[ https://issues.apache.org/jira/browse/MAPREDUCE-5873?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14170038#comment-14170038 ]
Hadoop QA commented on MAPREDUCE-5873: -------------------------------------- {color:red}-1 overall{color}. Here are the results of testing the latest attachment http://issues.apache.org/jira/secure/attachment/12674604/MAPREDUCE-5873.v7.patch against trunk revision 178bc50. {color:green}+1 @author{color}. The patch does not contain any @author tags. {color:green}+1 tests included{color}. The patch appears to include 1 new or modified test files. {color:red}-1 javac{color:red}. The patch appears to cause the build to fail. Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/4957//console This message is automatically generated. > Measure bw of a single copy call and display the correct aggregated bw > ---------------------------------------------------------------------- > > Key: MAPREDUCE-5873 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-5873 > Project: Hadoop Map/Reduce > Issue Type: Bug > Affects Versions: 2.3.0 > Reporter: Siqi Li > Assignee: Siqi Li > Attachments: MAPREDUCE-5873.v1.patch, MAPREDUCE-5873.v2.patch, > MAPREDUCE-5873.v3.patch, MAPREDUCE-5873.v4.patch, MAPREDUCE-5873.v5.patch, > MAPREDUCE-5873.v6.patch, MAPREDUCE-5873.v7.patch > > > Currently ShuffleScheduler in ReduceTask JVM status displays bandwidth. Its > definition however is confusing because it captures the time where there is > no copying because there is a pause between when new wave of map outputs is > available. > current bw is definded as (bytes copied so far) / (total time in the copy > phase so far) > It would be more useful > 1) to measure bandwidth of a single copy call. > 2) display aggregated bw as long as there is at least one fetcher is in the > copy call. -- This message was sent by Atlassian JIRA (v6.3.4#6332)