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TezQA commented on TEZ-3222: ---------------------------- {color:green}+1 overall{color}. Here are the results of testing the latest attachment http://issues.apache.org/jira/secure/attachment/12832713/TEZ-3222.6.patch against master revision ead4c0a. {color:green}+1 @author{color}. The patch does not contain any @author tags. {color:green}+1 tests included{color}. The patch appears to include 6 new or modified test files. {color:green}+1 javac{color}. The applied patch does not increase the total number of javac compiler warnings. {color:green}+1 javadoc{color}. There were no new javadoc warning messages. {color:green}+1 findbugs{color}. The patch does not introduce any new Findbugs (version 3.0.1) warnings. {color:green}+1 release audit{color}. The applied patch does not increase the total number of release audit warnings. {color:green}+1 core tests{color}. The patch passed unit tests in . Test results: https://builds.apache.org/job/PreCommit-TEZ-Build/2031//testReport/ Console output: https://builds.apache.org/job/PreCommit-TEZ-Build/2031//console This message is automatically generated. > Reduce messaging overhead for auto-reduce parallelism case > ---------------------------------------------------------- > > Key: TEZ-3222 > URL: https://issues.apache.org/jira/browse/TEZ-3222 > Project: Apache Tez > Issue Type: Bug > Reporter: Jonathan Eagles > Assignee: Jonathan Eagles > Attachments: TEZ-3222.1.patch, TEZ-3222.2.patch, TEZ-3222.3.patch, > TEZ-3222.4.patch, TEZ-3222.5.patch, TEZ-3222.6.patch > > > A dag with 15k x 1000k vertex may auto-reduce to 15k x 1. And while the data > size is appropriate for 1 task attempt, this results in an increase in task > attempt message processing of 1000x. > This jira aims to reduce the message processing in the auto-reduced task > while keeping the amount of message processing in the AM the same or less. -- This message was sent by Atlassian JIRA (v6.3.4#6332)