Fix Distributed queries finishing (avoid connection resets)#17006
Merged
KochetovNicolai merged 4 commits intoClickHouse:masterfrom Nov 17, 2020
Merged
Fix Distributed queries finishing (avoid connection resets)#17006KochetovNicolai merged 4 commits intoClickHouse:masterfrom
KochetovNicolai merged 4 commits intoClickHouse:masterfrom
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With optimize_distributed_group_by_sharding_key it is possible to get enough rows even before sending query to another shard and in this case it shouldn't send anything to others. This reduces NETWORK_ERROR in the 01563_distributed_query_finish from 2 to 1.
This patch fixes the 01563_distributed_query_finish test.
This was referenced Nov 14, 2020
Since onCancel() and generate() can be called from different threads
TSAN reports:
WARNING: ThreadSanitizer: data race (pid=253)
Write of size 1 at 0x7b50008c25c2 by thread T144 (mutexes: write M643587328754916744):
#0 DB::RemoteSource::onCancel() /build/obj-x86_64-linux-gnu/../src/Processors/Sources/RemoteSource.cpp:79:24 (clickhouse+0x11c2019d)
ClickHouse#1 DB::IProcessor::cancel() /build/obj-x86_64-linux-gnu/../src/Processors/IProcessor.h:235:9 (clickhouse+0x11c21def)
ClickHouse#2 DB::RemoteSource::onUpdatePorts() /build/obj-x86_64-linux-gnu/../src/Processors/Sources/RemoteSource.h:32:13 (clickhouse+0x11c21def)
ClickHouse#3 DB::PipelineExecutor::tryAddProcessorToStackIfUpdated(DB::ExecutingGraph::Edge&, std::__1::queue<DB::ExecutingGraph::Node*, std::__1::deque<DB::ExecutingGraph::Node*, std::__1::allocator<DB::ExecutingGraph::Node*> > >&, unsigned long) /build/obj-x86_64-linux-gnu/../src/Processors/Executors/PipelineExecutor.cpp:190:43 (clickhouse+0x11aaf954)
ClickHouse#4 DB::PipelineExecutor::prepareProcessor(unsigned long, unsigned long, std::__1::queue<DB::ExecutingGraph::Node*, std::__1::deque<DB::ExecutingGraph::Node*, std::__1::allocator<DB::ExecutingGraph::Node*> > >&, std::__1::unique_lock<std::__1::mutex>) /build/obj-x86_64-linux-gnu/../src/Processors/Executors/PipelineExecutor.cpp:296:18 (clickhouse+0x11ab0169)
ClickHouse#5 DB::PipelineExecutor::tryAddProcessorToStackIfUpdated(DB::ExecutingGraph::Edge&, std::__1::queue<DB::ExecutingGraph::Node*, std::__1::deque<DB::ExecutingGraph::Node*, std::__1::allocator<DB::ExecutingGraph::Node*> > >&, unsigned long) /build/obj-x86_64-linux-gnu/../src/Processors/Executors/PipelineExecutor.cpp:187:16 (clickhouse+0x11aaf9c2)
ClickHouse#6 DB::PipelineExecutor::prepareProcessor(unsigned long, unsigned long, std::__1::queue<DB::ExecutingGraph::Node*, std::__1::deque<DB::ExecutingGraph::Node*, std::__1::allocator<DB::ExecutingGraph::Node*> > >&, std::__1::unique_lock<std::__1::mutex>) /build/obj-x86_64-linux-gnu/../src/Processors/Executors/PipelineExecutor.cpp:296:18 (clickhouse+0x11ab0169)
ClickHouse#7 DB::PipelineExecutor::executeStepImpl(unsigned long, unsigned long, std::__1::atomic<bool>*) /build/obj-x86_64-linux-gnu/../src/Processors/Executors/PipelineExecutor.cpp:589:26 (clickhouse+0x11ab2a3e)
ClickHouse#8 DB::PipelineExecutor::executeSingleThread(unsigned long, unsigned long) /build/obj-x86_64-linux-gnu/../src/Processors/Executors/PipelineExecutor.cpp:477:5 (clickhouse+0x11ab538b)
