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ClickHouse® is a real-time analytics DBMS
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ASan founds [1]: ==553== ERROR: AddressSanitizer: heap-use-after-free on address 0x61e004694080 at pc 0x000029150af2 bp 0x7f70b3f8ef10 sp 0x7f70b3f8ef08 READ of size 8 at 0x61e004694080 thread T477 (QueryPipelineEx) 0 0x29150af1 in DB::MergeTreeDataWriter::writeTempPart() > 1 0x293b8e43 in DB::MergeTreeSink::consume(DB::Chunk) obj-x86_64-linux-gnu/../src/Storages/MergeTree/MergeTreeSink.cpp:27:65 2 0x29dac73b in DB::SinkToStorage::onConsume(DB::Chunk) obj-x86_64-linux-gnu/../src/Processors/Sinks/SinkToStorage.cpp:18:5 3 0x29c72dd2 in DB::ExceptionKeepingTransform::work()::$_1::operator()() const obj-x86_64-linux-gnu/../src/Processors/Transforms/ExceptionKeepingTransform.cpp:151:51 0x61e004694080 is located 2048 bytes inside of 2480-byte region [0x61e004693880,0x61e004694230) freed by thread T199 (BgSchPool) here: ... 4 0x26220f20 in DB::DatabaseCatalog::TableMarkedAsDropped::~TableMarkedAsDropped() obj-x86_64-linux-gnu/../src/Interpreters/DatabaseCatalog.h:248:12 5 0x26220f20 in DB::DatabaseCatalog::dropTableDataTask() obj-x86_64-linux-gnu/../src/Interpreters/DatabaseCatalog.cpp:908:1 [1]: https://s3.amazonaws.com/clickhouse-test-reports/33201/4f04d6af61eabf4899eb8188150dc862aaab80fc/stress_test__address__actions_.html There was a fix in #32572, but it was not complete (yes it reduced the race window a lot, but not completely), since the inner table still can go away after the INSERT chain was built, to fix this obtain the reference earlier. Follow-up for: #32572 (cc @tavplubix) |
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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 a quick high-level overview of ClickHouse on the main page.
- Tutorial shows how to set up and query a 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 chatting 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.