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https://issues.apache.org/jira/browse/HADOOP-17238?focusedWorklogId=484890&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-484890
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ASF GitHub Bot logged work on HADOOP-17238:
-------------------------------------------

                Author: ASF GitHub Bot
            Created on: 16/Sep/20 02:54
            Start Date: 16/Sep/20 02:54
    Worklog Time Spent: 10m 
      Work Description: JohnZZGithub commented on pull request #2308:
URL: https://github.com/apache/hadoop/pull/2308#issuecomment-693138819


   @umamaheswararao  Could you please help with the review? Thanks


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

    Worklog Id:     (was: 484890)
    Time Spent: 20m  (was: 10m)

> Add  ViewFileSystem/InodeTree Mount points Resolution Cache
> -----------------------------------------------------------
>
>                 Key: HADOOP-17238
>                 URL: https://issues.apache.org/jira/browse/HADOOP-17238
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: viewfs
>            Reporter: zhenzhao wang
>            Assignee: zhenzhao wang
>            Priority: Minor
>              Labels: pull-request-available
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> Now the ViewFileSystem walkthrough InodeTree to resolve the passed-in path. 
> This could be optimized by adding a cache of resolution result. It will 
> benefit all kinds of mount points. And it is also very useful to reduce the 
> Regex parse cost of Regex Mount points introduced in HADOOP-15891



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