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https://issues.apache.org/jira/browse/TEZ-2121?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14328164#comment-14328164
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Robert Grandl commented on TEZ-2121:
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Srikanth Kandula and I propose to add a new INPUT_BYTES counter in order to
account for the amount of data being read by a task in a vertex. We observe
that similar counter exists for data being written.
We also submit a patch for the new counter.
> INPUT_BYTES counter to describe amount of data read by a task
> --------------------------------------------------------------
>
> Key: TEZ-2121
> URL: https://issues.apache.org/jira/browse/TEZ-2121
> Project: Apache Tez
> Issue Type: New Feature
> Affects Versions: 0.7.0
> Reporter: Robert Grandl
> Priority: Minor
> Fix For: 0.7.0
>
> Attachments: TEZ-2121.patch
>
>
> We propose to add an INPUT_BYTES counter to the set of TaskCounters in
> TaskCounter.java to record the amount of data being read by a task in a
> vertex. We observe that a similar counter exists for data being
> written(OUTPUT_BYTES).
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