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https://issues.apache.org/jira/browse/APEXMALHAR-2359?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David Yan resolved APEXMALHAR-2359.
-----------------------------------
Resolution: Fixed
Fix Version/s: 3.7.0
> Optimise fire trigger to avoid go through all data
> --------------------------------------------------
>
> Key: APEXMALHAR-2359
> URL: https://issues.apache.org/jira/browse/APEXMALHAR-2359
> Project: Apache Apex Malhar
> Issue Type: Improvement
> Reporter: bright chen
> Assignee: bright chen
> Fix For: 3.7.0
>
> Original Estimate: 144h
> Remaining Estimate: 144h
>
> KeyedWindowedOperatorImpl.fireNormalTrigger(Window, boolean) currently go
> through each window and key to check value. The data collection could be very
> huge as the discard period could be relative long time. If
> fireOnlyUpdatedPanes is false probably there don't have much space to
> improve. But if fireOnlyUpdatedPanes is true, we don't have to go through the
> whole data collection. We only need to go through the window and key which
> handle after last trigger.
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