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  1. Core Server
  2. SERVER-16923

Profiler collection not created when using --profile

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      var conn = MongoRunner.runMongod({profile: 2});
var t = conn.getDB('test').foo;

// this insert should trigger the creation of the profiler collection
t.insert({});

var colls = t.getDB().getCollectionNames();
assert.contains('system.profile', colls, tojson(colls));

MongoRunner.stopMongod(conn);
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      var conn = MongoRunner.runMongod({profile: 2}); var t = conn.getDB('test').foo; // this insert should trigger the creation of the profiler collection t.insert({}); var colls = t.getDB().getCollectionNames(); assert.contains('system.profile', colls, tojson(colls)); MongoRunner.stopMongod(conn);
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      Starting with commit 02a78a7f3 (from SERVER-16431), a system.profile collection is no longer created when using --profile. The collection is still created when enabling the profiler via runCommand, however:

      // Using `./mongod --profile=2`
//
> db.runCommand({profile: 2});
{ "was" : 2, "slowms" : 100, "ok" : 1 }
> db.getCollectionNames();
[ "system.indexes" ]
> db.foo.insert({});
WriteResult({ "nInserted" : 1 })
> db.getCollectionNames();
[ "foo", "system.indexes" ]


// Using `./mongod`
//
> db.runCommand({profile: 2});
{ "was" : 0, "slowms" : 100, "ok" : 1 }
> db.getCollectionNames();
[ "system.indexes", "system.profile" ]
> db.foo.insert({});
WriteResult({ "nInserted" : 1 })
> db.getCollectionNames();
[ "foo", "system.indexes", "system.profile" ]

            Assignee:
            kaloian.manassiev@mongodb.com Kaloian Manassiev
            Reporter:
            kamran.khan Kamran K. (Inactive)
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