[jira] [Work logged] (HIVE-24655) Improve FileSystem usage in OrcRawRecordMerger

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-24655?focusedWorklogId=537772&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-537772 ]

ASF GitHub Bot logged work on HIVE-24655:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 19/Jan/21 12:20
            Start Date: 19/Jan/21 12:20
    Worklog Time Spent: 10m 
      Work Description: pvargacl opened a new pull request #1884:
URL: https://github.com/apache/hive/pull/1884


   
   ### What changes were proposed in this pull request?
   Some minor performance improvements:
   
   - Remove exists calls and catch the FileNotFound exception since the exists call just does the same
   - Remove unnecessary delta parsing and file listing when processing deltas
   
   ### Why are the changes needed?
   
   
   
   ### Does this PR introduce _any_ user-facing change?
   No.
   
   
   ### How was this patch tested?
   Current unit tests running the same, performance profiling on a cluster
   


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Issue Time Tracking
-------------------

            Worklog Id:     (was: 537772)
    Remaining Estimate: 0h
            Time Spent: 10m

> Improve FileSystem usage in OrcRawRecordMerger
> ----------------------------------------------
>
>                 Key: HIVE-24655
>                 URL: https://issues.apache.org/jira/browse/HIVE-24655
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Peter Varga
>            Assignee: Peter Varga
>            Priority: Minor
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> Some minor performance improvements:
>  * Remove exists calls and catch the FileNotFound exception since the exists call just does the same
>  * Remove unnecessary delta parsing and file listing when processing deltas



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