[TEZ-2121] INPUT_BYTES counter to describe amount of data read by a task

• Type: New Feature
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Affects Version/s: 0.7.0
• Target Version/s: 0.7.2
• Assignee: Unassigned
• Reporter: Robert Grandl
• Created: 19/Feb/15 21:39
• Updated: 24/Aug/16 18:06

Description

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).