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ClickHouse® is a real-time analytics DBMS
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Azat Khuzhin ac1ff225a3 Revert "Cleanup 01594_too_low_memory_limits (by using clientError)" 
--testmode can't be used since this disables logging while the
failed allocation comes from:

    2021.06.04 09:54:49.576479 [ 31070 ] {} <Error> ServerErrorHandler: Code: 241, e.displayText() = DB::Exception: Memory limit (for query) exceeded: would use 2.01 MiB (attempt to allocate chunk of 4096 bytes), maximum: 1.00 B, Stack trace (when copying this message, always include the lines below):

    0. /src/ch/clickhouse/.cmake/../contrib/libcxx/include/exception:133: std::exception::capture() @ 0xe2d88 in /src/ch/clickhouse/.cmake/programs/server/libclickhouse-server-libd.so
    1. /src/ch/clickhouse/.cmake/../contrib/libcxx/include/exception:111: std::exception::exception() @ 0x1e9b92 in /src/ch/clickhouse/.cmake/contrib/poco-cmake/Foundation/lib_poco_foundationd.so
    2. /src/ch/clickhouse/.cmake/../contrib/poco/Foundation/src/Exception.cpp:28: Poco::Exception::Exception(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, int) @ 0x1dd943 in /src/ch/clickhouse/.cmake/contrib/poco-cmake/Foundation/lib_poco_foundationd.so
    3. /src/ch/clickhouse/.cmake/../src/Common/Exception.cpp:59: DB::Exception::Exception(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, int, bool) @ 0x2aaffd in /src/ch/clickhouse/.cmake/src/libclickhouse_common_iod.so
    4. /src/ch/clickhouse/.cmake/../src/Common/Exception.h:40: DB::Exception::Exception<char const*, char const*, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, long&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >(int, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, char const*&&, char const*&&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >&&, long&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >&&) @ 0x2ebef0 in /src/ch/clickhouse/.cmake/src/libclickhouse_common_iod.so
    5. /src/ch/clickhouse/.cmake/../src/Common/MemoryTracker.cpp:226: MemoryTracker::allocImpl(long, bool) @ 0x2eac82 in /src/ch/clickhouse/.cmake/src/libclickhouse_common_iod.so
    6. /src/ch/clickhouse/.cmake/../src/Common/MemoryTracker.cpp:0: MemoryTracker::allocImpl(long, bool) @ 0x2eae3e in /src/ch/clickhouse/.cmake/src/libclickhouse_common_iod.so
    7. /src/ch/clickhouse/.cmake/../src/Common/CurrentMemoryTracker.cpp:47: CurrentMemoryTracker::(anonymous namespace)::allocImpl(long, bool) @ 0x27b621 in /src/ch/clickhouse/.cmake/src/libclickhouse_common_iod.so
    8. /src/ch/clickhouse/.cmake/../src/Common/CurrentMemoryTracker.cpp:61: CurrentMemoryTracker::alloc(long) @ 0x27b541 in /src/ch/clickhouse/.cmake/src/libclickhouse_common_iod.so
    9. /src/ch/clickhouse/.cmake/../src/Common/Allocator.h:96: Allocator<false, false>::alloc(unsigned long, unsigned long) @ 0x274b71 in /src/ch/clickhouse/.cmake/src/libclickhouse_common_iod.so
    10. /src/ch/clickhouse/.cmake/../src/Common/PODArray.h:120: void DB::PODArrayBase<4ul, 4096ul, Allocator<false, false>, 15ul, 16ul>::alloc<>(unsigned long) @ 0x305af3 in /src/ch/clickhouse/.cmake/src/libclickhouse_common_iod.so
    11. /src/ch/clickhouse/.cmake/../src/Common/PODArray.h:146: void DB::PODArrayBase<4ul, 4096ul, Allocator<false, false>, 15ul, 16ul>::realloc<>(unsigned long) @ 0x305cbb in /src/ch/clickhouse/.cmake/src/libclickhouse_common_iod.so
    12. /src/ch/clickhouse/.cmake/../src/Common/PODArray.h:182: void DB::PODArrayBase<4ul, 4096ul, Allocator<false, false>, 15ul, 16ul>::reserveForNextSize<>() @ 0x306010 in /src/ch/clickhouse/.cmake/src/libclickhouse_common_iod.so
    13. /src/ch/clickhouse/.cmake/../src/Common/PODArray.h:0: void DB::PODArray<unsigned int, 4096ul, Allocator<false, false>, 15ul, 16ul>::push_back<unsigned int>(unsigned int&&) @ 0x5423a6a in /src/ch/clickhouse/.cmake/src/AggregateFunctions/libclickhouse_aggregate_functionsd.so
    14. /src/ch/clickhouse/.cmake/../src/Columns/ColumnVector.h:280: DB::ColumnVector<unsigned int>::insert(DB::Field const&) @ 0x3c6422 in /src/ch/clickhouse/.cmake/src/libclickhouse_columnsd.so
    15. /src/ch/clickhouse/.cmake/../base/loggers/OwnSplitChannel.cpp:60: DB::OwnSplitChannel::logSplit(Poco::Message const&) @ 0xa2833 in /src/ch/clickhouse/.cmake/base/loggers/libloggersd.so
    16. /src/ch/clickhouse/.cmake/../base/loggers/OwnSplitChannel.cpp:35: DB::OwnSplitChannel::log(Poco::Message const&) @ 0xa2588 in /src/ch/clickhouse/.cmake/base/loggers/libloggersd.so

