clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- ClickHouse Client Fails to Connect After Upgrading macOS to Sequoia
- High overhead in FiberStack allocator during high load that affects distributed queries performance
- Temporary tables created by Clickhouse can lead to query fail if they exceed max_[table/partition]_size_to_drop
- Unable to `CREATE USER` with appropriate configs set
- Select queries with `array join` and `where 0` reads a lot of rows.
- Clickhouse returns `FILE_DOESNT_EXIST` for hdfs path with wildcards when using `HAVING`
- UPDATE mutation targets all the parts of the table despite specifying a partition ID on replicatedmergetree
- DateTime64 parser bug
- Provide information in the response metada about whether max_rows_to_group_by was breached
- Credentials leaking in BACKUP generated .backup file for incremental backups
- Docs
- C++ not yet supported