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https://issues.apache.org/jira/browse/GEARPUMP-358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16209406#comment-16209406
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ASF GitHub Bot commented on GEARPUMP-358:
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Github user manuzhang commented on the issue:
https://github.com/apache/incubator-gearpump/pull/232
LGTM
> Performance regression due to costly watermark calculation
> ----------------------------------------------------------
>
> Key: GEARPUMP-358
> URL: https://issues.apache.org/jira/browse/GEARPUMP-358
> Project: Apache Gearpump
> Issue Type: Bug
> Reporter: Huafeng Wang
>
> For example, in streaming example SOL, everytime SOLStreamProducer output a
> message to downstream, it will send a Watermark message to itself, which will
> trigger watermark calculation. We should avoid flooding Watermark messages.
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