Akira AJISAKA created MAPREDUCE-5906: ----------------------------------------
Summary: Inconsistent configuration in property "mapreduce.reduce.shuffle.input.buffer.percent" Key: MAPREDUCE-5906 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5906 Project: Hadoop Map/Reduce Issue Type: Improvement Reporter: Akira AJISAKA Assignee: Akira AJISAKA Priority: Minor In MergeManagerImpl.java, the default value of MRJobConfig.SHUFFLE_INPUT_BUFFER_PERCENT (=mapreduce.reduce.shuffle.input.buffer.percent) looks 0.90. {code} final float maxInMemCopyUse = jobConf.getFloat(MRJobConfig.SHUFFLE_INPUT_BUFFER_PERCENT, 0.90f); {code} However, the actual default value is 0.70 in mapred-default.xml. {code} <name>mapreduce.reduce.shuffle.input.buffer.percent</name> <value>0.70</value> {code} -- This message was sent by Atlassian JIRA (v6.2#6252)