clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- clickhouse-keeper dynamic cluster reconfiguration fail
- Code 173: CANNOT_ALLOCATE_MEMORY
- Possible crash with async sockets (likely due to async_query_sending_for_remote)
- JOIN alias column rename t1 JOIN t2 AS b(a,b)
- When using distributed writing, data may be distributed to nodes that are offline, resulting in data retaining in the local filesystem.
- Adding TLS/openssl config to running clickhouse server causes configuration error
- For writing to ClickHouse, is there a server-side solution for attaching the storage file after writing it? If so, is there a related k8s high availability solution?
- Pretty formats: if a column name is long, truncate it in the middle
- `NOT_FOUND_COLUMN_IN_BLOCK` while pushing to view with new analyzer
- Secondary index application for MergeTree readers and early exit for order by+limit
- Docs
- C++ not yet supported