Échantillonnage Du Profileur De Requête 

ClickHouse exécute un profileur d'échantillonnage qui permet d'analyser l'exécution des requêtes. En utilisant profiler, vous pouvez trouver des routines de code source qui ont utilisé le plus fréquemment lors de l'exécution de la requête. Vous pouvez suivre le temps CPU et le temps d'horloge murale passé, y compris le temps d'inactivité.

Utilisation du générateur de profils:

  • Installation de la trace_log la section de la configuration du serveur.

    Cette section configure le trace_log tableau système contenant les résultats du fonctionnement du profileur. Il est configuré par défaut. Rappelez-vous que les données de ce tableau est valable que pour un serveur en cours d'exécution. Après le redémarrage du serveur, ClickHouse ne nettoie pas la table et toute l'adresse de mémoire virtuelle stockée peut devenir invalide.

  • Installation de la query_profiler_cpu_time_period_ns ou query_profiler_real_time_period_ns paramètre. Les deux paramètres peuvent être utilisés simultanément.

    Ces paramètres vous permettent de configurer les minuteries du profileur. Comme il s'agit des paramètres de session, vous pouvez obtenir une fréquence d'échantillonnage différente pour l'ensemble du serveur, les utilisateurs individuels ou les profils d'utilisateurs, pour votre session interactive et pour chaque requête individuelle.

La fréquence d'échantillonnage par défaut est d'un échantillon par seconde et le processeur et les minuteries réelles sont activés. Cette fréquence permet de collecter suffisamment d'informations sur le cluster ClickHouse. En même temps, en travaillant avec cette fréquence, profiler n'affecte pas les performances du serveur ClickHouse. Si vous avez besoin de profiler chaque requête individuelle, essayez d'utiliser une fréquence d'échantillonnage plus élevée.

Pour analyser les trace_log système de table:

  • Installer le clickhouse-common-static-dbg paquet. Voir Installer à partir de paquets DEB.

  • Autoriser les fonctions d'introspection par allow_introspection_functions paramètre.

    Pour des raisons de sécurité, les fonctions d'introspection sont désactivées par défaut.

  • L'utilisation de la addressToLine, addressToSymbol et demangle fonctions d'introspection pour obtenir les noms de fonctions et leurs positions dans le code ClickHouse. Pour obtenir un profil pour une requête, vous devez agréger les données du trace_log table. Vous pouvez agréger des données par des fonctions individuelles ou par l'ensemble des traces de la pile.

Si vous avez besoin de visualiser trace_log info, essayez flamegraph et speedscope.

Exemple 

Dans cet exemple, nous:

  • Filtrage trace_log données par un identifiant de requête et la date actuelle.

  • Agrégation par trace de pile.

  • En utilisant les fonctions d'introspection, nous obtiendrons un rapport de:

    • Noms des symboles et des fonctions de code source correspondantes.
    • Emplacements de code Source de ces fonctions.
SELECT
    count(),
    arrayStringConcat(arrayMap(x -> concat(demangle(addressToSymbol(x)), '\n    ', addressToLine(x)), trace), '\n') AS sym
FROM system.trace_log
WHERE (query_id = 'ebca3574-ad0a-400a-9cbc-dca382f5998c') AND (event_date = today())
GROUP BY trace
ORDER BY count() DESC
LIMIT 10
Row 1:
──────
count(): 6344
sym:     StackTrace::StackTrace(ucontext_t const&)
    /home/milovidov/ClickHouse/build_gcc9/../src/Common/StackTrace.cpp:208
DB::(anonymous namespace)::writeTraceInfo(DB::TimerType, int, siginfo_t*, void*) [clone .isra.0]
    /home/milovidov/ClickHouse/build_gcc9/../src/IO/BufferBase.h:99


