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ClickHouse® is a real-time analytics DBMS
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Azat Khuzhin 6cb5d0046b
Add missing linking with jemalloc for clickhouse_common_io 
clickhouse_common_io incudes new_delete.cpp, that uses memory.h, which
uses sdallocx (jemalloc).

And since there is -Wl,--no-undefined every undefined symbols are not
allowed, hence clickhouse_common_io must know about sdallocx symbol.

For the default build (-DUNBUNDLED=OFF) everything is good, because
jemalloc is static, and clickhouse_common_io linked with libcommon
(which is linked with jemalloc)

But if jemalloc will be shared, and clickhouse_common_io and libcommon
is different shared libraries then clickhouse_common_io should be linked
with jemalloc, otherwise you will undefined reference to sdallocx error.

This can be reproduced using the following build configuration:
   -DUSE_STATIC_LIBRARIES=OFF -DCLICKHOUSE_SPLIT_BINARY=ON -DSPLIT_SHARED_LIBRARIES=ON -DUNBUNDLED=ON
Provided that you have systemd-wide jemalloc>=4 (see memory.h).

Refs: https://github.com/yandex/ClickHouse/pull/6878#discussion_r324902295
v2: do not link jemalloc if it is static
2019-09-18 21:26:23 +03:00
.github Delete bug_report.md 2019-09-05 11:52:45 +03:00
cmake Build fix 2019-09-11 10:53:56 +08:00
contrib Fix build error when cmake_minimum_required(3.12) 2019-09-10 20:46:39 +08:00
dbms Add missing linking with jemalloc for clickhouse_common_io 2019-09-18 21:26:23 +03:00
debian Auto version update to [19.15.1.1] [54426] 2019-09-06 17:58:33 +03:00
docker Add testname option to stateless and stateful tests 2019-09-16 14:13:22 +03:00
docs Merge branch 'master' into dict_allow_databases 2019-09-15 01:51:44 +03:00
libs Some MemorySanitizer fixes. 2019-09-13 14:49:29 +03:00
utils Print API costs in utils/github 2019-09-06 15:42:15 +03:00
website [website] take upcoming meetups from README.md (#6520) 2019-08-16 16:22:26 +03:00
.clang-format Fix style 2018-12-10 18:50:58 +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 delete BlockInputStreamFromRowInputStream 2019-08-27 21:29:56 +03:00
.gitlab-ci.yml fix ci 2018-02-06 13:13:44 +03:00
.gitmodules Remove mimalloc 2019-08-28 22:01:52 +03:00
.vimrc Changed tabs to spaces in editor configs and in style guide [#CLICKHOUSE-3]. 2017-04-01 11:35:09 +03:00
AUTHORS CLICKHOUSE-2720: progress on website and reference (#886) 2017-06-20 17:19:03 +03:00
CHANGELOG.md Fixed typo (#6942) 2019-09-15 08:06:22 +03:00
CMakeLists.txt Robust shared build 2019-09-12 04:01:46 +08:00
CONTRIBUTING.md Temporary fix for #2558 2018-06-26 16:14:32 +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 Duplicate copyright 2019-07-04 15:03:43 +03:00
PreLoad.cmake Disable ninja for CLion 2019-09-11 10:23:20 +03:00
README.md Add link to Tokyo meetup 2019-09-11 18:19:04 +03:00
release release --rpm: Fix redefining version 2019-06-27 18:37:13 +03:00
SECURITY.md "new" security advisory link leads to 404 for some reason 2019-06-19 12:41:48 +03:00
uncrustify.cfg Better .clang-format and uncrustify.cfg 2018-11-29 15:45:34 +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.
  • Blog contains various ClickHouse-related articles, as well as announces and reports about events.
  • 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