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Type:
Question
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Resolution: Done
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Priority:
Major - P3
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Affects Version/s: 3.0.2, 3.0.4
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Component/s: None
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Our application have lag 1-2s when Interval little minute。
We have 3 instance of Mongodb. 1 write,2 read.
I can see many killcursors command at slow log file.this command time is same as application lag time;
please help me,how to fixed this lag?or how to find what problem with this?
2015-08-15T10:05:52.797+0800 I QUERY [conn5172367] killcursors keyUpdates:0 writeConflicts:0 numYields:0 locks:{ Global: { acquireCount: { r: 1 } }, Database: { acquireCount: { r: 1 } }, Collection: { acquireCount: { r: 1 } } } 1666ms
2015-08-15T10:06:54.257+0800 I QUERY [conn5169478] killcursors keyUpdates:0 writeConflicts:0 numYields:0 locks:{ Global: { acquireCount: { r: 1 } }, Database: { acquireCount: { r: 1 } }, Collection: { acquireCount: { r: 1 } } } 1406ms
2015-08-15T10:06:54.292+0800 I QUERY [conn5172314] killcursors keyUpdates:0 writeConflicts:0 numYields:0 locks:{ Global: { acquireCount: { r: 1 } }, Database: { acquireCount: { r: 1 } }, Collection: { acquireCount: { r: 1 } } } 1436ms
2015-08-15T10:06:54.303+0800 I QUERY [conn5172334] killcursors keyUpdates:0 writeConflicts:0 numYields:0 locks:{ Global: { acquireCount: { r: 1 } }, Database: { acquireCount: { r: 1 } }, Collection: { acquireCount: { r: 1 } } } 1046ms
2015-08-15T10:06:54.315+0800 I QUERY [conn5172333] killcursors keyUpdates:0 writeConflicts:0 numYields:0 locks:{ Global: { acquireCount: { r: 1 } }, Database: { acquireCount: { r: 1 } }, Collection: { acquireCount: { r: 1 } } } 1001ms
2015-08-15T10:06:54.319+0800 I QUERY [conn5172335] killcursors keyUpdates:0 writeConflicts:0 numYields:0 locks:{ Global: { acquireCount: { r: 1 } }, Database: { acquireCount: { r: 1 } }, Collection: { acquireCount: { r: 1 } } } 1038ms
2015-08-15T10:06:54.419+0800 I QUERY [conn5169475] killcursors keyUpdates:0 writeConflicts:0 numYields:0 locks:{ Global: { acquireCount: { r: 1 } }, Database: { acquireCount: { r: 1 } }, Collection: { acquireCount: { r: 1 } } } 1578ms
2015-08-15T10:06:54.609+0800 I QUERY [conn5172327] killcursors keyUpdates:0 writeConflicts:0 numYields:0 locks:{ Global: { acquireCount: { r: 1 } }, Database: { acquireCount: { r: 1 } }, Collection: { acquireCount: { r: 1 } } } 1402ms
2015-08-15T10:07:10.831+0800 I QUERY [conn5169820] killcursors keyUpdates:0 writeConflicts:0 numYields:0 locks:{ Global: { acquireCount: { r: 1 } }, Database: { acquireCount: { r: 1 } }, Collection: { acquireCount: { r: 1 } } } 1493ms
2015-08-15T10:07:10.963+0800 I QUERY [conn5172739] killcursors keyUpdates:0 writeConflicts:0 numYields:0 locks:{ Global: { acquireCount: { r: 1 } }, Database: { acquireCount: { r: 1 } }, Collection: { acquireCount: { r: 1 } } } 1559ms
2015-08-15T10:16:05.285+0800 I QUERY [conn5169754] killcursors keyUpdates:0 writeConflicts:0 numYields:0 locks:{ Global: { acquireCount: { r: 1 } }, Database: { acquireCount: { r: 1 } }, Collection: { acquireCount: { r: 1 } } } 1484ms
2015-08-15T10:20:38.320+0800 I QUERY [conn5169773] killcursors keyUpdates:0 writeConflicts:0 numYields:0 locks:{ Global: { acquireCount: { r: 1 } }, Database: { acquireCount: { r: 1 } }, Collection: { acquireCount: { r: 1 } } } 1503ms