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https://issues.apache.org/jira/browse/STORM-1027?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14975405#comment-14975405
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ASF GitHub Bot commented on STORM-1027:
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Github user HeartSaVioR commented on the pull request:
https://github.com/apache/storm/pull/818#issuecomment-151320836
@abhishekagarwal87
Vote for releasing 0.9.6 and 0.10.0 is in progress.
I heard from @ptgoetz that Storm 0.9.x line will be faded out, so I'm
expecting non-critical bugs cannot trigger new release of 0.9.x line.
So if you're affecting STORM-1027 and willing to resolve it ASAP using
official release, using 0.10.0 will be fastest way to do it.
I can merge it to 0.9.x line, but I can't say when to release, so I'm
curious that this should be backported.
> Topology may hang because metric-tick function is a blocking call from spout
> ----------------------------------------------------------------------------
>
> Key: STORM-1027
> URL: https://issues.apache.org/jira/browse/STORM-1027
> Project: Apache Storm
> Issue Type: Bug
> Components: storm-core
> Affects Versions: 0.10.0
> Reporter: Abhishek Agarwal
> Assignee: Abhishek Agarwal
> Priority: Critical
> Fix For: 0.10.0
>
>
> Nathan had fixed the dining philosopher problem by putting a overflow buffer
> in the spout so that spout is not blocking. However, overflow buffer is not
> used when emitting the metric, and that could result in the deadlock. I
> modified the executor to use overflow buffer for emitting metrics and
> afterwards topology didn't hang.
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