clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Small speed improvement for Levensthein distance
- Add system.delta_lake_history table for Delta Lake version history
- Add profile events to estimate the effect of PREWHERE
- [CI crash] Clearing old parts from filesystem during merge tree operation
- Add metrics and events for outgoing postgresql connections
- ClickHouse roadmap 2026
- Storage with manifest
- Test `test_database_iceberg_lakekeeper_catalog` is flaky
- Token-based authentication 1: JWT + JWKS
- Added the default query parameters
- Docs
- C++ not yet supported