Details
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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: None
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Fix Version/s: 2.6.1, 2.7.0, 3.0.0-alpha1
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Component/s: conf
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Labels:
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Target Version/s:
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Hadoop Flags:Reviewed
Description
Profiling several large Hadoop jobs, we discovered that a surprising amount of time was spent inside Configuration.get, more specifically, in regex matching caused by the substituteVars call.
Attachments
Issue Links
- breaks
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HADOOP-13699 Configuration does not substitute multiple references to the same var
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- Resolved
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- relates to
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HADOOP-463 variable expansion in Configuration
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- Closed
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