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https://issues.apache.org/jira/browse/HIVE-17431?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16208535#comment-16208535
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Siddharth Seth commented on HIVE-17431:
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So. new sessions use new configs (and there's enough checks in place to reset
these sessions / launch new ones if sufficient context changes), and when
there's not sufficient context change, then local reources are added for the
DAG?
Makes sense
> change configuration handling in TezSessionState
> ------------------------------------------------
>
> Key: HIVE-17431
> URL: https://issues.apache.org/jira/browse/HIVE-17431
> Project: Hive
> Issue Type: Bug
> Reporter: Sergey Shelukhin
> Assignee: Sergey Shelukhin
> Attachments: HIVE-17431.patch
>
>
> The configuration is only set when opening the session; that seems
> unnecessary - it could be set in the ctor and made final. E.g. when updating
> the session and localizing new resources we may theoretically open the
> session with a new config, but we don't update the config and only update the
> files if the session is already open, which seems to imply that it's ok to
> not update the config.
> In most cases, the session is opened only once or reopened without intending
> to change the config (e.g. if it times out).
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