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Posted to commits@nifi.apache.org by "Mark Payne (JIRA)" <ji...@apache.org> on 2015/02/22 16:54:11 UTC

[jira] [Updated] (NIFI-362) Funnels appear to consume a lot of CPU in some environments

     [ https://issues.apache.org/jira/browse/NIFI-362?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mark Payne updated NIFI-362:
----------------------------
    Attachment: 0001-NIFI-362-Avoid-continually-scheduling-components-to-.patch

> Funnels appear to consume a lot of CPU in some environments
> -----------------------------------------------------------
>
>                 Key: NIFI-362
>                 URL: https://issues.apache.org/jira/browse/NIFI-362
>             Project: Apache NiFi
>          Issue Type: Bug
>          Components: Core Framework
>            Reporter: Mark Payne
>            Assignee: Mark Payne
>         Attachments: 0001-NIFI-362-Avoid-continually-scheduling-components-to-.patch
>
>
> At this point, a few different people have reported seeing high CPU usage with funnels. Personally, I have never been able to duplicate it on a windows machine (I have tried on a few different boxes). Looking at some Linux VM's (running on top of Linux hardware) I have a cluster of 3 nodes. When adding funnels, two of the nodes exhibit the behavior but one does not. The nodes are (in theory) identical.
> A coworker running Mac OSX has verified that he sees CPU usage of about 35% when adding a funnel to an otherwise-stopped flow.



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