Github user wujinhu commented on the issue:
https://github.com/apache/incubator-eagle/pull/419
The users want to get the aggregation results of job counters group by some
dimensions(by cluster/cluster&queue/cluster&queue&user and so on).For example,
the Hadoop cluster administrators want to see the trend of HDFS_BYTES_READ in
the last three days group by each cluster.
To meet this requirement, I implement this by two steps. This PR is the
first step. The second step is contained in
https://github.com/apache/incubator-eagle/pull/430
In this PR, the history feeder generates counter metrics when it processed
history jobs. When the feeder gets one task of each job, it gets the counters
values and generate metric value in each minute by ( counter value / task
duration * task run time in each minute). So, we get counter metrics by each
job and in each minute.
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