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https://issues.apache.org/jira/browse/HIVE-26564?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yi Zhang reassigned HIVE-26564:
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> Separate query live operation log and historical operation log
> --------------------------------------------------------------
>
> Key: HIVE-26564
> URL: https://issues.apache.org/jira/browse/HIVE-26564
> Project: Hive
> Issue Type: Improvement
> Components: HiveServer2
> Affects Versions: 4.0.0-alpha-2
> Reporter: Yi Zhang
> Assignee: Yi Zhang
> Priority: Minor
>
> HIVE-24802 added OperationLogManager to support historical operation logs.
> OperationLogManager.createOperationLog creates operation log inside
> historical operation log dir if
> HIVE_SERVER2_HISTORIC_OPERATION_LOG_ENABLED=true. This is confusing, since on
> session level, SessionManager and HiveSession are using original operation
> log session directory.
> Proposed change is to separate live query's operation log and historical
> operation log. Upon operation close, OperationLogManager.closeOperation is
> called to move the operation log from session directory to historical log
> dir. OperationLogManager is only responsible to clean up historical operation
> logs.
> This change also makes it easier to manage historical logs, for example, user
> may want to persist historical logs, it is easier to differentiate live and
> historical operation logs.
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