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Type:
Improvement
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Status: Resolved
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Priority:
Major
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Resolution: Fixed
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Affects Version/s: None
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Component/s: block placement
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Labels:
Set<String> racks = new TreeSet<>(); for (DatanodeInfo dn : locs) { racks.add(dn.getNetworkLocation()); } return new BlockPlacementStatusDefault(racks.size(), numberOfReplicas, clusterMap.getNumOfRacks());
Here, HashMap should be used instead of TreeSet.
- relates to
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HDFS-14102 Performance improvement in BlockPlacementPolicyDefault
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- Resolved
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- links to