[jira] [Work logged] (HIVE-27097) Improve the retry strategy for Metastore client and server

Sat, 18 Mar 2023 23:23:04 -0700 


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https://issues.apache.org/jira/browse/HIVE-27097?focusedWorklogId=851629&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-851629
 ]

ASF GitHub Bot logged work on HIVE-27097:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 19/Mar/23 06:22
            Start Date: 19/Mar/23 06:22
    Worklog Time Spent: 10m 
      Work Description: sonarcloud[bot] commented on PR #4076:
URL: https://github.com/apache/hive/pull/4076#issuecomment-1475121659

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Issue Time Tracking
-------------------

    Worklog Id:     (was: 851629)
    Time Spent: 2h 20m  (was: 2h 10m)

> Improve the retry strategy for Metastore client and server
> ----------------------------------------------------------
>
>                 Key: HIVE-27097
>                 URL: https://issues.apache.org/jira/browse/HIVE-27097
>             Project: Hive
>          Issue Type: Improvement
>          Components: Hive
>    Affects Versions: 4.0.0-alpha-2
>            Reporter: Wechar
>            Assignee: Wechar
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 2h 20m
>  Remaining Estimate: 0h
>
> *Background*
> Hive provides *{{RetryingMetaStoreClient}}* and *{{RetryingHMSHandler}}* to 
> do retry when thrift request failed:
>  * RetryingMetaStoreClient will retry for *thrift related exception* and some 
> *MetaException*
>  * RetryingHMSHandler will retry for all {*}JDOException{*} or 
> *NucleusException*.
> *Motivation*
> Current retry mechanism will lead to many unnecessary retries in both client 
> and server. To simplify the process, we introduce following retry mechanism:
>  * Client side only concerns the error of communication, i.e., 
> {*}TTransportException{*}.
>  * Server side can skip some exceptions which always turn to fail even with 
> retry, like {*}SQLIntegrityConstraintViolationException{*}.



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