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ClickHouse® is a real-time analytics DBMS
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Azat Khuzhin fcf49a4914 Distributed: Calculate counters for async INSERT at INSERT time 
Previous patch fixes the inaccuracy, but it's done using iterating over
directory on each request (to system.distribution_queue or to check
bytes_to_throw_insert), and like previous patch alredy stated, it may
have pretty huge overhead (especially when you have lots of distributed
files pending).

This patch remove that recalculation (but it will still be done, and
if there is different, there will be a log message), and replace it with
proper account at INSERT time (and after file has been sent, or marked
as broken).
2021-03-03 23:30:03 +03:00
.github Drop truthy.check-keys from yamllint (does not supported on CI) 2021-02-21 06:15:36 +03:00
base Merge pull request #20149 from keen-wolf/timezone_about 2021-02-28 21:53:51 +03:00
benchmark Convert to python3 (#15007) 2020-10-02 19:54:07 +03:00
cmake Fix ccache 4.2+ usage (RULE_LAUNCH_COMPILE/RULE_LAUNCH_LINK was not set) 2021-02-24 21:56:19 +03:00
contrib Merge branch 'master' of github.com:ClickHouse/ClickHouse into hedged-requests 2021-03-02 11:59:32 +03:00
debian Auto version update to [21.3.1.1] [54448] 2021-02-01 12:50:56 +03:00
docker Merge pull request #21381 from ClickHouse/aku/perf-negative 2021-03-03 15:55:14 +03:00
docs Distributed: Add ability to limit amount of pending bytes for async INSERT 2021-03-03 23:30:00 +03:00
programs Merge pull request #21365 from azat/clickhouse-stop-kill-wait 2021-03-03 02:11:17 +03:00
src Distributed: Calculate counters for async INSERT at INSERT time 2021-03-03 23:30:03 +03:00
tests Distributed: More accurate distribution_queue counters 2021-03-03 23:30:03 +03:00
utils Update version_date.tsv after release 20.8.14.4 2021-03-03 16:53:26 +03:00
website Fix idiotic syntax highlight in docs #18432 2021-02-28 04:42:45 +03:00
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.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 ignore data store files 2021-02-17 12:58:17 +08:00
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.vimrc Changed tabs to spaces in editor configs and in style guide [#CLICKHOUSE-3]. 2017-04-01 11:35:09 +03:00
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AUTHORS Update AUTHORS 2020-01-23 17:36:05 +03:00
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CMakeLists.txt Merge branch 'master' into kssenii-pg2ch 2021-01-15 17:33:19 +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
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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.