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https://issues.apache.org/jira/browse/STORM-3477?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ethan Li reopened STORM-3477:
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> HDFS blobstore isRemoteBlobExists performs unnecessary file opens
> -----------------------------------------------------------------
>
> Key: STORM-3477
> URL: https://issues.apache.org/jira/browse/STORM-3477
> Project: Apache Storm
> Issue Type: Improvement
> Affects Versions: 2.0.0
> Reporter: Aaron Gresch
> Assignee: Aaron Gresch
> Priority: Major
> Labels: pull-request-available
> Fix For: 2.0.1
>
> Time Spent: 1h 50m
> Remaining Estimate: 0h
>
> isRemoteBlobExists eventually performs an HDFS file open and returns an input
> file stream, which is not closed.
>
> We should just be calling file exists instead. Lower HDFS overhead.
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