read

DB::ReadBufferFromFileDescriptor::nextImpl()
    /home/milovidov/ClickHouse/build_gcc9/../src/IO/ReadBufferFromFileDescriptor.cpp:56
DB::CompressedReadBufferBase::readCompressedData(unsigned long&, unsigned long&)
    /home/milovidov/ClickHouse/build_gcc9/../src/IO/ReadBuffer.h:54
DB::CompressedReadBufferFromFile::nextImpl()
    /home/milovidov/ClickHouse/build_gcc9/../src/Compression/CompressedReadBufferFromFile.cpp:22
DB::CompressedReadBufferFromFile::seek(unsigned long, unsigned long)
    /home/milovidov/ClickHouse/build_gcc9/../src/Compression/CompressedReadBufferFromFile.cpp:63
DB::MergeTreeReaderStream::seekToMark(unsigned long)
    /home/milovidov/ClickHouse/build_gcc9/../src/Storages/MergeTree/MergeTreeReaderStream.cpp:200
std::_Function_handler<DB::ReadBuffer* (std::vector<DB::IDataType::Substream, std::allocator<DB::IDataType::Substream> > const&), DB::MergeTreeReader::readData(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, DB::IDataType const&, DB::IColumn&, unsigned long, bool, unsigned long, bool)::{lambda(bool)#1}::operator()(bool) const::{lambda(std::vector<DB::IDataType::Substream, std::allocator<DB::IDataType::Substream> > const&)#1}>::_M_invoke(std::_Any_data const&, std::vector<DB::IDataType::Substream, std::allocator<DB::IDataType::Substream> > const&)
    /home/milovidov/ClickHouse/build_gcc9/../src/Storages/MergeTree/MergeTreeReader.cpp:212
DB::IDataType::deserializeBinaryBulkWithMultipleStreams(DB::IColumn&, unsigned long, DB::IDataType::DeserializeBinaryBulkSettings&, std::shared_ptr<DB::IDataType::DeserializeBinaryBulkState>&) const
    /usr/local/include/c++/9.1.0/bits/std_function.h:690
DB::MergeTreeReader::readData(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, DB::IDataType const&, DB::IColumn&, unsigned long, bool, unsigned long, bool)
    /home/milovidov/ClickHouse/build_gcc9/../src/Storages/MergeTree/MergeTreeReader.cpp:232
DB::MergeTreeReader::readRows(unsigned long, bool, unsigned long, DB::Block&)
    /home/milovidov/ClickHouse/build_gcc9/../src/Storages/MergeTree/MergeTreeReader.cpp:111
DB::MergeTreeRangeReader::DelayedStream::finalize(DB::Block&)
    /home/milovidov/ClickHouse/build_gcc9/../src/Storages/MergeTree/MergeTreeRangeReader.cpp:35
DB::MergeTreeRangeReader::continueReadingChain(DB::MergeTreeRangeReader::ReadResult&)
    /home/milovidov/ClickHouse/build_gcc9/../src/Storages/MergeTree/MergeTreeRangeReader.cpp:219
DB::MergeTreeRangeReader::read(unsigned long, std::vector<DB::MarkRange, std::allocator<DB::MarkRange> >&)
    /home/milovidov/ClickHouse/build_gcc9/../src/Storages/MergeTree/MergeTreeRangeReader.cpp:487
DB::MergeTreeBaseSelectBlockInputStream::readFromPartImpl()
    /home/milovidov/ClickHouse/build_gcc9/../src/Storages/MergeTree/MergeTreeBaseSelectBlockInputStream.cpp:158
DB::MergeTreeBaseSelectBlockInputStream::readImpl()
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::IBlockInputStream::read()
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::ExpressionBlockInputStream::readImpl()
    /home/milovidov/ClickHouse/build_gcc9/../src/DataStreams/ExpressionBlockInputStream.cpp:34
DB::IBlockInputStream::read()
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::PartialSortingBlockInputStream::readImpl()
    /home/milovidov/ClickHouse/build_gcc9/../src/DataStreams/PartialSortingBlockInputStream.cpp:13
DB::IBlockInputStream::read()
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>::loop(unsigned long)
    /usr/local/include/c++/9.1.0/bits/atomic_base.h:419
DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>::thread(std::shared_ptr<DB::ThreadGroupStatus>, unsigned long)
    /home/milovidov/ClickHouse/build_gcc9/../src/DataStreams/ParallelInputsProcessor.h:215
ThreadFromGlobalPool::ThreadFromGlobalPool<void (DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>::*)(std::shared_ptr<DB::ThreadGroupStatus>, unsigned long), DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>*, std::shared_ptr<DB::ThreadGroupStatus>, unsigned long&>(void (DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>::*&&)(std::shared_ptr<DB::ThreadGroupStatus>, unsigned long), DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>*&&, std::shared_ptr<DB::ThreadGroupStatus>&&, unsigned long&)::{lambda()#1}::operator()() const
    /usr/local/include/c++/9.1.0/bits/shared_ptr_base.h:729
ThreadPoolImpl<std::thread>::worker(std::_List_iterator<std::thread>)
    /usr/local/include/c++/9.1.0/bits/unique_lock.h:69
execute_native_thread_routine
    /home/milovidov/ClickHouse/ci/workspace/gcc/gcc-build/x86_64-pc-linux-gnu/libstdc++-v3/include/bits/unique_ptr.h:81
start_thread

__clone


Row 2:
──────
count(): 3295
sym:     StackTrace::StackTrace(ucontext_t const&)
    /home/milovidov/ClickHouse/build_gcc9/../src/Common/StackTrace.cpp:208
DB::(anonymous namespace)::writeTraceInfo(DB::TimerType, int, siginfo_t*, void*) [clone .isra.0]
    /home/milovidov/ClickHouse/build_gcc9/../src/IO/BufferBase.h:99


__pthread_cond_wait

std::condition_variable::wait(std::unique_lock<std::mutex>&)
    /home/milovidov/ClickHouse/ci/workspace/gcc/gcc-build/x86_64-pc-linux-gnu/libstdc++-v3/src/c++11/../../../../../gcc-9.1.0/libstdc++-v3/src/c++11/condition_variable.cc:55
Poco::Semaphore::wait()
    /home/milovidov/ClickHouse/build_gcc9/../contrib/poco/Foundation/src/Semaphore.cpp:61
DB::UnionBlockInputStream::readImpl()
    /usr/local/include/c++/9.1.0/x86_64-pc-linux-gnu/bits/gthr-default.h:748
DB::IBlockInputStream::read()
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::MergeSortingBlockInputStream::readImpl()
    /home/milovidov/ClickHouse/build_gcc9/../src/Core/Block.h:90
DB::IBlockInputStream::read()
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::ExpressionBlockInputStream::readImpl()
    /home/milovidov/ClickHouse/build_gcc9/../src/DataStreams/ExpressionBlockInputStream.cpp:34
DB::IBlockInputStream::read()
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::LimitBlockInputStream::readImpl()
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::IBlockInputStream::read()
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::AsynchronousBlockInputStream::calculate()
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
std::_Function_handler<void (), DB::AsynchronousBlockInputStream::next()::{lambda()#1}>::_M_invoke(std::_Any_data const&)
    /usr/local/include/c++/9.1.0/bits/atomic_base.h:551
ThreadPoolImpl<ThreadFromGlobalPool>::worker(std::_List_iterator<ThreadFromGlobalPool>)
    /usr/local/include/c++/9.1.0/x86_64-pc-linux-gnu/bits/gthr-default.h:748
ThreadFromGlobalPool::ThreadFromGlobalPool<ThreadPoolImpl<ThreadFromGlobalPool>::scheduleImpl<void>(std::function<void ()>, int, std::optional<unsigned long>)::{lambda()#3}>(ThreadPoolImpl<ThreadFromGlobalPool>::scheduleImpl<void>(std::function<void ()>, int, std::optional<unsigned long>)::{lambda()#3}&&)::{lambda()#1}::operator()() const
    /home/milovidov/ClickHouse/build_gcc9/../src/Common/ThreadPool.h:146
ThreadPoolImpl<std::thread>::worker(std::_List_iterator<std::thread>)
    /usr/local/include/c++/9.1.0/bits/unique_lock.h:69
execute_native_thread_routine
    /home/milovidov/ClickHouse/ci/workspace/gcc/gcc-build/x86_64-pc-linux-gnu/libstdc++-v3/include/bits/unique_ptr.h:81
start_thread

__clone


Row 3:
──────
count(): 1978
sym:     StackTrace::StackTrace(ucontext_t const&)
    /home/milovidov/ClickHouse/build_gcc9/../src/Common/StackTrace.cpp:208
DB::(anonymous namespace)::writeTraceInfo(DB::TimerType, int, siginfo_t*, void*) [clone .isra.0]
    /home/milovidov/ClickHouse/build_gcc9/../src/IO/BufferBase.h:99


