[jira] [Commented] (GEARPUMP-364) Heartbeat interval grow too large

["Huafeng Wang (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/GEARPUMP-364?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16299395#comment-16299395 ] 

Huafeng Wang commented on GEARPUMP-364:
---------------------------------------

Hi [~panxue], what do you mean by `use thread pool`? Does it mean you create a thread pool in a Task and use these threads to process messages? 

> Heartbeat interval grow too large 
> ----------------------------------
>
>                 Key: GEARPUMP-364
>                 URL: https://issues.apache.org/jira/browse/GEARPUMP-364
>             Project: Apache Gearpump
>          Issue Type: Bug
>    Affects Versions: 0.8.4
>            Reporter: Pan Xue
>         Attachments: gear.png
>
>
> I use the thread pool on the downstream onNext, which has 10 threads, when the program is running for some time, the log will appear heartbeat interval is growing too large: 6575 millis, and the amount of upstream data back pressure, from tens of thousands per Seconds down to a few thousand per second



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