Hemanth Yamijala created MAPREDUCE-4650:
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Summary: Provide an ability to show task counters for a given task
type in Web UI
Key: MAPREDUCE-4650
URL: https://issues.apache.org/jira/browse/MAPREDUCE-4650
Project: Hadoop Map/Reduce
Issue Type: Improvement
Components: webapps
Reporter: Hemanth Yamijala
Assignee: Hemanth Yamijala
In the Web UI for Hadoop (post YARN), there is a view that lists counter values
per task for a given counter (singlejobcounter page). I found this very useful
to get a consolidated view of a specific counter across all tasks, for e.g. in
debugging slow tasks. We can navigate to this view by selecting the specific
counter from the Job Counters page.
This JIRA is to allow for the singlejobcounter page to be prepopulated only
with map task values or reduce task values (if one were interested in only a
particular type of task).
I understand there is a 'search' option on the singlejobcounter page that can
be used to accomplish the same purpose. However, seems a little more usable to
provide a direct filter before getting on to the page.
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