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From "ASF GitHub Bot (Jira)" <j...@apache.org>
Subject [jira] [Work logged] (HADOOP-17238) Add ViewFileSystem/InodeTree Mount points Resolution Cache
Date Wed, 16 Sep 2020 02:40:00 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-17238?focusedWorklogId=484888&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-484888

ASF GitHub Bot logged work on HADOOP-17238:

                Author: ASF GitHub Bot
            Created on: 16/Sep/20 02:39
            Start Date: 16/Sep/20 02:39
    Worklog Time Spent: 10m 
      Work Description: JohnZZGithub opened a new pull request #2308:
URL: https://github.com/apache/hadoop/pull/2308

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Issue Time Tracking

            Worklog Id:     (was: 484888)
    Remaining Estimate: 0h
            Time Spent: 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
>          Time Spent: 10m
>  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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