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https://issues.apache.org/jira/browse/SENTRY-2250?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16494289#comment-16494289
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Na Li commented on SENTRY-2250:
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Are we OK to fetch notification for each DDL task that needs sync? If so, then
when getting sync event, sentry server can start a thread from a thread pool
and fetch the notification events. If there are max number of multiple pending
threads, we should use periodical fetch
> Optimize the logic of fetching the notification_log entries
> -----------------------------------------------------------
>
> Key: SENTRY-2250
> URL: https://issues.apache.org/jira/browse/SENTRY-2250
> Project: Sentry
> Issue Type: Improvement
> Components: Sentry
> Reporter: kalyan kumar kalvagadda
> Assignee: kalyan kumar kalvagadda
> Priority: Major
>
> Currently sentry fetches entries from notification_log in HMS periodically.
> This could result in delay 0.5 sec to 1 sec in fetching the events and
> processing them.
> As HMS threads are blocked till sentry processes the notification events,
> this delay in processing notifications would result in delay in query
> executions.
>
> Proposal is to proactively fetch the notification log entires from HMS.
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