ClickHouse#9 DB::PipelineExecutor::executeImpl(unsigned long)::$_4::operator()() const /build/obj-x86_64-linux-gnu/../src/Processors/Executors/PipelineExecutor.cpp:736:21 (clickhouse+0x11ab538b)
ClickHouse#10 decltype(std::__1::forward<DB::PipelineExecutor::executeImpl(unsigned long)::$_4&>(fp)()) std::__1::__invoke_constexpr<DB::PipelineExecutor::executeImpl(unsigned long)::$_4&>(DB::PipelineExecutor::executeImpl(unsigned long)::$_4&) /build/obj-x86_64-linux-gnu/../contrib/libcxx/include/type_traits:3525:1 (clickhouse+0x11ab538b)
ClickHouse#11 decltype(auto) std::__1::__apply_tuple_impl<DB::PipelineExecutor::executeImpl(unsigned long)::$_4&, std::__1::tuple<>&>(DB::PipelineExecutor::executeImpl(unsigned long)::$_4&, std::__1::tuple<>&, std::__1::__tuple_indices<>) /build/obj-x86_64-linux-gnu/../contrib/libcxx/include/tuple:1415:1 (clickhouse+0x11ab538b)
ClickHouse#12 decltype(auto) std::__1::apply<DB::PipelineExecutor::executeImpl(unsigned long)::$_4&, std::__1::tuple<>&>(DB::PipelineExecutor::executeImpl(unsigned long)::$_4&, std::__1::tuple<>&) /build/obj-x86_64-linux-gnu/../contrib/libcxx/include/tuple:1424:1 (clickhouse+0x11ab538b)
ClickHouse#13 ThreadFromGlobalPool::ThreadFromGlobalPool<DB::PipelineExecutor::executeImpl(unsigned long)::$_4>(DB::PipelineExecutor::executeImpl(unsigned long)::$_4&&)::'lambda'()::operator()() /build/obj-x86_64-linux-gnu/../src/Common/ThreadPool.h:178:13 (clickhouse+0x11ab538b)
ClickHouse#14 decltype(std::__1::forward<DB::PipelineExecutor::executeImpl(unsigned long)::$_4>(fp)()) std::__1::__invoke<ThreadFromGlobalPool::ThreadFromGlobalPool<DB::PipelineExecutor::executeImpl(unsigned long)::$_4>(DB::PipelineExecutor::executeImpl(unsigned long)::$_4&&)::'lambda'()&>(DB::PipelineExecutor::executeImpl(unsigned long)::$_4&&) /build/obj-x86_64-linux-gnu/../contrib/libcxx/include/type_traits:3519:1 (clickhouse+0x11ab538b)
ClickHouse#15 void std::__1::__invoke_void_return_wrapper<void>::__call<ThreadFromGlobalPool::ThreadFromGlobalPool<DB::PipelineExecutor::executeImpl(unsigned long)::$_4>(DB::PipelineExecutor::executeImpl(unsigned long)::$_4&&)::'lambda'()&>(DB::PipelineExecutor::executeImpl(unsigned long)::$_4&&...) /build/obj-x86_64-linux-gnu/../contrib/libcxx/include/__functional_base:348:9 (clickhouse+0x11ab538b)
ClickHouse#16 std::__1::__function::__alloc_func<ThreadFromGlobalPool::ThreadFromGlobalPool<DB::PipelineExecutor::executeImpl(unsigned long)::$_4>(DB::PipelineExecutor::executeImpl(unsigned long)::$_4&&)::'lambda'(), std::__1::allocator<ThreadFromGlobalPool::ThreadFromGlobalPool<DB::PipelineExecutor::executeImpl(unsigned long)::$_4>(DB::PipelineExecutor::executeImpl(unsigned long)::$_4&&)::'lambda'()>, void ()>::operator()() /build/obj-x86_64-linux-gnu/../contrib/libcxx/include/functional:1540:16 (clickhouse+0x11ab538b)
ClickHouse#17 std::__1::__function::__func<ThreadFromGlobalPool::ThreadFromGlobalPool<DB::PipelineExecutor::executeImpl(unsigned long)::$_4>(DB::PipelineExecutor::executeImpl(unsigned long)::$_4&&)::'lambda'(), std::__1::allocator<ThreadFromGlobalPool::ThreadFromGlobalPool<DB::PipelineExecutor::executeImpl(unsigned long)::$_4>(DB::PipelineExecutor::executeImpl(unsigned long)::$_4&&)::'lambda'()>, void ()>::operator()() /build/obj-x86_64-linux-gnu/../contrib/libcxx/include/functional:1714:12 (clickhouse+0x11ab538b)
