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https://issues.apache.org/jira/browse/STORM-3334?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16887969#comment-16887969
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adarsh commented on STORM-3334:
-------------------------------
We are facing issue while upgrading storm to 2.0.0, we have attached sample log
file.
we are Getting below errors while running nimbus
* Negative fragmented CPU
* Negative fragmented Mem
* No available slots for topology [^nimbus.log]
Could please help me out on this issue.
> Storm java processes using very high CPU with very low load
> -----------------------------------------------------------
>
> Key: STORM-3334
> URL: https://issues.apache.org/jira/browse/STORM-3334
> Project: Apache Storm
> Issue Type: Bug
> Components: storm-core
> Affects Versions: 1.0.0
> Environment: Linux
> Reporter: adarsh
> Priority: Critical
> Attachments: nimbus.log
>
>
> We observer that Storm_Nimbus, storm_supervisor and NMStormTopology is
> consuming 100% CPU with all CPU cores.
> We found that Dispatcher Thread is taking quiet lot CPU. We observer that
> this issue was also reported earlier in Jira with title "{color:#333333}Short
> disruptor queue wait time leads to high CPU usage when idle{color}"
> https://issues.apache.org/jira/browse/STORM-503
> This say the issue got fixed in the version 0.9.6 while in the version 1.0.0
> seems the issue is still fixed.
> Kindly help us to resolve this issue, or advice us with the stable version of
> Storm which has this issue resolved.
>
> Regards,
> Adarsh
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