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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Work logged] (HDDS-1461) Optimize listStatus api in OzoneFileSystem
Date Thu, 16 May 2019 10:11:00 GMT

     [ https://issues.apache.org/jira/browse/HDDS-1461?focusedWorklogId=243235&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-243235
]

ASF GitHub Bot logged work on HDDS-1461:
----------------------------------------

                Author: ASF GitHub Bot
            Created on: 16/May/19 10:10
            Start Date: 16/May/19 10:10
    Worklog Time Spent: 10m 
      Work Description: lokeshj1703 commented on issue #782: HDDS-1461. Optimize listStatus
api in OzoneFileSystem
URL: https://github.com/apache/hadoop/pull/782#issuecomment-493006449
 
 
   @xiaoyuyao @mukul1987 I have made addresses the review comments in the latest commit.
 
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Issue Time Tracking
-------------------

    Worklog Id:     (was: 243235)
    Time Spent: 1h 40m  (was: 1.5h)

> Optimize listStatus api in OzoneFileSystem
> ------------------------------------------
>
>                 Key: HDDS-1461
>                 URL: https://issues.apache.org/jira/browse/HDDS-1461
>             Project: Hadoop Distributed Data Store
>          Issue Type: Sub-task
>          Components: Ozone Filesystem, Ozone Manager
>            Reporter: Lokesh Jain
>            Assignee: Lokesh Jain
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 1h 40m
>  Remaining Estimate: 0h
>
> Currently in listStatus we make multiple getFileStatus calls. This can be optimized
by converting to a single rpc call for listStatus.
> Also currently listStatus has to traverse a directory recursively in order to list its
immediate children. This happens because in OzoneManager all the metadata is stored in rocksdb
sorted on keynames. The Jira also aims to fix this by using seek api provided by rocksdb.



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