ClickHouse#18 std::__1::__function::__value_func<void ()>::operator()() const /build/obj-x86_64-linux-gnu/../contrib/libcxx/include/functional:1867:16 (clickhouse+0x8346263)
ClickHouse#19 std::__1::function<void ()>::operator()() const /build/obj-x86_64-linux-gnu/../contrib/libcxx/include/functional:2473:12 (clickhouse+0x8346263)
ClickHouse#20 ThreadPoolImpl<std::__1::thread>::worker(std::__1::__list_iterator<std::__1::thread, void*>) /build/obj-x86_64-linux-gnu/../src/Common/ThreadPool.cpp:236:17 (clickhouse+0x8346263)
ClickHouse#21 void ThreadPoolImpl<std::__1::thread>::scheduleImpl<void>(std::__1::function<void ()>, int, std::__1::optional<unsigned long>)::'lambda1'()::operator()() const /build/obj-x86_64-linux-gnu/../src/Common/ThreadPool.cpp:117:73 (clickhouse+0x8349ea8)
ClickHouse#22 decltype(std::__1::forward<void>(fp)(std::__1::forward<void ThreadPoolImpl<std::__1::thread>::scheduleImpl<void>(std::__1::function<void ()>, int, std::__1::optional<unsigned long>)::'lambda1'()>(fp0)...)) std::__1::__invoke<void ThreadPoolImpl<std::__1::thread>::scheduleImpl<void>(std::__1::function<void ()>, int, std::__1::optional<unsigned long>)::'lambda1'()>(void&&, void ThreadPoolImpl<std::__1::thread>::scheduleImpl<void>(std::__1::function<void ()>, int, std::__1::optional<unsigned long>)::'lambda1'()&&...) /build/obj-x86_64-linux-gnu/../contrib/libcxx/include/type_traits:3519:1 (clickhouse+0x8349ea8)
ClickHouse#23 void std::__1::__thread_execute<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct> >, void ThreadPoolImpl<std::__1::thread>::scheduleImpl<void>(std::__1::function<void ()>, int, std::__1::optional<unsigned long>)::'lambda1'()>(std::__1::tuple<void, void ThreadPoolImpl<std::__1::thread>::scheduleImpl<void>(std::__1::function<void ()>, int, std::__1::optional<unsigned long>)::'lambda1'()>&, std::__1::__tuple_indices<>) /build/obj-x86_64-linux-gnu/../contrib/libcxx/include/thread:273:5 (clickhouse+0x8349ea8)
ClickHouse#24 void* std::__1::__thread_proxy<std::__1::tuple<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct> >, void ThreadPoolImpl<std::__1::thread>::scheduleImpl<void>(std::__1::function<void ()>, int, std::__1::optional<unsigned long>)::'lambda1'()> >(void*) /build/obj-x86_64-linux-gnu/../contrib/libcxx/include/thread:284:5 (clickhouse+0x8349ea8)
Previous read of size 1 at 0x7b50008c25c2 by thread T91:
#0 DB::RemoteSource::generate() /build/obj-x86_64-linux-gnu/../src/Processors/Sources/RemoteSource.cpp:35:9 (clickhouse+0x11c1fb9e)
ClickHouse#1 DB::ISource::work() /build/obj-x86_64-linux-gnu/../src/Processors/ISource.cpp:48:31 (clickhouse+0x11a6c852)
ClickHouse#2 DB::SourceWithProgress::work() /build/obj-x86_64-linux-gnu/../src/Processors/Sources/SourceWithProgress.cpp:36:30 (clickhouse+0x11c26d1a)
ClickHouse#3 DB::executeJob(DB::IProcessor*) /build/obj-x86_64-linux-gnu/../src/Processors/Executors/PipelineExecutor.cpp:78:20 (clickhouse+0x11ab4836)
ClickHouse#4 DB::PipelineExecutor::addJob(DB::ExecutingGraph::Node*)::$_0::operator()() const /build/obj-x86_64-linux-gnu/../src/Processors/Executors/PipelineExecutor.cpp:95:13 (clickhouse+0x11ab4836)
