clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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Help out
- Issues
- Add dictionary metrics to `asynchronous_metrics`
- rework pushing to views
- Integration with `quill` logging library
- Try to improve radix sort with memory prefetching
- Add support for hive partition style writes
- Apply statistics to estimate table sizes in joins
- add logic of numeric index vector, implemented by bsi and bitmap. --issue=#70582
- Proper Materialized views startup dependencies
- Add feature to impersonate/proxy user sessions
- A new parquet reader that supports filter push down, which improves the total time on clickbench by 50+% compared to arrow parquet reader
- Docs
- C++ not yet supported