DB::VolnitskyBase<true, true, DB::StringSearcher<true, true> >::search(unsigned char const*, unsigned long) const
    /opt/milovidov/ClickHouse/build_gcc9/programs/clickhouse
DB::MatchImpl<true, false>::vector_constant(DB::PODArray<unsigned char, 4096ul, AllocatorWithHint<false, AllocatorHints::DefaultHint, 67108864ul>, 15ul, 16ul> const&, DB::PODArray<unsigned long, 4096ul, AllocatorWithHint<false, AllocatorHints::DefaultHint, 67108864ul>, 15ul, 16ul> const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, DB::PODArray<unsigned char, 4096ul, AllocatorWithHint<false, AllocatorHints::DefaultHint, 67108864ul>, 15ul, 16ul>&)
    /opt/milovidov/ClickHouse/build_gcc9/programs/clickhouse
DB::FunctionsStringSearch<DB::MatchImpl<true, false>, DB::NameLike>::executeImpl(DB::Block&, std::vector<unsigned long, std::allocator<unsigned long> > const&, unsigned long, unsigned long)
    /opt/milovidov/ClickHouse/build_gcc9/programs/clickhouse
DB::PreparedFunctionImpl::execute(DB::Block&, std::vector<unsigned long, std::allocator<unsigned long> > const&, unsigned long, unsigned long, bool)
    /home/milovidov/ClickHouse/build_gcc9/../src/Functions/IFunction.cpp:464
DB::ExpressionAction::execute(DB::Block&, bool) const
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:677
DB::ExpressionActions::execute(DB::Block&, bool) const
    /home/milovidov/ClickHouse/build_gcc9/../src/Interpreters/ExpressionActions.cpp:739
DB::MergeTreeRangeReader::executePrewhereActionsAndFilterColumns(DB::MergeTreeRangeReader::ReadResult&)
    /home/milovidov/ClickHouse/build_gcc9/../src/Storages/MergeTree/MergeTreeRangeReader.cpp:660
DB::MergeTreeRangeReader::read(unsigned long, std::vector<DB::MarkRange, std::allocator<DB::MarkRange> >&)
    /home/milovidov/ClickHouse/build_gcc9/../src/Storages/MergeTree/MergeTreeRangeReader.cpp:546
DB::MergeTreeRangeReader::read(unsigned long, std::vector<DB::MarkRange, std::allocator<DB::MarkRange> >&)
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::MergeTreeBaseSelectBlockInputStream::readFromPartImpl()
    /home/milovidov/ClickHouse/build_gcc9/../src/Storages/MergeTree/MergeTreeBaseSelectBlockInputStream.cpp:158
DB::MergeTreeBaseSelectBlockInputStream::readImpl()
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::IBlockInputStream::read()
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::ExpressionBlockInputStream::readImpl()
    /home/milovidov/ClickHouse/build_gcc9/../src/DataStreams/ExpressionBlockInputStream.cpp:34
DB::IBlockInputStream::read()
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::PartialSortingBlockInputStream::readImpl()
    /home/milovidov/ClickHouse/build_gcc9/../src/DataStreams/PartialSortingBlockInputStream.cpp:13
DB::IBlockInputStream::read()
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>::loop(unsigned long)
    /usr/local/include/c++/9.1.0/bits/atomic_base.h:419
DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>::thread(std::shared_ptr<DB::ThreadGroupStatus>, unsigned long)
    /home/milovidov/ClickHouse/build_gcc9/../src/DataStreams/ParallelInputsProcessor.h:215
ThreadFromGlobalPool::ThreadFromGlobalPool<void (DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>::*)(std::shared_ptr<DB::ThreadGroupStatus>, unsigned long), DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>*, std::shared_ptr<DB::ThreadGroupStatus>, unsigned long&>(void (DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>::*&&)(std::shared_ptr<DB::ThreadGroupStatus>, unsigned long), DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>*&&, std::shared_ptr<DB::ThreadGroupStatus>&&, unsigned long&)::{lambda()#1}::operator()() const
    /usr/local/include/c++/9.1.0/bits/shared_ptr_base.h:729
ThreadPoolImpl<std::thread>::worker(std::_List_iterator<std::thread>)
    /usr/local/include/c++/9.1.0/bits/unique_lock.h:69
execute_native_thread_routine
    /home/milovidov/ClickHouse/ci/workspace/gcc/gcc-build/x86_64-pc-linux-gnu/libstdc++-v3/include/bits/unique_ptr.h:81
start_thread

__clone


Row 4:
──────
count(): 1913
sym:     StackTrace::StackTrace(ucontext_t const&)
    /home/milovidov/ClickHouse/build_gcc9/../src/Common/StackTrace.cpp:208
DB::(anonymous namespace)::writeTraceInfo(DB::TimerType, int, siginfo_t*, void*) [clone .isra.0]
    /home/milovidov/ClickHouse/build_gcc9/../src/IO/BufferBase.h:99


