Hadoop-Mapreduce-trunk - Build # 722 - Still Failing

See https://builds.apache.org/job/Hadoop-Mapreduce-trunk/722/ ### ## LAST 60 LINES OF THE CONSOLE ### [...truncated 235347 lines...] [junit] 10: 18592--18592

How to debug map reduce in distributed model

Hello guys: I want to debug the map reduce tasks, especially org.apache.hadoop.mapred.ReduceTask I want to understand how the data flow work. So I add the following in the mapred-site.xml mapred.child.java.opts -Xdebug -Xrunjdwp:transport=dt_socket,address=,server=y,s

Re:How to debug map reduce in distributed model

I hate to write these code, although it can work String javaOpts = conf.get("mapred.child.java.opts", "-Xdebug -Xrunjdwp:transport=dt_socket,address=,server=y,suspend=y"); javaOpts = "-Xmx200m -Xdebug -Xrunjdwp:transport=dt_socket,address=,server=y,suspend=y";//javaOpts.replac

[jira] [Created] (MAPREDUCE-2631) Potential resource leaks in BinaryProtocol$TeeOutputStream.java and TaskLogServlet.java

Potential resource leaks in BinaryProtocol$TeeOutputStream.java and TaskLogServlet.java --- Key: MAPREDUCE-2631 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2631

[jira] [Created] (MAPREDUCE-2632) Avoid calling the partitioner when the numReduceTasks is 1.

Avoid calling the partitioner when the numReduceTasks is 1. --- Key: MAPREDUCE-2632 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2632 Project: Hadoop Map/Reduce Issue Type: Impr