This reverts commit 0cecc754709cc774c90269a1dc8653eac8725341.
2021-06-07 09:38:15 +03:00
.github Update 40_bug-report.md 2021-05-31 17:06:28 +03:00
base Use writeRetry in case of exception during writing to the log 2021-06-07 09:38:15 +03:00
benchmark Convert to python3 (#15007) 2020-10-02 19:54:07 +03:00
cmake Remove experimental compression codecs 2021-06-06 02:26:52 +03:00
contrib Remove experimental compression codecs 2021-06-06 02:26:52 +03:00
debian Auto version update to [21.7.1.1] [54452] 2021-05-20 22:23:34 +03:00
docker Merge pull request #24857 from kssenii/postgresql_protocol 2021-06-04 14:43:47 +03:00
docs Update s3.md 2021-06-04 17:41:59 +03:00
programs Add writeRetry helper 2021-06-07 09:38:15 +03:00
src Add writeRetry helper 2021-06-07 09:38:15 +03:00
tests Revert "Cleanup 01594_too_low_memory_limits (by using clientError)" 2021-06-07 09:38:15 +03:00
utils Update version_date.tsv after release 21.6.3.14 2021-06-05 03:03:36 +03:00
website Fix broken HTML markup on website 2021-05-19 02:28:10 +03:00
.arcignore Added .arcignore 2020-05-21 09:17:03 +03:00
.clang-format Fixed wrong code around Memory Profiler 2020-03-03 03:24:44 +03:00
.clang-tidy Enable clang-tidy for programs and utils 2020-05-18 04:19:50 +03:00
.editorconfig Changed tabs to spaces in editor configs and in style guide [#CLICKHOUSE-3]. 2017-04-01 11:35:09 +03:00
.gitattributes Union merge for arcadia_skip_list.txt to avoid frequent conflicts 2021-03-10 08:50:32 +03:00
.gitignore Ignore cmake-in-clickhouse 2021-04-28 18:10:12 +03:00
.gitmodules Remove experimental compression codecs 2021-06-06 02:26:52 +03:00
.potato.yml Fix yamllint issues 2021-02-20 23:25:21 +03:00
.pylintrc Add pylintrc config 2021-01-26 23:35:56 +03:00
.vimrc Changed tabs to spaces in editor configs and in style guide [#CLICKHOUSE-3]. 2017-04-01 11:35:09 +03:00
.yamllint Drop truthy.check-keys from yamllint (does not supported on CI) 2021-02-21 06:15:36 +03:00
AUTHORS Update AUTHORS 2020-01-23 17:36:05 +03:00
CHANGELOG.md Add changelog for 21.6 2021-06-05 02:09:57 +03:00
CMakeLists.txt Remove experimental compression codecs 2021-06-06 02:26:52 +03:00
CODE_OF_CONDUCT.md Add minimal code of conduct #9676 2020-03-16 12:44:28 +03:00
CONTRIBUTING.md Update CONTRIBUTING.md 2020-01-27 21:03:30 +03:00
docker-compose.yml Updated docker-compose.yml #1025 2017-07-26 20:05:32 +03:00
format_sources allow several <graphite> targets (#603) 2017-03-21 23:08:09 +04:00
LICENSE Update LICENSE 2021-01-25 17:00:13 +03:00
PreLoad.cmake Check if XCODE_IDE is true and avoid enforcing ninja in that case 2021-01-06 03:06:03 +04:00
README.md Update README.md 2021-05-26 10:22:04 -07:00
release Remove rotten parts of release script 2021-04-25 02:11:31 +03:00
SECURITY.md Update SECURITY.md (outdated long time ago) 2021-01-21 16:48:28 +03:00
uncrustify.cfg Better .clang-format and uncrustify.cfg 2018-11-29 15:45:34 +03:00
ya.make Changes required for auto-sync with Arcadia 2020-04-16 15:31:57 +03:00

README.md

ClickHouse — open source distributed column-oriented DBMS

ClickHouse® is an open-source column-oriented database management system that allows generating analytical data reports in real time.

Useful Links

  • Official website has quick high-level overview of ClickHouse on main page.
  • Tutorial shows how to set up and query small ClickHouse cluster.
  • Documentation provides more in-depth information.
  • YouTube channel has a lot of content about ClickHouse in video format.
  • Slack and Telegram allow to chat with ClickHouse users in real-time.
  • Blog contains various ClickHouse-related articles, as well as announcements and reports about events.
  • Code Browser with syntax highlight and navigation.
  • Contacts can help to get your questions answered if there are any.
  • You can also fill this form to meet Yandex ClickHouse team in person.

Upcoming Events