[ https://issues.apache.org/jira/browse/MAPREDUCE-37?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Harsh J resolved MAPREDUCE-37. ------------------------------ Resolution: Not A Problem It is recorded in current releases. > MAP_OUTPUT_BYTES counter is not recorded in Job history log for Map only jobs > ----------------------------------------------------------------------------- > > Key: MAPREDUCE-37 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-37 > Project: Hadoop Map/Reduce > Issue Type: Bug > Reporter: Suhas Gogate > > Here is an example Map task entry in job history log, it has > MAP_OUTPUT_RECORDS but no MAP_OUTPUT_BYTES > Task TASKID="task_200905250540_0578_m_000000" TASK_TYPE="MAP" > TASK_STATUS="SUCCESS" FINISH_TIME="1243294056346" > COUNTERS="{(FileSystemCounters)(FileSystemCounters)[(HDFS_BYTES_READ)(HDFS_BYTES_READ)(56630)][(HDFS_BYTES_WRITTEN)(HDFS_BYTES_WRITTEN)(28327)]}{(org\.apache\.hadoop\.mapred\.Task$Counter)(Map-Reduce > Framework)[(MAP_INPUT_RECORDS)(Map input > records)(2681)][(SPILLED_RECORDS)(Spilled Records)(0)][(MAP_INPUT_BYTES)(Map > input bytes)(28327)][(MAP_OUTPUT_RECORDS)(Map output records)(2681)]}" . > MapAttempt TASK_TYPE="MAP" TASKID="task_200905250540_0578_m_000001" > TASK_ATTEMPT_ID="attempt_200905250540_0578_m_000001_0" START > _TIME="1243294026959" > TRACKER_NAME="tracker_xxx1031\.xxxx\.com:localhost/127\.0\.0\.1:56939" > HTTP_PORT="50060" . > MapAttempt TASK_TYPE="MAP" TASKID="task_200905250540_0578_m_000001" > TASK_ATTEMPT_ID="attempt_200905250540_0578_m_000001_0" TASK_STATUS="SUCCESS" > FINISH_TIME="1243294041638" HOSTNAME="/xx\.xx\.xx\.xxx/xxx1031\.xxxx\.com" > STATE_STRING="Records R/W\=2634/1" > COUNTERS="{(FileSystemCounters)(FileSystemCounters)[(HDFS_BYTES_READ)(HDFS_BYTES_READ)(28316)][(HDFS_BYTES_WRITTEN)(HDFS_BYTES_WRITTEN)(28303)]}{(org\.apache\.hadoop\.mapred\.Task$Counter)(Map-Reduce > Framework)[(MAP_INPUT_RECORDS)(Map input > records)(2634)][(SPILLED_RECORDS)(Spilled Records)(0)][(MAP_INPUT_BYTES)(Map > input bytes)(28303)][(MAP_OUTPUT_RECORDS)(Map output records)(2634)]}" . -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira