Details
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Type:
Bug
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Status: Closed
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Priority:
Major - P3
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Resolution: Fixed
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Affects Version/s: 3.0.6, 3.1.7
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Component/s: WiredTiger
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Labels:None
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Backwards Compatibility:Fully Compatible
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Operating System:ALL
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Backport Completed:
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Epic Link:
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Sprint:Quint 9 09/18/15
Description
j:true is expectedly slower than not, but WT is much slower than MMAPv1:
MMAPv1
> for(x=0;x<10000;x++){db.test.insert( { x : x } ) }
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WriteResult({ "nInserted" : 1 })
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> var start=new Date();db.test.remove( { } );duration=new Date() - start
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70
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> for(x=0;x<10000;x++){db.test.insert( { x : x } ) }
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WriteResult({ "nInserted" : 1 })
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> var start=new Date();db.test.remove( { }, { writeConcern : {j:true}} );duration=new Date() - start
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94
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WT
> for(x=0;x<10000;x++){db.test.insert( { x : x } ) }
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WriteResult({ "nInserted" : 1 })
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> var start=new Date();db.test.remove( { } );duration=new Date() - start
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189
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> for(x=0;x<10000;x++){db.test.insert( { x : x } ) }
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WriteResult({ "nInserted" : 1 })
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> var start=new Date();db.test.remove( { }, { writeConcern : {j:true}} );duration=new Date() - start
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95113
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Attachments
Issue Links
- depends on
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WT-2104 add support for flushing the transaction log.
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- Resolved
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- is duplicated by
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- Closed
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SERVER-18746 ensure WT write-ahead log flush is asynchronous from writes
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- Closed
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- related to
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- Closed
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- Closed
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