ClickHouse#5 decltype(std::__1::forward<DB::PipelineExecutor::addJob(DB::ExecutingGraph::Node*)::$_0&>(fp)()) std::__1::__invoke<DB::PipelineExecutor::addJob(DB::ExecutingGraph::Node*)::$_0&>(DB::PipelineExecutor::addJob(DB::ExecutingGraph::Node*)::$_0&) /build/obj-x86_64-linux-gnu/../contrib/libcxx/include/type_traits:3519:1 (clickhouse+0x11ab4836)
ClickHouse#6 void std::__1::__invoke_void_return_wrapper<void>::__call<DB::PipelineExecutor::addJob(DB::ExecutingGraph::Node*)::$_0&>(DB::PipelineExecutor::addJob(DB::ExecutingGraph::Node*)::$_0&) /build/obj-x86_64-linux-gnu/../contrib/libcxx/include/__functional_base:348:9 (clickhouse+0x11ab4836)
ClickHouse#7 std::__1::__function::__alloc_func<DB::PipelineExecutor::addJob(DB::ExecutingGraph::Node*)::$_0, std::__1::allocator<DB::PipelineExecutor::addJob(DB::ExecutingGraph::Node*)::$_0>, void ()>::operator()() /build/obj-x86_64-linux-gnu/../contrib/libcxx/include/functional:1540:16 (clickhouse+0x11ab4836)
ClickHouse#8 std::__1::__function::__func<DB::PipelineExecutor::addJob(DB::ExecutingGraph::Node*)::$_0, std::__1::allocator<DB::PipelineExecutor::addJob(DB::ExecutingGraph::Node*)::$_0>, void ()>::operator()() /build/obj-x86_64-linux-gnu/../contrib/libcxx/include/functional:1714:12 (clickhouse+0x11ab4836)
ClickHouse#9 std::__1::__function::__value_func<void ()>::operator()() const /build/obj-x86_64-linux-gnu/../contrib/libcxx/include/functional:1867:16 (clickhouse+0x11ab2801)
ClickHouse#10 std::__1::function<void ()>::operator()() const /build/obj-x86_64-linux-gnu/../contrib/libcxx/include/functional:2473:12 (clickhouse+0x11ab2801)
ClickHouse#11 DB::PipelineExecutor::executeStepImpl(unsigned long, unsigned long, std::__1::atomic<bool>*) /build/obj-x86_64-linux-gnu/../src/Processors/Executors/PipelineExecutor.cpp:561:17 (clickhouse+0x11ab2801)
ClickHouse#12 DB::PipelineExecutor::executeSingleThread(unsigned long, unsigned long) /build/obj-x86_64-linux-gnu/../src/Processors/Executors/PipelineExecutor.cpp:477:5 (clickhouse+0x11ab538b)
ClickHouse#13 DB::PipelineExecutor::executeImpl(unsigned long)::$_4::operator()() const /build/obj-x86_64-linux-gnu/../src/Processors/Executors/PipelineExecutor.cpp:736:21 (clickhouse+0x11ab538b)
ClickHouse#14 decltype(std::__1::forward<DB::PipelineExecutor::executeImpl(unsigned long)::$_4&>(fp)()) std::__1::__invoke_constexpr<DB::PipelineExecutor::executeImpl(unsigned long)::$_4&>(DB::PipelineExecutor::executeImpl(unsigned long)::$_4&) /build/obj-x86_64-linux-gnu/../contrib/libcxx/include/type_traits:3525:1 (clickhouse+0x11ab538b)
ClickHouse#15 decltype(auto) std::__1::__apply_tuple_impl<DB::PipelineExecutor::executeImpl(unsigned long)::$_4&, std::__1::tuple<>&>(DB::PipelineExecutor::executeImpl(unsigned long)::$_4&, std::__1::tuple<>&, std::__1::__tuple_indices<>) /build/obj-x86_64-linux-gnu/../contrib/libcxx/include/tuple:1415:1 (clickhouse+0x11ab538b)
ClickHouse#16 decltype(auto) std::__1::apply<DB::PipelineExecutor::executeImpl(unsigned long)::$_4&, std::__1::tuple<>&>(DB::PipelineExecutor::executeImpl(unsigned long)::$_4&, std::__1::tuple<>&) /build/obj-x86_64-linux-gnu/../contrib/libcxx/include/tuple:1424:1 (clickhouse+0x11ab538b)