DB::VolnitskyBase<true, true, DB::StringSearcher<true, true> >::search(unsigned char const*, unsigned long) const
    /opt/milovidov/ClickHouse/build_gcc9/programs/clickhouse
DB::MatchImpl<true, false>::vector_constant(DB::PODArray<unsigned char, 4096ul, AllocatorWithHint<false, AllocatorHints::DefaultHint, 67108864ul>, 15ul, 16ul> const&, DB::PODArray<unsigned long, 4096ul, AllocatorWithHint<false, AllocatorHints::DefaultHint, 67108864ul>, 15ul, 16ul> const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, DB::PODArray<unsigned char, 4096ul, AllocatorWithHint<false, AllocatorHints::DefaultHint, 67108864ul>, 15ul, 16ul>&)
    /opt/milovidov/ClickHouse/build_gcc9/programs/clickhouse
DB::FunctionsStringSearch<DB::MatchImpl<true, false>, DB::NameLike>::executeImpl(DB::Block&, std::vector<unsigned long, std::allocator<unsigned long> > const&, unsigned long, unsigned long)
    /opt/milovidov/ClickHouse/build_gcc9/programs/clickhouse
DB::PreparedFunctionImpl::execute(DB::Block&, std::vector<unsigned long, std::allocator<unsigned long> > const&, unsigned long, unsigned long, bool)
    /home/milovidov/ClickHouse/build_gcc9/../src/Functions/IFunction.cpp:464
DB::ExpressionAction::execute(DB::Block&, bool) const
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:677
DB::ExpressionActions::execute(DB::Block&, bool) const
    /home/milovidov/ClickHouse/build_gcc9/../src/Interpreters/ExpressionActions.cpp:739
DB::MergeTreeRangeReader::executePrewhereActionsAndFilterColumns(DB::MergeTreeRangeReader::ReadResult&)
    /home/milovidov/ClickHouse/build_gcc9/../src/Storages/MergeTree/MergeTreeRangeReader.cpp:660
DB::MergeTreeRangeReader::read(unsigned long, std::vector<DB::MarkRange, std::allocator<DB::MarkRange> >&)
    /home/milovidov/ClickHouse/build_gcc9/../src/Storages/MergeTree/MergeTreeRangeReader.cpp:546
DB::MergeTreeRangeReader::read(unsigned long, std::vector<DB::MarkRange, std::allocator<DB::MarkRange> >&)
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::MergeTreeBaseSelectBlockInputStream::readFromPartImpl()
    /home/milovidov/ClickHouse/build_gcc9/../src/Storages/MergeTree/MergeTreeBaseSelectBlockInputStream.cpp:158
DB::MergeTreeBaseSelectBlockInputStream::readImpl()
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::IBlockInputStream::read()
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::ExpressionBlockInputStream::readImpl()
    /home/milovidov/ClickHouse/build_gcc9/../src/DataStreams/ExpressionBlockInputStream.cpp:34
DB::IBlockInputStream::read()
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::PartialSortingBlockInputStream::readImpl()
    /home/milovidov/ClickHouse/build_gcc9/../src/DataStreams/PartialSortingBlockInputStream.cpp:13
DB::IBlockInputStream::read()
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>::loop(unsigned long)
    /usr/local/include/c++/9.1.0/bits/atomic_base.h:419
DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>::thread(std::shared_ptr<DB::ThreadGroupStatus>, unsigned long)
    /home/milovidov/ClickHouse/build_gcc9/../src/DataStreams/ParallelInputsProcessor.h:215
ThreadFromGlobalPool::ThreadFromGlobalPool<void (DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>::*)(std::shared_ptr<DB::ThreadGroupStatus>, unsigned long), DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>*, std::shared_ptr<DB::ThreadGroupStatus>, unsigned long&>(void (DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>::*&&)(std::shared_ptr<DB::ThreadGroupStatus>, unsigned long), DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>*&&, std::shared_ptr<DB::ThreadGroupStatus>&&, unsigned long&)::{lambda()#1}::operator()() const
    /usr/local/include/c++/9.1.0/bits/shared_ptr_base.h:729
ThreadPoolImpl<std::thread>::worker(std::_List_iterator<std::thread>)
    /usr/local/include/c++/9.1.0/bits/unique_lock.h:69
execute_native_thread_routine
    /home/milovidov/ClickHouse/ci/workspace/gcc/gcc-build/x86_64-pc-linux-gnu/libstdc++-v3/include/bits/unique_ptr.h:81
start_thread

__clone


Row 5:
──────
count(): 1672
sym:     StackTrace::StackTrace(ucontext_t const&)
    /home/milovidov/ClickHouse/build_gcc9/../src/Common/StackTrace.cpp:208
DB::(anonymous namespace)::writeTraceInfo(DB::TimerType, int, siginfo_t*, void*) [clone .isra.0]
    /home/milovidov/ClickHouse/build_gcc9/../src/IO/BufferBase.h:99


DB::VolnitskyBase<true, true, DB::StringSearcher<true, true> >::search(unsigned char const*, unsigned long) const
    /opt/milovidov/ClickHouse/build_gcc9/programs/clickhouse
DB::MatchImpl<true, false>::vector_constant(DB::PODArray<unsigned char, 4096ul, AllocatorWithHint<false, AllocatorHints::DefaultHint, 67108864ul>, 15ul, 16ul> const&, DB::PODArray<unsigned long, 4096ul, AllocatorWithHint<false, AllocatorHints::DefaultHint, 67108864ul>, 15ul, 16ul> const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, DB::PODArray<unsigned char, 4096ul, AllocatorWithHint<false, AllocatorHints::DefaultHint, 67108864ul>, 15ul, 16ul>&)
    /opt/milovidov/ClickHouse/build_gcc9/programs/clickhouse
DB::FunctionsStringSearch<DB::MatchImpl<true, false>, DB::NameLike>::executeImpl(DB::Block&, std::vector<unsigned long, std::allocator<unsigned long> > const&, unsigned long, unsigned long)
    /opt/milovidov/ClickHouse/build_gcc9/programs/clickhouse
DB::PreparedFunctionImpl::execute(DB::Block&, std::vector<unsigned long, std::allocator<unsigned long> > const&, unsigned long, unsigned long, bool)
    /home/milovidov/ClickHouse/build_gcc9/../src/Functions/IFunction.cpp:464
DB::ExpressionAction::execute(DB::Block&, bool) const
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:677
DB::ExpressionActions::execute(DB::Block&, bool) const
    /home/milovidov/ClickHouse/build_gcc9/../src/Interpreters/ExpressionActions.cpp:739
DB::MergeTreeRangeReader::executePrewhereActionsAndFilterColumns(DB::MergeTreeRangeReader::ReadResult&)
    /home/milovidov/ClickHouse/build_gcc9/../src/Storages/MergeTree/MergeTreeRangeReader.cpp:660
DB::MergeTreeRangeReader::read(unsigned long, std::vector<DB::MarkRange, std::allocator<DB::MarkRange> >&)
    /home/milovidov/ClickHouse/build_gcc9/../src/Storages/MergeTree/MergeTreeRangeReader.cpp:546
DB::MergeTreeRangeReader::read(unsigned long, std::vector<DB::MarkRange, std::allocator<DB::MarkRange> >&)
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::MergeTreeBaseSelectBlockInputStream::readFromPartImpl()
    /home/milovidov/ClickHouse/build_gcc9/../src/Storages/MergeTree/MergeTreeBaseSelectBlockInputStream.cpp:158
DB::MergeTreeBaseSelectBlockInputStream::readImpl()
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::IBlockInputStream::read()
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::ExpressionBlockInputStream::readImpl()
    /home/milovidov/ClickHouse/build_gcc9/../src/DataStreams/ExpressionBlockInputStream.cpp:34
DB::IBlockInputStream::read()
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::PartialSortingBlockInputStream::readImpl()
    /home/milovidov/ClickHouse/build_gcc9/../src/DataStreams/PartialSortingBlockInputStream.cpp:13
DB::IBlockInputStream::read()
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>::loop(unsigned long)
    /usr/local/include/c++/9.1.0/bits/atomic_base.h:419
DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>::thread(std::shared_ptr<DB::ThreadGroupStatus>, unsigned long)
    /home/milovidov/ClickHouse/build_gcc9/../src/DataStreams/ParallelInputsProcessor.h:215
ThreadFromGlobalPool::ThreadFromGlobalPool<void (DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>::*)(std::shared_ptr<DB::ThreadGroupStatus>, unsigned long), DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>*, std::shared_ptr<DB::ThreadGroupStatus>, unsigned long&>(void (DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>::*&&)(std::shared_ptr<DB::ThreadGroupStatus>, unsigned long), DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>*&&, std::shared_ptr<DB::ThreadGroupStatus>&&, unsigned long&)::{lambda()#1}::operator()() const
    /usr/local/include/c++/9.1.0/bits/shared_ptr_base.h:729
ThreadPoolImpl<std::thread>::worker(std::_List_iterator<std::thread>)
    /usr/local/include/c++/9.1.0/bits/unique_lock.h:69
execute_native_thread_routine
    /home/milovidov/ClickHouse/ci/workspace/gcc/gcc-build/x86_64-pc-linux-gnu/libstdc++-v3/include/bits/unique_ptr.h:81
start_thread

