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https://issues.apache.org/jira/browse/STORM-3483?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Raj Choudhury updated STORM-3483:
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Attachment: (was: image-2019-08-08-15-23-42-157.png)
> Backpressure turns on after topology is idle for 160 minutes
> ------------------------------------------------------------
>
> Key: STORM-3483
> URL: https://issues.apache.org/jira/browse/STORM-3483
> Project: Apache Storm
> Issue Type: Bug
> Components: storm-core
> Affects Versions: 1.2.2
> Reporter: Raj Choudhury
> Priority: Minor
> Attachments: image-2019-08-08-15-59-25-655.png,
> image-2019-08-08-16-02-09-750.png, image-2019-08-08-17-21-50-905.png
>
>
> Storm version used 1.2.2
> While testing a topology we noticed that backpressure was being triggered on
> an idle topology, without any data going through the system for roughly 160
> minutes. However once we starting putting data through the system,
> backpressure behaved as normal and is off.
> We have storm metrics logger to log the disruptor queue sizes, and during
> this test we can see the receive queue population is 0 when backpressure
> kicks in.
>
> We confirmed this by turning debug logs on for storm.
> !image-2019-08-08-17-21-50-905.png!
>
> What a normal system with data going through looks like...
> !image-2019-08-08-15-59-25-655.png!
>
> In an idle system where backpressure occurs...
> !image-2019-08-08-16-02-09-750.png!
>
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