Details
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Improvement
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Resolution: Done
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Major - P3
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None
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None
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Fully Compatible
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Platform B (10/30/15)
Description
Currently it is an ordered map, although the ordering is not used except when calling ShardRegistry::toBSON().
Lookups on this map are done on the egress command path, and getShardNoReload (which calls _findUsingLookUp) shows up as a source of latency in vTune.