__clone


Row 6:
──────
count(): 1531
sym:     StackTrace::StackTrace(ucontext_t const&)
    /home/milovidov/ClickHouse/build_gcc9/../src/Common/StackTrace.cpp:208
DB::(anonymous namespace)::writeTraceInfo(DB::TimerType, int, siginfo_t*, void*) [clone .isra.0]
    /home/milovidov/ClickHouse/build_gcc9/../src/IO/BufferBase.h:99


read

DB::ReadBufferFromFileDescriptor::nextImpl()
    /home/milovidov/ClickHouse/build_gcc9/../src/IO/ReadBufferFromFileDescriptor.cpp:56
DB::CompressedReadBufferBase::readCompressedData(unsigned long&, unsigned long&)
    /home/milovidov/ClickHouse/build_gcc9/../src/IO/ReadBuffer.h:54
DB::CompressedReadBufferFromFile::nextImpl()
    /home/milovidov/ClickHouse/build_gcc9/../src/Compression/CompressedReadBufferFromFile.cpp:22
void DB::deserializeBinarySSE2<4>(DB::PODArray<unsigned char, 4096ul, AllocatorWithHint<false, AllocatorHints::DefaultHint, 67108864ul>, 15ul, 16ul>&, DB::PODArray<unsigned long, 4096ul, AllocatorWithHint<false, AllocatorHints::DefaultHint, 67108864ul>, 15ul, 16ul>&, DB::ReadBuffer&, unsigned long)
    /home/milovidov/ClickHouse/build_gcc9/../src/IO/ReadBuffer.h:53
DB::DataTypeString::deserializeBinaryBulk(DB::IColumn&, DB::ReadBuffer&, unsigned long, double) const
    /home/milovidov/ClickHouse/build_gcc9/../src/DataTypes/DataTypeString.cpp:202
DB::MergeTreeReader::readData(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, DB::IDataType const&, DB::IColumn&, unsigned long, bool, unsigned long, bool)
    /home/milovidov/ClickHouse/build_gcc9/../src/Storages/MergeTree/MergeTreeReader.cpp:232
DB::MergeTreeReader::readRows(unsigned long, bool, unsigned long, DB::Block&)
    /home/milovidov/ClickHouse/build_gcc9/../src/Storages/MergeTree/MergeTreeReader.cpp:111
DB::MergeTreeRangeReader::DelayedStream::finalize(DB::Block&)
    /home/milovidov/ClickHouse/build_gcc9/../src/Storages/MergeTree/MergeTreeRangeReader.cpp:35
DB::MergeTreeRangeReader::startReadingChain(unsigned long, std::vector<DB::MarkRange, std::allocator<DB::MarkRange> >&)
    /home/milovidov/ClickHouse/build_gcc9/../src/Storages/MergeTree/MergeTreeRangeReader.cpp:219
DB::MergeTreeRangeReader::read(unsigned long, std::vector<DB::MarkRange, std::allocator<DB::MarkRange> >&)
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::MergeTreeRangeReader::read(unsigned long, std::vector<DB::MarkRange, std::allocator<DB::MarkRange> >&)
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::MergeTreeBaseSelectBlockInputStream::readFromPartImpl()
    /home/milovidov/ClickHouse/build_gcc9/../src/Storages/MergeTree/MergeTreeBaseSelectBlockInputStream.cpp:158
DB::MergeTreeBaseSelectBlockInputStream::readImpl()
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::IBlockInputStream::read()
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::ExpressionBlockInputStream::readImpl()
    /home/milovidov/ClickHouse/build_gcc9/../src/DataStreams/ExpressionBlockInputStream.cpp:34
DB::IBlockInputStream::read()
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::PartialSortingBlockInputStream::readImpl()
    /home/milovidov/ClickHouse/build_gcc9/../src/DataStreams/PartialSortingBlockInputStream.cpp:13
DB::IBlockInputStream::read()
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>::loop(unsigned long)
    /usr/local/include/c++/9.1.0/bits/atomic_base.h:419
DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>::thread(std::shared_ptr<DB::ThreadGroupStatus>, unsigned long)
    /home/milovidov/ClickHouse/build_gcc9/../src/DataStreams/ParallelInputsProcessor.h:215
ThreadFromGlobalPool::ThreadFromGlobalPool<void (DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>::*)(std::shared_ptr<DB::ThreadGroupStatus>, unsigned long), DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>*, std::shared_ptr<DB::ThreadGroupStatus>, unsigned long&>(void (DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>::*&&)(std::shared_ptr<DB::ThreadGroupStatus>, unsigned long), DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>*&&, std::shared_ptr<DB::ThreadGroupStatus>&&, unsigned long&)::{lambda()#1}::operator()() const
    /usr/local/include/c++/9.1.0/bits/shared_ptr_base.h:729
ThreadPoolImpl<std::thread>::worker(std::_List_iterator<std::thread>)
    /usr/local/include/c++/9.1.0/bits/unique_lock.h:69
execute_native_thread_routine
    /home/milovidov/ClickHouse/ci/workspace/gcc/gcc-build/x86_64-pc-linux-gnu/libstdc++-v3/include/bits/unique_ptr.h:81
start_thread