ClickHouse#17 ThreadFromGlobalPool::ThreadFromGlobalPool<DB::PipelineExecutor::executeImpl(unsigned long)::$_4>(DB::PipelineExecutor::executeImpl(unsigned long)::$_4&&)::'lambda'()::operator()() /build/obj-x86_64-linux-gnu/../src/Common/ThreadPool.h:178:13 (clickhouse+0x11ab538b)
ClickHouse#18 decltype(std::__1::forward<DB::PipelineExecutor::executeImpl(unsigned long)::$_4>(fp)()) std::__1::__invoke<ThreadFromGlobalPool::ThreadFromGlobalPool<DB::PipelineExecutor::executeImpl(unsigned long)::$_4>(DB::PipelineExecutor::executeImpl(unsigned long)::$_4&&)::'lambda'()&>(DB::PipelineExecutor::executeImpl(unsigned long)::$_4&&) /build/obj-x86_64-linux-gnu/../contrib/libcxx/include/type_traits:3519:1 (clickhouse+0x11ab538b)
ClickHouse#19 void std::__1::__invoke_void_return_wrapper<void>::__call<ThreadFromGlobalPool::ThreadFromGlobalPool<DB::PipelineExecutor::executeImpl(unsigned long)::$_4>(DB::PipelineExecutor::executeImpl(unsigned long)::$_4&&)::'lambda'()&>(DB::PipelineExecutor::executeImpl(unsigned long)::$_4&&...) /build/obj-x86_64-linux-gnu/../contrib/libcxx/include/__functional_base:348:9 (clickhouse+0x11ab538b)
ClickHouse#20 std::__1::__function::__alloc_func<ThreadFromGlobalPool::ThreadFromGlobalPool<DB::PipelineExecutor::executeImpl(unsigned long)::$_4>(DB::PipelineExecutor::executeImpl(unsigned long)::$_4&&)::'lambda'(), std::__1::allocator<ThreadFromGlobalPool::ThreadFromGlobalPool<DB::PipelineExecutor::executeImpl(unsigned long)::$_4>(DB::PipelineExecutor::executeImpl(unsigned long)::$_4&&)::'lambda'()>, void ()>::operator()() /build/obj-x86_64-linux-gnu/../contrib/libcxx/include/functional:1540:16 (clickhouse+0x11ab538b)
ClickHouse#21 std::__1::__function::__func<ThreadFromGlobalPool::ThreadFromGlobalPool<DB::PipelineExecutor::executeImpl(unsigned long)::$_4>(DB::PipelineExecutor::executeImpl(unsigned long)::$_4&&)::'lambda'(), std::__1::allocator<ThreadFromGlobalPool::ThreadFromGlobalPool<DB::PipelineExecutor::executeImpl(unsigned long)::$_4>(DB::PipelineExecutor::executeImpl(unsigned long)::$_4&&)::'lambda'()>, void ()>::operator()() /build/obj-x86_64-linux-gnu/../contrib/libcxx/include/functional:1714:12 (clickhouse+0x11ab538b)
ClickHouse#22 std::__1::__function::__value_func<void ()>::operator()() const /build/obj-x86_64-linux-gnu/../contrib/libcxx/include/functional:1867:16 (clickhouse+0x8346263)
ClickHouse#23 std::__1::function<void ()>::operator()() const /build/obj-x86_64-linux-gnu/../contrib/libcxx/include/functional:2473:12 (clickhouse+0x8346263)
ClickHouse#24 ThreadPoolImpl<std::__1::thread>::worker(std::__1::__list_iterator<std::__1::thread, void*>) /build/obj-x86_64-linux-gnu/../src/Common/ThreadPool.cpp:236:17 (clickhouse+0x8346263)
ClickHouse#25 void ThreadPoolImpl<std::__1::thread>::scheduleImpl<void>(std::__1::function<void ()>, int, std::__1::optional<unsigned long>)::'lambda1'()::operator()() const /build/obj-x86_64-linux-gnu/../src/Common/ThreadPool.cpp:117:73 (clickhouse+0x8349ea8)
