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https://issues.apache.org/jira/browse/HADOOP-5931?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sharad Agarwal updated HADOOP-5931:
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Attachment: 5931_v3.patch
Attached patch collects the metrics in jobtracker. It doesn't use metric api.
It defines a new class StatisticsCollector which keep statistics in time
windows.
Stats are collected LAST_HOUR, LAST_DAY and SINCE_START. The stats are shown in
jobtracker web ui on trackers list page.
> Collect information about number of tasks succeeded / total per time unit for
> a tasktracker.
> ---------------------------------------------------------------------------------------------
>
> Key: HADOOP-5931
> URL: https://issues.apache.org/jira/browse/HADOOP-5931
> Project: Hadoop Core
> Issue Type: Improvement
> Components: mapred
> Reporter: Hemanth Yamijala
> Assignee: Sharad Agarwal
> Fix For: 0.21.0
>
> Attachments: 5931_v1.patch, 5931_v2.patch, 5931_v3.patch
>
>
> Collecting information of number of tasks succeeded / total per tasktracker
> and being able to see these counts per hour, day and since start time will
> help reason about things like the blacklisting strategy.
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