[ http://issues.apache.org/jira/browse/HADOOP-263?page=all ]
Sanjay Dahiya updated HADOOP-263:
---------------------------------
Attachment: Hadoop-263_2.patch
Here is an updated patch.
Task finish time is now set to failed time in case task fails. If the task
fails at task tracker then failed time is set there and sent over to
jobtracker. if the task tracker itself goes down then job tracker sets the
failed time to when it discovers task failed.
A side effect is that in case a task starts and before it could send its first
status, task tracker dies, in that case the failed time will be recorded but
task start time will not be recorded as task tracker went down before it could
report that. We rely on task tracker to report the correct task launch time.
Start/finish times for TIPs will be available in any case.
> task status should include timestamps for when a job transitions
> ----------------------------------------------------------------
>
> Key: HADOOP-263
> URL: http://issues.apache.org/jira/browse/HADOOP-263
> Project: Hadoop
> Issue Type: Improvement
> Components: mapred
> Affects Versions: 0.2.1
> Reporter: Owen O'Malley
> Assigned To: Sanjay Dahiya
> Fix For: 0.6.0
>
> Attachments: Hadoop-263.patch, Hadoop-263_1.patch,
> Hadoop-263_2.patch, patch.txt, patch.txt, patch.txt, patch.txt
>
>
> It would help users to understand what happened if the task status included
> information about when the task transitioned:
> Map:
> started
> finished
> Reduce:
> started
> shuffle finished
> sort finished
> finished
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