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Type:
Improvement
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Status: Closed
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Priority:
Major
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Resolution: Fixed
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Affects Version/s: 1.1.1, 2.0.2-alpha
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Fix Version/s: 1.2.0, 2.0.3-alpha, 0.23.6
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Component/s: client
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Labels:None
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Hadoop Flags:Reviewed
For backwards compatibility, these methods should exist in both MR1 and MR2.
Confusingly, these methods return the max memory and used memory of the jobtracker, not the entire cluster.
I'd propose to add them to MR2 and return -1, and deprecate them in both MR1 and MR2. Alternatively, I could add plumbing to get the resource manager memory stats.