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https://issues.apache.org/jira/browse/IMPALA-4634?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joe McDonnell resolved IMPALA-4634.
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Resolution: Fixed
Fix Version/s: Impala 2.12.0
File handle cache was enabled by default in 2.12.
> Investigate enabling FS handle caching
> --------------------------------------
>
> Key: IMPALA-4634
> URL: https://issues.apache.org/jira/browse/IMPALA-4634
> Project: IMPALA
> Issue Type: Improvement
> Components: Backend
> Affects Versions: Impala 2.8.0
> Reporter: bharath v
> Assignee: Joe McDonnell
> Priority: Minor
> Fix For: Impala 2.12.0
>
>
> FS handle caching is already built into the disk-io-mgr but was disabled
> since it wasn't properly tested. Investigate the potential issues that could
> arise when enabling it and fix them. This helps reduce NN rpc.
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