__clone


Row 7:
──────
count(): 1034
sym:     StackTrace::StackTrace(ucontext_t const&)
    /home/milovidov/ClickHouse/build_gcc9/../src/Common/StackTrace.cpp:208
DB::(anonymous namespace)::writeTraceInfo(DB::TimerType, int, siginfo_t*, void*) [clone .isra.0]
    /home/milovidov/ClickHouse/build_gcc9/../src/IO/BufferBase.h:99


DB::VolnitskyBase<true, true, DB::StringSearcher<true, true> >::search(unsigned char const*, unsigned long) const
    /opt/milovidov/ClickHouse/build_gcc9/programs/clickhouse
DB::MatchImpl<true, false>::vector_constant(DB::PODArray<unsigned char, 4096ul, AllocatorWithHint<false, AllocatorHints::DefaultHint, 67108864ul>, 15ul, 16ul> const&, DB::PODArray<unsigned long, 4096ul, AllocatorWithHint<false, AllocatorHints::DefaultHint, 67108864ul>, 15ul, 16ul> const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, DB::PODArray<unsigned char, 4096ul, AllocatorWithHint<false, AllocatorHints::DefaultHint, 67108864ul>, 15ul, 16ul>&)
    /opt/milovidov/ClickHouse/build_gcc9/programs/clickhouse
DB::FunctionsStringSearch<DB::MatchImpl<true, false>, DB::NameLike>::executeImpl(DB::Block&, std::vector<unsigned long, std::allocator<unsigned long> > const&, unsigned long, unsigned long)
    /opt/milovidov/ClickHouse/build_gcc9/programs/clickhouse
DB::PreparedFunctionImpl::execute(DB::Block&, std::vector<unsigned long, std::allocator<unsigned long> > const&, unsigned long, unsigned long, bool)
    /home/milovidov/ClickHouse/build_gcc9/../src/Functions/IFunction.cpp:464
DB::ExpressionAction::execute(DB::Block&, bool) const
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:677
DB::ExpressionActions::execute(DB::Block&, bool) const
    /home/milovidov/ClickHouse/build_gcc9/../src/Interpreters/ExpressionActions.cpp:739
DB::MergeTreeRangeReader::executePrewhereActionsAndFilterColumns(DB::MergeTreeRangeReader::ReadResult&)
    /home/milovidov/ClickHouse/build_gcc9/../src/Storages/MergeTree/MergeTreeRangeReader.cpp:660
DB::MergeTreeRangeReader::read(unsigned long, std::vector<DB::MarkRange, std::allocator<DB::MarkRange> >&)
    /home/milovidov/ClickHouse/build_gcc9/../src/Storages/MergeTree/MergeTreeRangeReader.cpp:546
DB::MergeTreeRangeReader::read(unsigned long, std::vector<DB::MarkRange, std::allocator<DB::MarkRange> >&)
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::MergeTreeBaseSelectBlockInputStream::readFromPartImpl()
    /home/milovidov/ClickHouse/build_gcc9/../src/Storages/MergeTree/MergeTreeBaseSelectBlockInputStream.cpp:158
DB::MergeTreeBaseSelectBlockInputStream::readImpl()
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::IBlockInputStream::read()
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::ExpressionBlockInputStream::readImpl()
    /home/milovidov/ClickHouse/build_gcc9/../src/DataStreams/ExpressionBlockInputStream.cpp:34
DB::IBlockInputStream::read()
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::PartialSortingBlockInputStream::readImpl()
    /home/milovidov/ClickHouse/build_gcc9/../src/DataStreams/PartialSortingBlockInputStream.cpp:13
DB::IBlockInputStream::read()
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>::loop(unsigned long)
    /usr/local/include/c++/9.1.0/bits/atomic_base.h:419
DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>::thread(std::shared_ptr<DB::ThreadGroupStatus>, unsigned long)
    /home/milovidov/ClickHouse/build_gcc9/../src/DataStreams/ParallelInputsProcessor.h:215
ThreadFromGlobalPool::ThreadFromGlobalPool<void (DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>::*)(std::shared_ptr<DB::ThreadGroupStatus>, unsigned long), DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>*, std::shared_ptr<DB::ThreadGroupStatus>, unsigned long&>(void (DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>::*&&)(std::shared_ptr<DB::ThreadGroupStatus>, unsigned long), DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>*&&, std::shared_ptr<DB::ThreadGroupStatus>&&, unsigned long&)::{lambda()#1}::operator()() const
    /usr/local/include/c++/9.1.0/bits/shared_ptr_base.h:729
ThreadPoolImpl<std::thread>::worker(std::_List_iterator<std::thread>)
    /usr/local/include/c++/9.1.0/bits/unique_lock.h:69
execute_native_thread_routine
    /home/milovidov/ClickHouse/ci/workspace/gcc/gcc-build/x86_64-pc-linux-gnu/libstdc++-v3/include/bits/unique_ptr.h:81
start_thread

__clone


Row 8:
──────
count(): 989
sym:     StackTrace::StackTrace(ucontext_t const&)
    /home/milovidov/ClickHouse/build_gcc9/../src/Common/StackTrace.cpp:208
DB::(anonymous namespace)::writeTraceInfo(DB::TimerType, int, siginfo_t*, void*) [clone .isra.0]
    /home/milovidov/ClickHouse/build_gcc9/../src/IO/BufferBase.h:99


