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Subject [GitHub] [hadoop] avijayanhwx opened a new pull request #1631: HDDS-2188 : Implement LocatedFileStatus & getFileBlockLocations to pr…
Date Wed, 09 Oct 2019 18:14:11 GMT
avijayanhwx opened a new pull request #1631: HDDS-2188 : Implement LocatedFileStatus &
getFileBlockLocations to pr…
URL: https://github.com/apache/hadoop/pull/1631
 
 
   …ovide node/localization information to Yarn/Mapreduce.
   
   >>> PRELIMINARY PATCH <<<
   
   ## What changes were proposed in this pull request?
   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.
   
   https://issues.apache.org/jira/browse/HDDS-2188
   
   ## How was this patch tested?
   Added a few unit tests. Working on adding more.
   Currently doing manual testing by running MR jobs.

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