Azat Khuzhin 4f41ebcae3 Add settings (for connections) for MySQL storage engine ... Default settings are not very efficient, since they do not even reuse connections. And when each query requires connection you can have only ~80 QPS, while by simply enabling connection reuse (connection_auto_close=false) you can have ~500 QPS (and by increasing connection_pool_size you can have better QPS throughput). So this patch allows to pass through some connection related settings for the StorageMySQL engine, like: - connection_pool_size=16 - connection_max_tries=3 - connection_auto_close=true v2: remove connection_pool_default_size v3: remove num_tries_on_connection_loss		2021-05-20 22:44:52 +03:00
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engines	Add settings (for connections) for MySQL storage engine	2021-05-20 22:44:52 +03:00
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operations	Merge pull request #23906 from azat/fix-distributed_group_by_no_merge	2021-05-19 16:16:08 +03:00
sql-reference	Fix official website documents error about grant-drop section	2021-05-18 14:58:45 +08:00
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