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Posted to dev@apex.apache.org by "Vlad Rozov (JIRA)" <ji...@apache.org> on 2017/01/23 15:20:26 UTC

[jira] [Updated] (APEXCORE-570) Prevent upstream operators from getting too far ahead when downstream operators are slow

     [ https://issues.apache.org/jira/browse/APEXCORE-570?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vlad Rozov updated APEXCORE-570:
--------------------------------
    Component/s: Buffer Server

> Prevent upstream operators from getting too far ahead when downstream operators are slow
> ----------------------------------------------------------------------------------------
>
>                 Key: APEXCORE-570
>                 URL: https://issues.apache.org/jira/browse/APEXCORE-570
>             Project: Apache Apex Core
>          Issue Type: Improvement
>          Components: Buffer Server
>            Reporter: Pramod Immaneni
>            Assignee: Pramod Immaneni
>
> If the downstream operators are slower than upstream operators then the upstream operators will get ahead and the gap can continue to increase. Provide an option to slow down or temporarily pause the upstream operators when they get too far ahead.



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