clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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Help out
- Issues
- Fix UnityCatalog to support streaming and materialized table types
- Graceful fallback when `renameat2(RENAME_EXCHANGE)` is not supported by the filesystem
- Replace ExpressionAnalyzer with Analyzer for standalone expression compilation
- Add named collection support for DataLakeCatalog
- Properly collect profile events in scopes
- Columns Cache
- Configuration-defined workloads and resources across multiple config files not merged
- Use MinMax filter as join runtime filter for numeric types
- I experience query slowness when dictionaries are reloading - only for queries which use dictionary. Can lock contention in a destructor be the cause?
- Document how to process response blocks in parallel
- Docs
- C++ not yet supported