Joe McDonnell created IMPALA-14049:
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Summary: 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
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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