hadoop-mapreduce-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Xiao Kang (JIRA)" <j...@apache.org>
Subject [jira] Created: (MAPREDUCE-1891) Disk io of shuffle phase may decrease if shuffled data not decompressed
Date Wed, 23 Jun 2010 15:25:52 GMT
Disk io of shuffle phase may decrease if shuffled data not decompressed
-----------------------------------------------------------------------

                 Key: MAPREDUCE-1891
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1891
             Project: Hadoop Map/Reduce
          Issue Type: Improvement
          Components: tasktracker
            Reporter: Xiao Kang


Current shuffled data is decompressed immediately. It may use much less memory for shuffle
buffer if the data is not decompressed until merging to disk.

-- 
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.


Mime
View raw message