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Ray Chiang commented on MAPREDUCE-6105: --------------------------------------- Thanks for the review and commit! > Inconsistent configuration in property mapreduce.reduce.shuffle.merge.percent > ----------------------------------------------------------------------------- > > Key: MAPREDUCE-6105 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-6105 > Project: Hadoop Map/Reduce > Issue Type: Improvement > Affects Versions: 2.4.0, 2.4.1 > Reporter: Dongwook Kwon > Assignee: Ray Chiang > Priority: Trivial > Labels: newbie > Fix For: 2.8.0 > > Attachments: MAPREDUCE-6105-01.patch, MAPREDUCE-6105.patch > > > Similar to MAPREDUCE-5906, In MergeManagerImpl.java, the default value of > MRJobConfig.SHUFFLE_MERGE_PERCENT(mapreduce.reduce.shuffle.merge.percent) > should be 0.66 > According to official doc. > https://hadoop.apache.org/docs/current/hadoop-mapreduce-client/hadoop-mapreduce-client-core/mapred-default.xml > {code} > this.mergeThreshold = (long)(this.memoryLimit * > jobConf.getFloat(MRJobConfig.SHUFFLE_MERGE_PERCENT, > 0.90f)); > {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332)