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Type:
Improvement
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Resolution: Done
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Priority:
Major - P3
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None
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Affects Version/s: None
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Component/s: Diagnostics, Logging
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3
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In 3.2 I get the following.
MongoDB Enterprise > db.system.profile.find().limit(10).sort( { ts : -1 } ).pretty()
{
"op" : "query",
"ns" : "test.testcol",
"query" : {
"find" : "testcol",
"filter" : {
}
},
"keysExamined" : 0,
"docsExamined" : 1,
"cursorExhausted" : true,
"keyUpdates" : 0,
"writeConflicts" : 0,
"numYield" : 0,
"locks" : {
"Global" : {
"acquireCount" : {
"r" : NumberLong(2)
}
},
"Database" : {
"acquireCount" : {
"r" : NumberLong(1)
}
},
"Collection" : {
"acquireCount" : {
"r" : NumberLong(1)
}
}
},
"nreturned" : 1,
"responseLength" : 139,
"protocol" : "op_command",
"millis" : 0,
"execStats" : {
"stage" : "COLLSCAN",
"filter" : {
"$and" : [ ]
},
"nReturned" : 1,
"executionTimeMillisEstimate" : 0,
"works" : 3,
"advanced" : 1,
"needTime" : 1,
"needYield" : 0,
"saveState" : 0,
"restoreState" : 0,
"isEOF" : 1,
"invalidates" : 0,
"direction" : "forward",
"docsExamined" : 1
},
"ts" : ISODate("2016-03-24T14:09:40.200Z"),
"client" : "127.0.0.1",
"allUsers" : [ ],
"user" : ""
}
I know "cursorExhausted" : true means the cursor was consumed. I would like to capture the ID regardless. I want to be able to take a slow query from the mongod.log and get deeper stats on it without having to parse and do complicated queries. My colleague did a getmore and got:
{
"op" : "getmore",
"ns" : "test.test",
"query" : {
"getMore" : NumberLong("32613554020"),
"collection" : "test"
},
"cursorid" : 32613554020,
"cursorExhausted" : true,
"keyUpdates" : 0,
"writeConflicts" : 0,
"numYield" : 7,
"locks" : {
"Global" : {
"acquireCount" : {
"r" : NumberLong(16)
}
},
"Database" : {
"acquireCount" : {
"r" : NumberLong(8)
}
},
"Collection" : {
"acquireCount" : {
"r" : NumberLong(8)
}
}
},
"nreturned" : 899,
"responseLength" : 34133,
"protocol" : "op_command",
"millis" : 3,
"execStats" : {
},
"ts" : ISODate("2016-03-24T13:58:47.891Z"),
"client" : "127.0.0.1",
"allUsers" : [ ],
"user" : ""
}
I'd like the output to be consistent, to capture the cursorID in all cases to be able to compare to the mongod.log and to also be able to use the system.profile for diagnostics.