__lll_lock_wait

pthread_mutex_lock

DB::MergeTreeReaderStream::loadMarks()
    /usr/local/include/c++/9.1.0/bits/std_mutex.h:103
DB::MergeTreeReaderStream::MergeTreeReaderStream(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, unsigned long, std::vector<DB::MarkRange, std::allocator<DB::MarkRange> > const&, DB::MarkCache*, bool, DB::UncompressedCache*, unsigned long, unsigned long, unsigned long, DB::MergeTreeIndexGranularityInfo const*, std::function<void (DB::ReadBufferFromFileBase::ProfileInfo)> const&, int)
    /home/milovidov/ClickHouse/build_gcc9/../src/Storages/MergeTree/MergeTreeReaderStream.cpp:107
std::_Function_handler<void (std::vector<DB::IDataType::Substream, std::allocator<DB::IDataType::Substream> > const&), DB::MergeTreeReader::addStreams(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, DB::IDataType const&, std::function<void (DB::ReadBufferFromFileBase::ProfileInfo)> const&, int)::{lambda(std::vector<DB::IDataType::Substream, std::allocator<DB::IDataType::Substream> > const&)#1}>::_M_invoke(std::_Any_data const&, std::vector<DB::IDataType::Substream, std::allocator<DB::IDataType::Substream> > const&)
    /usr/local/include/c++/9.1.0/bits/unique_ptr.h:147
DB::MergeTreeReader::addStreams(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, DB::IDataType const&, std::function<void (DB::ReadBufferFromFileBase::ProfileInfo)> const&, int)
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:677
DB::MergeTreeReader::MergeTreeReader(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::shared_ptr<DB::MergeTreeDataPart const> const&, DB::NamesAndTypesList const&, DB::UncompressedCache*, DB::MarkCache*, bool, DB::MergeTreeData const&, std::vector<DB::MarkRange, std::allocator<DB::MarkRange> > const&, unsigned long, unsigned long, std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, double, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, double> > > const&, std::function<void (DB::ReadBufferFromFileBase::ProfileInfo)> const&, int)
    /usr/local/include/c++/9.1.0/bits/stl_list.h:303
DB::MergeTreeThreadSelectBlockInputStream::getNewTask()
    /usr/local/include/c++/9.1.0/bits/std_function.h:259
DB::MergeTreeBaseSelectBlockInputStream::readImpl()
    /home/milovidov/ClickHouse/build_gcc9/../src/Storages/MergeTree/MergeTreeBaseSelectBlockInputStream.cpp:54
DB::IBlockInputStream::read()
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::ExpressionBlockInputStream::readImpl()
    /home/milovidov/ClickHouse/build_gcc9/../src/DataStreams/ExpressionBlockInputStream.cpp:34
DB::IBlockInputStream::read()
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::PartialSortingBlockInputStream::readImpl()
    /home/milovidov/ClickHouse/build_gcc9/../src/DataStreams/PartialSortingBlockInputStream.cpp:13
DB::IBlockInputStream::read()
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>::loop(unsigned long)
    /usr/local/include/c++/9.1.0/bits/atomic_base.h:419
DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>::thread(std::shared_ptr<DB::ThreadGroupStatus>, unsigned long)
    /home/milovidov/ClickHouse/build_gcc9/../src/DataStreams/ParallelInputsProcessor.h:215
ThreadFromGlobalPool::ThreadFromGlobalPool<void (DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>::*)(std::shared_ptr<DB::ThreadGroupStatus>, unsigned long), DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>*, std::shared_ptr<DB::ThreadGroupStatus>, unsigned long&>(void (DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>::*&&)(std::shared_ptr<DB::ThreadGroupStatus>, unsigned long), DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>*&&, std::shared_ptr<DB::ThreadGroupStatus>&&, unsigned long&)::{lambda()#1}::operator()() const
    /usr/local/include/c++/9.1.0/bits/shared_ptr_base.h:729
ThreadPoolImpl<std::thread>::worker(std::_List_iterator<std::thread>)
    /usr/local/include/c++/9.1.0/bits/unique_lock.h:69
execute_native_thread_routine
    /home/milovidov/ClickHouse/ci/workspace/gcc/gcc-build/x86_64-pc-linux-gnu/libstdc++-v3/include/bits/unique_ptr.h:81
start_thread

__clone


Row 9:
───────
count(): 779
sym:     StackTrace::StackTrace(ucontext_t const&)
    /home/milovidov/ClickHouse/build_gcc9/../src/Common/StackTrace.cpp:208
DB::(anonymous namespace)::writeTraceInfo(DB::TimerType, int, siginfo_t*, void*) [clone .isra.0]
    /home/milovidov/ClickHouse/build_gcc9/../src/IO/BufferBase.h:99


void DB::deserializeBinarySSE2<4>(DB::PODArray<unsigned char, 4096ul, AllocatorWithHint<false, AllocatorHints::DefaultHint, 67108864ul>, 15ul, 16ul>&, DB::PODArray<unsigned long, 4096ul, AllocatorWithHint<false, AllocatorHints::DefaultHint, 67108864ul>, 15ul, 16ul>&, DB::ReadBuffer&, unsigned long)
    /usr/local/lib/gcc/x86_64-pc-linux-gnu/9.1.0/include/emmintrin.h:727
DB::DataTypeString::deserializeBinaryBulk(DB::IColumn&, DB::ReadBuffer&, unsigned long, double) const
    /home/milovidov/ClickHouse/build_gcc9/../src/DataTypes/DataTypeString.cpp:202
DB::MergeTreeReader::readData(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, DB::IDataType const&, DB::IColumn&, unsigned long, bool, unsigned long, bool)
    /home/milovidov/ClickHouse/build_gcc9/../src/Storages/MergeTree/MergeTreeReader.cpp:232
DB::MergeTreeReader::readRows(unsigned long, bool, unsigned long, DB::Block&)
    /home/milovidov/ClickHouse/build_gcc9/../src/Storages/MergeTree/MergeTreeReader.cpp:111
DB::MergeTreeRangeReader::DelayedStream::finalize(DB::Block&)
    /home/milovidov/ClickHouse/build_gcc9/../src/Storages/MergeTree/MergeTreeRangeReader.cpp:35
DB::MergeTreeRangeReader::startReadingChain(unsigned long, std::vector<DB::MarkRange, std::allocator<DB::MarkRange> >&)
    /home/milovidov/ClickHouse/build_gcc9/../src/Storages/MergeTree/MergeTreeRangeReader.cpp:219
DB::MergeTreeRangeReader::read(unsigned long, std::vector<DB::MarkRange, std::allocator<DB::MarkRange> >&)
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::MergeTreeRangeReader::read(unsigned long, std::vector<DB::MarkRange, std::allocator<DB::MarkRange> >&)
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::MergeTreeBaseSelectBlockInputStream::readFromPartImpl()
    /home/milovidov/ClickHouse/build_gcc9/../src/Storages/MergeTree/MergeTreeBaseSelectBlockInputStream.cpp:158
DB::MergeTreeBaseSelectBlockInputStream::readImpl()
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::IBlockInputStream::read()
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::ExpressionBlockInputStream::readImpl()
    /home/milovidov/ClickHouse/build_gcc9/../src/DataStreams/ExpressionBlockInputStream.cpp:34
DB::IBlockInputStream::read()
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::PartialSortingBlockInputStream::readImpl()
    /home/milovidov/ClickHouse/build_gcc9/../src/DataStreams/PartialSortingBlockInputStream.cpp:13
DB::IBlockInputStream::read()
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>::loop(unsigned long)
    /usr/local/include/c++/9.1.0/bits/atomic_base.h:419
DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>::thread(std::shared_ptr<DB::ThreadGroupStatus>, unsigned long)
    /home/milovidov/ClickHouse/build_gcc9/../src/DataStreams/ParallelInputsProcessor.h:215
ThreadFromGlobalPool::ThreadFromGlobalPool<void (DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>::*)(std::shared_ptr<DB::ThreadGroupStatus>, unsigned long), DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>*, std::shared_ptr<DB::ThreadGroupStatus>, unsigned long&>(void (DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>::*&&)(std::shared_ptr<DB::ThreadGroupStatus>, unsigned long), DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>*&&, std::shared_ptr<DB::ThreadGroupStatus>&&, unsigned long&)::{lambda()#1}::operator()() const
    /usr/local/include/c++/9.1.0/bits/shared_ptr_base.h:729
ThreadPoolImpl<std::thread>::worker(std::_List_iterator<std::thread>)
    /usr/local/include/c++/9.1.0/bits/unique_lock.h:69
execute_native_thread_routine
    /home/milovidov/ClickHouse/ci/workspace/gcc/gcc-build/x86_64-pc-linux-gnu/libstdc++-v3/include/bits/unique_ptr.h:81
start_thread

