Clickhouse 连接错误次数

警告
本文最后更新于 2021-07-07,文中内容可能已过时。

问题:

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>     DBI::dbSendQuery(conn, sql)
Error in select(conn@ptr, statement) :
DB::Exception: All attempts to get table structure failed. Log:
Code: 279, e.displayText() = DB::NetException: All connection tries failed. Log:
Code: 209, e.displayText() = DB::NetException: Timeout: connect timed out: 10.20.140.3:9000 (10.20.140.3:9000) (version 21.4.7.3 (official bui
ld))
Code: 209, e.displayText() = DB::NetException: Timeout: connect timed out: 10.20.140.3:9000 (10.20.140.3:9000) (version 21.4.7.3 (official bui
ld))
Code: 209, e.displayText() = DB::NetException: Timeout: connect timed out: 10.20.140.3:9000 (10.20.140.3:9000) (version 21.4.7.3 (official bui
ld))

解决方案参考:Inconsistent behaviour of Distributed table engine and remote table function when called with cluster and with list of addresses

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SET connections_with_failover_max_tries = 5

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