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ClickHouse® is a real-time analytics DBMS
4dfffdd24a
Otherwise the following can happen after reboot:
2019.11.01 11:46:12.217143 [ 187 ] {} <Error> dist.Distributed.DirectoryMonitor: Code: 27, e.displayText() = DB::Exception: Cannot parse input: expected \n before: S\'^A\0^]\0\0<BE>4^A\0r<87>\0\0<A2><D7>^D^Y\0<F2>{^E<CD>\0\0Hy\0\0<F2>^_^C\0^_&\0\0<FF><D3>\0\0
<8D><91>\0\0<C0>9\0\0<C0><B0>^A\0^G<AA>\0\0<B5><FE>^A\0<BF><A7>^A\0<9B><CB>^A\0I^R^A\0<B7><AB>^A\0<BC><8F>\0\0˲^B\0Zy\0\0<94><AA>\0\0<98>
<8F>\0\0\f<A5>\0\0^QN\0\0<E3><C6>\0\0<B1>6^B\0ɳ\0\0W<99>\0\0<B9><A2>\0\0:<BB>\0\0)<B1>\0\0#<8B>\0\0aW\0\0<ED>#\0\0<F1>@\0\0ˀ^B\0<D7><FC>\0\0<DF>, Stack trace:
0. 0x559e27222e60 StackTrace::StackTrace() /usr/bin/clickhouse
1. 0x559e27222c45 DB::Exception::Exception(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, int) /usr/bin/clickhouse
2. 0x559e26de4473 ? /usr/bin/clickhouse
3. 0x559e272494b5 DB::assertString(char const*, DB::ReadBuffer&) /usr/bin/clickhouse
4. 0x559e2a5dab45 DB::StorageDistributedDirectoryMonitor::processFilesWithBatching(std::map<unsigned long, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::less<unsigned long>, std::allocator<std::pair<unsigned long const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > > const&) /usr/bin/clickhouse
5. 0x559e2a5db5fa DB::StorageDistributedDirectoryMonitor::processFiles() /usr/bin/clickhouse
6. 0x559e2a5dba78 DB::StorageDistributedDirectoryMonitor::run() /usr/bin/clickhouse
7. 0x559e2a5ddbbc ThreadFromGlobalPool::ThreadFromGlobalPool<void (DB::StorageDistributedDirectoryMonitor::*)(), DB::StorageDistributedDirectoryMonitor*>(void (DB::StorageDistributedDirectoryMonitor::*&&)(), DB::StorageDistributedDirectoryMonitor*&&)::{lambda()#1}::operator()() const /usr/bin/clickhouse
8. 0x559e2726b07c ThreadPoolImpl<std::thread>::worker(std::_List_iterator<std::thread>) /usr/bin/clickhouse
9. 0x559e2bbc3640 ? /usr/bin/clickhouse
10. 0x7fbd62b3cfb7 start_thread /lib/x86_64-linux-gnu/libpthread-2.29.so
11. 0x7fbd62a692ef __clone /lib/x86_64-linux-gnu/libc-2.29.so
(version 19.17.1.1)
v2: remove fsync, to avoid possible stalls (https://github.com/ClickHouse/ClickHouse/pull/7600#discussion_r342010874)
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| contrib | ||
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| docs | ||
| libs | ||
| utils | ||
| website | ||
| .clang-format | ||
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| .gitignore | ||
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| .gitmodules | ||
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| AUTHORS | ||
| CHANGELOG.md | ||
| CMakeLists.txt | ||
| CONTRIBUTING.md | ||
| docker-compose.yml | ||
| format_sources | ||
| LICENSE | ||
| PreLoad.cmake | ||
| README.md | ||
| release | ||
| SECURITY.md | ||
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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
- ClickHouse Meetup in Tokyo on November 14.
- ClickHouse Meetup in Istanbul on November 19.
- ClickHouse Meetup in Ankara on November 21.
- ClickHouse Meetup in Singapore on November 23.
- ClickHouse Meetup in San Francisco on December 3.