Details
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Improvement
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Status: Closed
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Minor
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Resolution: Fixed
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0.12.3
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None
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None
Description
For performance reasons, it would be nice to monitor the task assignments to nodes. This is especially true for maps where we want to maximize data-locality-based assignments. Counters could be introduced for that.
Attachments
Attachments
Issue Links
- is blocked by
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HADOOP-1459 FileSystem.getFileCacheHints returns IP addresses rather than hostnames, which breaks 'data-locality' in map-reduce
- Closed