clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- PK Join on a large table is extremly SLOW
- Aggregating metrics for parallel replicas on the initiator node
- S3 Function dependency of space characters
- Fix(asan) v2 : access destroyed shared context from handleCrash()
- If a large amount of data appears in the system.replication_queue table and they does not disappear for a long time!
- With analyzer on restriction joined_subquery_requires_alias is not working
- CREATE ALIAS my_alias FOR TABLE my_table
- Develop a ClickHouse Codebase guide for faster development for new and experienced contributors
- `optimize_aggregation_in_order` is ignored when calculating an aggregate function from a column in table's `ORDER BY`
- Flaky test `01526_max_untracked_memory`
- Docs
- C++ not yet supported