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https://issues.apache.org/jira/browse/NIFI-3249?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15783612#comment-15783612
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ASF subversion and git services commented on NIFI-3249:
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Commit 35e8bedcc878ceb67638a50ff6c2506a7bb92c75 in nifi's branch
refs/heads/master from [~bryanrosan...@gmail.com]
[ https://git-wip-us.apache.org/repos/asf?p=nifi.git;h=35e8bed ]
NIFI-3249 - UpdateAttribute performance improvements
This closes #1356
Signed-off-by: jpercivall <jperciv...@apache.org>
> UpdateAttribute performance improvements
> ----------------------------------------
>
> Key: NIFI-3249
> URL: https://issues.apache.org/jira/browse/NIFI-3249
> Project: Apache NiFi
> Issue Type: Improvement
> Reporter: Bryan Rosander
> Assignee: Bryan Rosander
> Priority: Minor
> Attachments: after.png, before.png
>
>
> UpdateAttribute does a lot of work in every onTrigger() that it doesn't need
> to.
> The default actions map can be built at schedule time so that it doesn't need
> to be done on every trigger.
> getPropertyValue() can be implemented using ConcurrentMap.computeIfAbsent()
> Update actions can be ignored if there is a delete action for the same
> attribute.
> Only need to call processSession.updateAttributes() and
> processSession.deleteAttributes() if there are attributes to update and
> delete respectively.
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