clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Manage disks & storage policies without restarting
- Clickhouse-client successfully connects to the server using TLS when all protocols are disabled in clickhouse-client config.
- Special function to invalidate a dictionary key
- s3 storage policy - store data in a folder matching the table name
- TTL for columns works slower than CLEAR COLUMN
- (Sharded) Dictionaries reload by parts
- partial GROUP BY key for optimize_aggregation_in_order is really slow
- Empty index column name causes error with Clickhouse CSV file processing
- multiFuzzyMatchAny produces results where edit distance is greater than limit specified
- Add ability to query what a node's max_server_memory_usage was set to.
- Docs
- C++ not yet supported