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Type:
Bug
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Resolution: Duplicate
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Priority:
Minor - P4
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None
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Affects Version/s: 2.4.0-rc0, 2.6.3
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Component/s: Diagnostics
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Storage Execution
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ALL
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When implementing PHP-490, I noticed that the profile log (in db.system.profile) does not record when an $eval command is run with the "nolock" : true option set. To reproduce:
> db.setProfilingLevel(2);
{ "was" : 2, "slowms" : 100, "ok" : 1 }
> db.runCommand({$eval: function(x,y) {return x*y;}, args: [6,7], nolock: true})
{ "retval" : 42, "ok" : 1 }
> db.system.profile.find( { op: { $ne: "query" } }).sort( { 'ts' : -1 }).limit(3).pretty();
{
"op" : "command",
"ns" : "phpunit.$cmd",
"command" : {
"profile" : 2
},
"ntoreturn" : 1,
"keyUpdates" : 0,
"numYield" : 0,
"lockStats" : {
"timeLockedMicros" : {
"r" : NumberLong(0),
"w" : NumberLong(15)
},
"timeAcquiringMicros" : {
"r" : NumberLong(0),
"w" : NumberLong(7)
}
},
"responseLength" : 58,
"millis" : 0,
"ts" : ISODate("2013-02-12T21:53:54.364Z"),
"client" : "127.0.0.1",
"allUsers" : [ ],
"user" : ""
}
As you can see, the only entry in the profile log is enabling the profile. If we use nolock : false, the $eval command does show up:
> db.runCommand({$eval: function(x,y) {return x*y;}, args: [6,7], nolock: false})
{ "retval" : 42, "ok" : 1 }
> db.system.profile.find( { op: { $ne: "query" } }).sort( { 'ts' : -1 }).limit(3).pretty();
{
"op" : "command",
"ns" : "phpunit.$cmd",
"command" : {
"$eval" : function __cf__2__f__anonymous_function(x, y) {
return x * y;
},
"args" : [
6,
7
],
"nolock" : false
},
"ntoreturn" : 1,
"keyUpdates" : 0,
"numYield" : 0,
"lockStats" : {
"timeLockedMicros" : {
"R" : NumberLong(0),
"W" : NumberLong(126)
},
"timeAcquiringMicros" : {
"R" : NumberLong(0),
"W" : NumberLong(2),
"r" : NumberLong(0),
"w" : NumberLong(4)
}
},
"responseLength" : 53,
"millis" : 0,
"ts" : ISODate("2013-02-12T21:54:23.620Z"),
"client" : "127.0.0.1",
"allUsers" : [ ],
"user" : ""
}
{
"op" : "command",
"ns" : "phpunit.$cmd",
"command" : {
"profile" : 2
},
"ntoreturn" : 1,
"keyUpdates" : 0,
"numYield" : 0,
"lockStats" : {
"timeLockedMicros" : {
"r" : NumberLong(0),
"w" : NumberLong(15)
},
"timeAcquiringMicros" : {
"r" : NumberLong(0),
"w" : NumberLong(7)
}
},
"responseLength" : 58,
"millis" : 0,
"ts" : ISODate("2013-02-12T21:53:54.364Z"),
"client" : "127.0.0.1",
"allUsers" : [ ],
"user" : ""
}
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