ClickHouse® is a real-time analytics DBMS
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Azat Khuzhin b7ba0b64dc Reset signal handlers just before closing signal pipe to avoid EBADF after
stack trace:

    (gdb) bt
    0  0x00007ffff7dda355 in raise () from /usr/lib/libc.so.6
    1  0x00007ffff7dc3853 in abort () from /usr/lib/libc.so.6
    2  0x0000000013a78180 in abort_message (format=format@entry=0x5781e10 "terminate_handler unexpectedly threw an exception") at abort_message.cpp:76
    3  0x0000000013a899ff in std::__terminate (func=<optimized out>) at cxa_handlers.cpp:67
    4  0x0000000013a771a1 in __cxxabiv1::call_terminate (native_exception=native_exception@entry=true, unwind_exception=unwind_exception@entry=0x7ffff70e9060) at cxa_personality.cpp:323
    5  0x0000000013a77669 in __cxxabiv1::scan_eh_tab (results=..., actions=<optimized out>, native_exception=native_exception@entry=true, unwind_exception=0x7ffff70e9060, context=context@entry=0x7fffffffc3a0) at cxa_personality.cpp:887
    6  0x0000000013a77bde in __cxxabiv1::__gxx_personality_v0 (version=<optimized out>, actions=<optimized out>, exceptionClass=<optimized out>, unwind_exception=0x7ffff70e9060, context=0x7fffffffc3a0) at cxa_personality.cpp:969
    7  0x0000000013a962d7 in unwind_phase1 (exception_object=0x7ffff70e9060, cursor=0x7fffffffc3a0, uc=0x7fffffffc2f0) at UnwindLevel1.c:98
    8  _Unwind_RaiseException (exception_object=exception_object@entry=0x7ffff70e9060) at UnwindLevel1.c:363
    9  0x0000000013a8929b in __cxxabiv1::__cxa_rethrow () at cxa_exception.cpp:607
    10 0x000000000f170ad2 in DB::WriteBuffer::next (this=0x7fffffffc510) at WriteBuffer.h:52
    11 writeSignalIDtoSignalPipe (sig=<optimized out>) at BaseDaemon.cpp:111
    12 <signal handler called>
    13 0x00007ffff7e9895b in munmap () from /usr/lib/libc.so.6
    14 0x00007ffff7f7e255 in free_stacks () from /usr/lib/libpthread.so.0
    15 0x00007ffff7f7e6aa in __deallocate_stack () from /usr/lib/libpthread.so.0
    16 0x00007ffff7f80898 in __pthread_clockjoin_ex () from /usr/lib/libpthread.so.0
    17 0x0000000013a759f7 in std::__1::__libcpp_thread_join (__t=0x7fff0aa2b090) at __threading_support:409
    18 std::__1:🧵:join (this=this@entry=0x7fff0aa2b090) at thread.cpp:56
    19 0x000000000a4c9399 in ThreadPoolImpl<std::__1::thread>::finalize (this=this@entry=0x7ffff7053900) at list:355
    20 0x000000000a4c9426 in ThreadPoolImpl<std::__1::thread>::~ThreadPoolImpl (this=0x7ffff7053900, __in_chrg=<optimized out>) at ThreadPool.cpp:172
    21 0x000000000a4c8a9c in GlobalThreadPool::~GlobalThreadPool (this=0x7ffff7053900, __in_chrg=<optimized out>) at ThreadPool.h:132
    22 std::__1::default_delete<GlobalThreadPool>::operator() (__ptr=0x7ffff7053900, this=<optimized out>) at memory:2363
    23 std::__1::unique_ptr<GlobalThreadPool, std::__1::default_delete<GlobalThreadPool> >::reset (__p=0x0, this=<optimized out>) at memory:2618
    24 std::__1::unique_ptr<GlobalThreadPool, std::__1::default_delete<GlobalThreadPool> >::~unique_ptr (this=<optimized out>, __in_chrg=<optimized out>) at memory:2572
    25 0x00007ffff7ddcc57 in __run_exit_handlers () from /usr/lib/libc.so.6
    26 0x00007ffff7ddcdfe in exit () from /usr/lib/libc.so.6
    27 0x00007ffff7dc5009 in __libc_start_main () from /usr/lib/libc.so.6
    28 0x000000000a48702e in _start () at new:340
2020-08-13 23:12:36 +03:00
.github [anchore] more detailed Dockerfile scan reports (#12159) 2020-07-06 11:19:48 +03:00
base Reset signal handlers just before closing signal pipe to avoid EBADF after 2020-08-13 23:12:36 +03:00
benchmark Additions 2020-07-29 00:42:33 +03:00
cmake Auto version update to [20.8.1.1] [54438] 2020-08-07 21:45:49 +03:00
contrib Embed configs into binary 2020-08-08 06:42:42 +03:00
debian Auto version update to [20.8.1.1] [54438] 2020-08-07 21:45:49 +03:00
docker Auto version update to [20.8.1.1] [54438] 2020-08-07 21:45:49 +03:00
docs DOCSUP-791: Docs for optimize_read_in_order setting (#12611) 2020-08-10 16:33:39 +03:00
programs Fix build 2020-08-09 05:16:55 +03:00
src Merge pull request #13495 from vitlibar/fix-getting-query-settings 2020-08-10 16:28:55 +03:00
tests Update synthetic_hardware_benchmark.xml 2020-08-10 20:16:23 +03:00
utils Merge pull request #13489 from nikitamikhaylov/changelog-script 2020-08-09 01:38:17 +03:00
website [docs] improve code blocks padding 2020-08-10 18:45:09 +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 Decreased warning threshold [#MOBMET-3248] 2016-06-07 11:23:15 +03:00
.gitignore Updated gitignore-files. 2020-08-06 18:05:32 -07:00
.gitmodules Forked some submodules 2020-08-05 17:41:36 +03:00
.potato.yml Update comments in .potato.yml 2019-10-20 12:50:33 +08:00
.vimrc Changed tabs to spaces in editor configs and in style guide [#CLICKHOUSE-3]. 2017-04-01 11:35:09 +03:00
AUTHORS Update AUTHORS 2020-01-23 17:36:05 +03:00
CHANGELOG.md Update CHANGELOG.md 2020-08-10 16:20:29 +03:00
CMakeLists.txt Merge branch 'master' into embed-configs 2020-08-09 02:41:44 +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 2020-01-23 17:38:30 +03:00
PreLoad.cmake Disable ninja for CLion 2019-09-11 10:23:20 +03:00
README.md Update README.md 2020-08-07 04:55:00 +03:00
release Added auto-generated machine-readable file with list of stable versions 2020-05-02 21:53:55 +03:00
SECURITY.md [security docs] actually, only admins can create advisories 2020-07-10 16:51:37 +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

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.

  • 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.
  • Yandex.Messenger channel shares announcements and useful links in Russian.
  • 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.

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