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https://issues.apache.org/jira/browse/STORM-289?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13978199#comment-13978199
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Derek Dagit commented on STORM-289:
-----------------------------------
https://github.com/apache/incubator-storm/pull/82
This appears to be the pull request.
> Trident DRPC memory leak
> ------------------------
>
> Key: STORM-289
> URL: https://issues.apache.org/jira/browse/STORM-289
> Project: Apache Storm (Incubating)
> Issue Type: Bug
> Affects Versions: 0.9.2-incubating
> Reporter: Gangrui Li
>
> storm.trident.spout.RichSpoutBatchTriggerer.java
> Missing code "_msgIdToBatchId.put(r, batchIdVal);" in emit method.
> As a consequence, ack/fail will get null batchId for each DRPC invoking,
> which makes _finishConditions map larger and larger until out of memory.
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