[jira] [Work logged] (HIVE-26685) Improve Path name escaping / unescaping performance

Tue, 01 Nov 2022 15:37:05 -0700 


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https://issues.apache.org/jira/browse/HIVE-26685?focusedWorklogId=822480&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-822480
 ]

ASF GitHub Bot logged work on HIVE-26685:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 01/Nov/22 22:36
            Start Date: 01/Nov/22 22:36
    Worklog Time Spent: 10m 
      Work Description: sonarcloud[bot] commented on PR #3721:
URL: https://github.com/apache/hive/pull/3721#issuecomment-1299314934

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

            Worklog Id:     (was: 822480)
    Remaining Estimate: 0h
            Time Spent: 10m

> Improve Path name escaping / unescaping performance
> ---------------------------------------------------
>
>                 Key: HIVE-26685
>                 URL: https://issues.apache.org/jira/browse/HIVE-26685
>             Project: Hive
>          Issue Type: Improvement
>          Components: Hive
>    Affects Versions: All Versions
>            Reporter: James Petty
>            Priority: Minor
>         Attachments: HIVE-26685.1.patch
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> When escaping / unescaping partition path part names, the existing logic 
> incurs significant avoidable overhead by copying each character sequentially 
> into a new StringBuilder even when no escaping/unescaping is necessary as 
> well as using String.format to escape characters inside of the inner loop.
>  
> The included patch to improve the performance of these operations refactors 
> two static method implementations, but requires no external API surface or 
> user-visible behavior changes. This change is applicable and portable to a 
> wide range of Hive versions from branch-0.6 onward when the initial method 
> implementations were added.



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