ClickHouse#26 decltype(std::__1::forward<void>(fp)(std::__1::forward<void ThreadPoolImpl<std::__1::thread>::scheduleImpl<void>(std::__1::function<void ()>, int, std::__1::optional<unsigned long>)::'lambda1'()>(fp0)...)) std::__1::__invoke<void ThreadPoolImpl<std::__1::thread>::scheduleImpl<void>(std::__1::function<void ()>, int, std::__1::optional<unsigned long>)::'lambda1'()>(void&&, void ThreadPoolImpl<std::__1::thread>::scheduleImpl<void>(std::__1::function<void ()>, int, std::__1::optional<unsigned long>)::'lambda1'()&&...) /build/obj-x86_64-linux-gnu/../contrib/libcxx/include/type_traits:3519:1 (clickhouse+0x8349ea8)
ClickHouse#27 void std::__1::__thread_execute<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct> >, void ThreadPoolImpl<std::__1::thread>::scheduleImpl<void>(std::__1::function<void ()>, int, std::__1::optional<unsigned long>)::'lambda1'()>(std::__1::tuple<void, void ThreadPoolImpl<std::__1::thread>::scheduleImpl<void>(std::__1::function<void ()>, int, std::__1::optional<unsigned long>)::'lambda1'()>&, std::__1::__tuple_indices<>) /build/obj-x86_64-linux-gnu/../contrib/libcxx/include/thread:273:5 (clickhouse+0x8349ea8)
ClickHouse#28 void* std::__1::__thread_proxy<std::__1::tuple<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct> >, void ThreadPoolImpl<std::__1::thread>::scheduleImpl<void>(std::__1::function<void ()>, int, std::__1::optional<unsigned long>)::'lambda1'()> >(void*) /build/obj-x86_64-linux-gnu/../contrib/libcxx/include/thread:284:5 (clickhouse+0x8349ea8)
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@KochetovNicolai according to git blame you are the original author, can you please take a look? |
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Looks like this pr fixes possible race on RemoteQueryExecutor::was_cancelled, which made possible RemoteQueryExecutor::read call happen after RemoteQueryExecutor::cancel. This could cause extra unnecessary network error.
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This was referenced Nov 17, 2020
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Hm, intersting, this does not fixes the 01247_optimize_distributed_group_by_sharding_key completely, here (after rebase against upstream/master it includes this patches) it failed again, but I'll give it some thought |
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Nov 19, 2020
Backport #17006 to 20.11: Fix Distributed queries finishing (avoid connection resets)
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Nov 30, 2020
Backport #17006 to 20.8: Fix Distributed queries finishing (avoid connection resets)
KochetovNicolai
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Nov 30, 2020
Backport #17006 to 20.10: Fix Distributed queries finishing (avoid connection resets)
KochetovNicolai
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Nov 30, 2020
Backport #17006 to 20.9: Fix Distributed queries finishing (avoid connection resets)
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Changelog category (leave one):
Changelog entry (a user-readable short description of the changes that goes to CHANGELOG.md):
Avoid unnecessary network errors for remote queries which may be cancelled while execution, like queries with
LIMIT.Related failures of the 01247_optimize_distributed_group_by_sharding_key should be fixed by this patches: