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ClickHouse release v21.3.7.62-stable FIXME as compared to v21.3.6.55-lts
Improvement
- Backported in #23014: Set
background_fetches_pool_sizeto 8 that is better for production usage with frequent small insertions or slow ZooKeeper cluster. #22945 (Alexey Milovidov). - Backported in #23081: Raised the threshold on max number of matches in result of the function
extractAllGroupsHorizontal. #23036 (Vasily Nemkov).
Bug Fix
- Backported in #23156: Fixed a bug with unlimited wait for auxiliary AWS requests. #22594 (Vladimir Chebotarev).
- Backported in #23033: Fix error
Cannot find column in ActionsDAG resultwhich may happen if subquery usesuntuple. Fixes #22290. #22991 (Nikolai Kochetov). - Backported in #23075: Remove non-essential details from suggestions in clickhouse-client. This closes #22158. #23040 (Alexey Milovidov).
- Backported in #23170: Some values were formatted with alignment in center in table cells in
Markdownformat. Not anymore. #23096 (Alexey Milovidov).