__clone


Row 10:
───────
count(): 666
sym:     StackTrace::StackTrace(ucontext_t const&)
    /home/milovidov/ClickHouse/build_gcc9/../src/Common/StackTrace.cpp:208
DB::(anonymous namespace)::writeTraceInfo(DB::TimerType, int, siginfo_t*, void*) [clone .isra.0]
    /home/milovidov/ClickHouse/build_gcc9/../src/IO/BufferBase.h:99


void DB::deserializeBinarySSE2<4>(DB::PODArray<unsigned char, 4096ul, AllocatorWithHint<false, AllocatorHints::DefaultHint, 67108864ul>, 15ul, 16ul>&, DB::PODArray<unsigned long, 4096ul, AllocatorWithHint<false, AllocatorHints::DefaultHint, 67108864ul>, 15ul, 16ul>&, DB::ReadBuffer&, unsigned long)
    /usr/local/lib/gcc/x86_64-pc-linux-gnu/9.1.0/include/emmintrin.h:727
DB::DataTypeString::deserializeBinaryBulk(DB::IColumn&, DB::ReadBuffer&, unsigned long, double) const
    /home/milovidov/ClickHouse/build_gcc9/../src/DataTypes/DataTypeString.cpp:202
DB::MergeTreeReader::readData(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, DB::IDataType const&, DB::IColumn&, unsigned long, bool, unsigned long, bool)
    /home/milovidov/ClickHouse/build_gcc9/../src/Storages/MergeTree/MergeTreeReader.cpp:232
DB::MergeTreeReader::readRows(unsigned long, bool, unsigned long, DB::Block&)
    /home/milovidov/ClickHouse/build_gcc9/../src/Storages/MergeTree/MergeTreeReader.cpp:111
DB::MergeTreeRangeReader::DelayedStream::finalize(DB::Block&)
    /home/milovidov/ClickHouse/build_gcc9/../src/Storages/MergeTree/MergeTreeRangeReader.cpp:35
DB::MergeTreeRangeReader::startReadingChain(unsigned long, std::vector<DB::MarkRange, std::allocator<DB::MarkRange> >&)
    /home/milovidov/ClickHouse/build_gcc9/../src/Storages/MergeTree/MergeTreeRangeReader.cpp:219
DB::MergeTreeRangeReader::read(unsigned long, std::vector<DB::MarkRange, std::allocator<DB::MarkRange> >&)
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::MergeTreeRangeReader::read(unsigned long, std::vector<DB::MarkRange, std::allocator<DB::MarkRange> >&)
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::MergeTreeBaseSelectBlockInputStream::readFromPartImpl()
    /home/milovidov/ClickHouse/build_gcc9/../src/Storages/MergeTree/MergeTreeBaseSelectBlockInputStream.cpp:158
DB::MergeTreeBaseSelectBlockInputStream::readImpl()
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::IBlockInputStream::read()
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::ExpressionBlockInputStream::readImpl()
    /home/milovidov/ClickHouse/build_gcc9/../src/DataStreams/ExpressionBlockInputStream.cpp:34
DB::IBlockInputStream::read()
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::PartialSortingBlockInputStream::readImpl()
    /home/milovidov/ClickHouse/build_gcc9/../src/DataStreams/PartialSortingBlockInputStream.cpp:13
DB::IBlockInputStream::read()
    /usr/local/include/c++/9.1.0/bits/stl_vector.h:108
DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>::loop(unsigned long)
    /usr/local/include/c++/9.1.0/bits/atomic_base.h:419
DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>::thread(std::shared_ptr<DB::ThreadGroupStatus>, unsigned long)
    /home/milovidov/ClickHouse/build_gcc9/../src/DataStreams/ParallelInputsProcessor.h:215
ThreadFromGlobalPool::ThreadFromGlobalPool<void (DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>::*)(std::shared_ptr<DB::ThreadGroupStatus>, unsigned long), DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>*, std::shared_ptr<DB::ThreadGroupStatus>, unsigned long&>(void (DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>::*&&)(std::shared_ptr<DB::ThreadGroupStatus>, unsigned long), DB::ParallelInputsProcessor<DB::UnionBlockInputStream::Handler>*&&, std::shared_ptr<DB::ThreadGroupStatus>&&, unsigned long&)::{lambda()#1}::operator()() const
    /usr/local/include/c++/9.1.0/bits/shared_ptr_base.h:729
ThreadPoolImpl<std::thread>::worker(std::_List_iterator<std::thread>)
    /usr/local/include/c++/9.1.0/bits/unique_lock.h:69
execute_native_thread_routine
    /home/milovidov/ClickHouse/ci/workspace/gcc/gcc-build/x86_64-pc-linux-gnu/libstdc++-v3/include/bits/unique_ptr.h:81
start_thread

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