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ClickHouse® is a real-time analytics DBMS
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0b58a149d2
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Azat Khuzhin 0b58a149d2 clickhouse-test: send TERM to all childs (to avoid hung check triggering) 
This is another try of not leaving child processes in clickhouse-test,
first one was in [1] by @akuzm:

  "I tried to do this earlier with a separate process group + atexit callbacks:
  573983d407 (diff-3a359de18cacf146f406a7ae332fb47196aa5e0aa430eb4b157a202a3cb8e6e3R578)

  But that commit was later reverted because it also tried to switch to
  multithreading instead of multiprocessing, and that didn't go good.
  SIG_IGN and SIG_DFL were broken then
  (https://bugs.python.org/issue23395), now they are fixed but not quite
  but maybe it's not relevant for us."

I looked (only briefly) through that bug report in python, but I don't
see any issues with killing child processes during testing this patch.

Plus to me it is better to get some unknown python error (and fix it
somehow) instead of leaving child processes.

v2: correctly catch INT/TERM/HUP too
2021-05-01 08:46:59 +03:00
.github Update 40_bug-report.md 2021-04-28 06:53:00 +03:00
base Merge pull request #23786 from kitaisreal/add-examples-folder-filter-to-ya-make-in 2021-04-30 15:27:54 +03:00
benchmark Convert to python3 (#15007) 2020-10-02 19:54:07 +03:00
cmake Merge pull request #23664 from azat/msan-dtor 2021-04-30 21:51:28 +03:00
contrib Update llvm to avoid MSan in IR::User 2021-04-29 21:06:38 +03:00
debian Remove pbuilder 2021-04-25 06:32:15 +03:00
docker Merge pull request #23664 from azat/msan-dtor 2021-04-30 21:51:28 +03:00
docs Update install.md 2021-04-30 15:23:12 +02:00
programs Merge pull request #23746 from oxidecomputer/master 2021-04-30 13:15:52 +03:00
src Merge pull request #23805 from ClickHouse/fix-hedged-requests-ext-tables 2021-05-01 08:13:13 +03:00
tests clickhouse-test: send TERM to all childs (to avoid hung check triggering) 2021-05-01 08:46:59 +03:00
utils Update version_date.tsv after release 21.3.9.83 2021-05-01 00:52:34 +03:00
website Update code-review.md 2021-04-14 23:02:28 +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 Merge branch 'master' of https://github.com/ClickHouse/ClickHouse into nanodbc 2021-04-11 21:36:08 +00:00
.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 Update CHANGELOG.md 2021-04-14 01:32:31 +03:00
CMakeLists.txt Follow-up for #23644 2021-04-28 07:32:23 +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 link 2021-03-22 18:29:19 +03:00
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.