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https://issues.apache.org/jira/browse/NIFI-7266?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17062024#comment-17062024
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Manuel Loayza commented on NIFI-7266:
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I'm getting this error in the web console once the cluster fails
!image-2020-03-18-16-03-49-351.png|width=706,height=302!
> NIFI 1.4.0 gets unresponsive after heavy load
> ---------------------------------------------
>
> Key: NIFI-7266
> URL: https://issues.apache.org/jira/browse/NIFI-7266
> Project: Apache NiFi
> Issue Type: Bug
> Components: Configuration
> Affects Versions: 1.2.0, 1.3.0, 1.4.0
> Reporter: Manuel Loayza
> Priority: Trivial
> Attachments: Screen Shot 2020-03-17 at 3.18.27 PM.png,
> image-2020-03-18-16-03-49-351.png
>
>
> We have 2 clusters (6 instances each one) running with NIFI 1.1.2 + JDK 8u121
> + Linux CentOS
> The traffic get divided between those 2 clusters:
> 1. TPS: 2700 - EAST cluster
> 2. TPS: 980. - WEST cluster
> We have tried to migrate to NIFI 1.2.0, 1.3.0, and 1.4.0, but the cluster
> with higher TPS (EAST) got stuck after 4 hours of intensive traffic. Also it
> web console got unresponsive.
> I've tried many things to fix this thing, but only thing I got was to
> increase the time from 4 to 6 hours before it fails
> Our current instances are running on AWS and each EC2 instances has 8 cpus
> (c5.2xlarge), and 16GB RAM.
> I've tried to use c5.4xlarge (it doubles the cpu and ram), but I got the
> same outcome.
> I don't have a clue to figure it out what the issue is. Also I have a
> datadog dashboard to track some java head metrics but everything looks normal.
> What should I do to find why those new better instances are failing? is it
> memory or disk space or threads got stuck? Why an old NIFI cluster conf
> works better than a new NIFI?
> Hope you can help me with this.
> Thanks
>
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