The problem is reported and fixed in MAPREDUCE-1876, but it is not committed to branch 0.21. I think both MAPREDUCE-1876 and MAPREDUCE-1980 should be committed to branch 0.21.
-Amareshwari On 8/1/10 4:48 AM, "Felix Halim" <felix.ha...@gmail.com> wrote: The log file produced in: hadoop.job.history.location Has a wrong type for "REDUCE_ATTEMPT_STARTED" (it is currently wrongly printed as "MAP_ATTEMPT_STARTED"). This is one line of the log file produced: {"type":"MAP_ATTEMPT_STARTED","event":{"TaskAttemptStarted":{"taskid":"task_201008010534_0001_r_000066","taskType":"REDUCE","attemptId":"attempt_201008010534_0001_r_000066_0","startTime":1280612215265,"trackerName":"tracker_compg3.cl.comp.nus.edu.sg:localhost.localdomain/127.0.0.1:37813","httpPort":38330}}}, Here, the type should be "REDUCE_ATTEMPT_STARTED", right? because the "event.taskType" is "REDUCE". Felix Halim