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Posted to dev@gearpump.apache.org by "Manu Zhang (JIRA)" <ji...@apache.org> on 2017/10/18 14:47:00 UTC

[jira] [Assigned] (GEARPUMP-358) Performance regression due to costly watermark calculation

     [ https://issues.apache.org/jira/browse/GEARPUMP-358?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Manu Zhang reassigned GEARPUMP-358:
-----------------------------------

    Assignee: Huafeng Wang

> 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
>            Assignee: Huafeng Wang
>             Fix For: 0.8.5
>
>
> 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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