[jira] [Resolved] (HDDS-2188) Implement LocatedFileStatus & getFileBlockLocations to provide node/localization information to Yarn/Mapreduce

["Aravindan Vijayan (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDDS-2188?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aravindan Vijayan resolved HDDS-2188.
-------------------------------------
    Resolution: Fixed

Fixed with https://github.com/apache/hadoop-ozone/pull/540.

> Implement LocatedFileStatus & getFileBlockLocations to provide node/localization information to Yarn/Mapreduce
> --------------------------------------------------------------------------------------------------------------
>
>                 Key: HDDS-2188
>                 URL: https://issues.apache.org/jira/browse/HDDS-2188
>             Project: Hadoop Distributed Data Store
>          Issue Type: Bug
>          Components: Ozone Filesystem
>    Affects Versions: 0.5.0
>            Reporter: Mukul Kumar Singh
>            Assignee: Aravindan Vijayan
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 0.5.0
>
>          Time Spent: 2h 10m
>  Remaining Estimate: 0h
>
> For applications like Hive/MapReduce to take advantage of the data locality in Ozone, Ozone should return the location of the Ozone blocks. This is needed for better read performance for Hadoop Applications.
> {code}
>         if (file instanceof LocatedFileStatus) {
>           blkLocations = ((LocatedFileStatus) file).getBlockLocations();
>         } else {
>           blkLocations = fs.getFileBlockLocations(file, 0, length);
>         }
> {code}



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