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https://issues.apache.org/jira/browse/HIVE-20986?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16733514#comment-16733514
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Karthik Manamcheri commented on HIVE-20986:
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This can be alternatively addressed by HIVE-20977 instead. There is no one flag
to indicate if ACID support is enabled in Hive or not.
> Add TransactionalValidationListener to HMS preListeners only when ACID
> support is enabled
> -----------------------------------------------------------------------------------------
>
> Key: HIVE-20986
> URL: https://issues.apache.org/jira/browse/HIVE-20986
> Project: Hive
> Issue Type: Improvement
> Reporter: Karthik Manamcheri
> Assignee: Adam Holley
> Priority: Major
>
> We add the TransactionalValidationListener to the preListeners in HMS
> unconditionally.
> {code:java}
> public void init() throws MetaException {
> ..
> preListeners.add(0, new TransactionalValidationListener(conf));
> ..
> }{code}
> This causes some performance issues because the listener is called even when
> not needed. Lets add a condition around this and add this listener only if
> the transactional support is enabled.
>
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