> -----------------------------------------------
>
> Key: IMPALA-14049
> URL: https://issues.apache.org/jira/browse/IMPALA-14049
> Project: IMPALA
> Issue Type: Task
> Components: Backend
> Affects Versions: Impala 5.0.0
> Reporter: Joe McDonnell
> Assignee: Joe McDonnell
> Priority: Major
>
> IMPALA-13978 switched HdrHistogram from using a gscoped_array to a
> unique_ptr. expr-test now fails in TSAN when tearing down the global
> structures:
> {noformat}
> WARNING: ThreadSanitizer: data race (pid=1270841)
> Write of size 8 at 0x7b140066d868 by main thread:
> #0 std::unique_ptr<long [], std::default_delete<long []> >::~unique_ptr()
> /opt/Impala-Toolchain/toolchain-packages-gcc10.4.0/gcc-10.4.0/lib/gcc/x86_64-pc-linux-gnu/10.4.0/../../../../include/c++/10.4.0/bits/unique_ptr.h:613:8
> (unifiedbetests+0x7aa7af1)
> #1 impala::HdrHistogram::~HdrHistogram()
> /home/joemcdonnell/upstream/Impala/be/src/util/hdr-histogram.h:70:7
> (unifiedbetests+0x7d5a14d)
> #2 void
> boost::checked_delete<impala::HdrHistogram>(impala::HdrHistogram*)
> /opt/Impala-Toolchain/toolchain-packages-gcc10.4.0/boost-1.74.0-p1/include/boost/core/checked_delete.hpp:36:5
> (unifiedbetests+0x7d5a10e)
> #3 boost::scoped_ptr<impala::HdrHistogram>::~scoped_ptr()
> /opt/Impala-Toolchain/toolchain-packages-gcc10.4.0/boost-1.74.0-p1/include/boost/smart_ptr/scoped_ptr.hpp:88:9
> (unifiedbetests+0x7d5a0e1)
> #4 impala::HistogramMetric::~HistogramMetric()
> /home/joemcdonnell/upstream/Impala/be/src/util/histogram-metric.h:31:7
> (unifiedbetests+0x7d52854)
> ...
> Previous read of size 8 at 0x7b140066d868 by thread T955 (mutexes: write
> M235448423542615688):
> #0 std::__uniq_ptr_impl<long, std::default_delete<long []> >::_M_ptr()
> const
> /opt/Impala-Toolchain/toolchain-packages-gcc10.4.0/gcc-10.4.0/lib/gcc/x86_64-pc-linux-gnu/10.4.0/../../../../include/c++/10.4.0/bits/unique_ptr.h:173:42
> (unifiedbetests+0x7a98944)
> #1 std::unique_ptr<long [], std::default_delete<long []> >::get() const
> /opt/Impala-Toolchain/toolchain-packages-gcc10.4.0/gcc-10.4.0/lib/gcc/x86_64-pc-linux-gnu/10.4.0/../../../../include/c++/10.4.0/bits/unique_ptr.h:666:21
> (unifiedbetests+0x7a98909)
> #2 std::unique_ptr<long [], std::default_delete<long []>
> >::operator[](unsigned long) const
> /opt/Impala-Toolchain/toolchain-packages-gcc10.4.0/gcc-10.4.0/lib/gcc/x86_64-pc-linux-gnu/10.4.0/../../../../include/c++/10.4.0/bits/unique_ptr.h:660:9
> (unifiedbetests+0x7a986fd)
> #3 impala::HdrHistogram::IncrementBy(long, long)
> /home/joemcdonnell/upstream/Impala/be/src/util/hdr-histogram.cc:158:30
> (unifiedbetests+0x8479de6)
> #4 impala::HdrHistogram::Increment(long)
> /home/joemcdonnell/upstream/Impala/be/src/util/hdr-histogram.cc:144:3
> (unifiedbetests+0x8479cd5)
> #5 impala::HistogramMetric::Update(long)
> /home/joemcdonnell/upstream/Impala/be/src/util/histogram-metric.h:46:17
> (unifiedbetests+0x6ca86dd)
> #6 impala::RpcEventHandler::postWrite(void*, char const*, unsigned int)
> /home/joemcdonnell/upstream/Impala/be/src/rpc/rpc-trace.cc:265:40
> (unifiedbetests+0x7cc595e)
> {noformat}
> There is some problem with the order in which things get torn down. expr-test
> is a complete mess in that regard. Anyway, the behavior is different between
> gscoped_array and unique_ptr, and this starts to fail after the switch.
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