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fix(ddl_client): sleep for a while before retry once meta server is busy - #1453
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…ceiving ERR_BUSY_* from meta server
…ceiving ERR_BUSY_* from meta server
…NG sleep for a while before retry
…NG sleep for a while before retry
…NG sleep for a while before retry
…NG sleep for a while before retry
…NG sleep for a while before retry
…NG sleep for a while before retry
…NG sleep for a while before retry
…NG sleep for a while before retry
…NG sleep for a while before retry
acelyc111
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Apr 18, 2023
…NG sleep for a while before retry
…NG sleep for a while before retry
…NG sleep for a while before retry
…NG sleep for a while before retry
…NG sleep for a while before retry
acelyc111
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Apr 19, 2023
levy5307
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Apr 20, 2023
empiredan
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April 20, 2023 03:11
…NG sleep for a while before retry
…NG sleep for a while before retry
…NG sleep for a while before retry
…NG sleep for a while before retry
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April 23, 2023 14:02
acelyc111
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…erver is busy https://jira.sensorsdata.cn/browse/SKV-618 社区issue：apache#1449 社区pr：apache#1453 Under some circumstances, creating/dropping table might spend more time, which could even be greater than RPC timeout. Then, once DDL client launched another requests to meta server, it would receive `ERR_BUSY_CREATING` or `ERR_BUSY_DROPPING`. Between these two attempts there is no interval, thus these attempts are ineffective. Therefore, a retry mechanism is introduced to resolve this problem: - the max number of attempts is configurable; - the retry mechanism for failed sending request to meta server due to `ERR_NETWORK_FAILURE` or `ERR_TIMEOUT` is unchanged, and the max number of attempts is restrict by the configuration; - once response is `ERR_BUSY_CREATING` or `ERR_BUSY_DROPPING`, DDL client would also retry, and between two attempts there is an configurable interval.
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#1449
Under some circumstances, creating/dropping table might spend more time,
which could even be greater than RPC timeout. Then, once DDL client launched
another requests to meta server, it would receive
ERR_BUSY_CREATINGorERR_BUSY_DROPPING. Between these two attempts there is no interval, thusthese attempts are ineffective.
Therefore, a retry mechanism is introduced to resolve this problem:
ERR_NETWORK_FAILUREorERR_TIMEOUTis unchanged, and the maxnumber of attempts is restrict by the configuration;
ERR_BUSY_CREATINGorERR_BUSY_DROPPING, DDLclient would also retry, and between two attempts there is an configurable
interval.
Some new configurations are added: