clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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Help out
- Issues
- Tune performance test query timings to target 100-200ms on CI
- Allow multiple key condition atoms per predicate leaf
- Parser memory CI check
- Randomize tests with DETACH/ATTACH table before query execution
- Add AWS MSK IAM authentication for Kafka table engine
- Move parts from volatile volumes to persistent storage on graceful shutdown
- Improve GLOBAL IN/JOIN performance and respect max_execution_time
- "PREWHERE" for queries with FINAL
- DDLWorker fails task execution with on cluster (since 25.8)
- Detect UTF-16 BOM in CSV/TSV/JSONEachRow input and process it accordingly.
- Docs
- C++ not yet supported