clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- [WIP] A new parquet reader that supports filter push down, which improves the total time on clickbench by 50+% compared to arrow parquet reader
- 24-alpine Docker tag reverted to 24.3?
- Min-max indices by default
- OPTIMIZE FINAL in parallel for Replicated tables but not for non-Replicated tables
- Table ordering not used while trying to fetch last value as per the order
- RFC: Precreated parts transfer via native protocol
- Inconsistent results of `modulo`
- `ALTER MODIFY INDEX` command
- [Feature] New Aggregate Function Based on Bitmap and BSI (Bit-Sliced Index)
- RFC: Memory tagging by processors
- Docs
- C++ not yet supported