[jira] [Resolved] (IMPALA-4634) Investigate enabling FS handle caching

["Joe McDonnell (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IMPALA-4634?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joe McDonnell resolved IMPALA-4634.
-----------------------------------
       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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