a = db.getSisterDB("delxa" ) b = db.getSisterDB("delxb" ) function setup( mydb ){ mydb.dropDatabase(); for ( i=0; i<100; i++ ){ mydb.foo.insert( { _id : i } ); } mydb.getLastError(); } setup( a ); setup( b ); assert.eq( 100 , a.foo.find().itcount() , "A1" ) assert.eq( 100 , b.foo.find().itcount() , "A2" ) x = a.foo.find().sort( { _id : 1 } ).batchSize( 60 ) y = b.foo.find().sort( { _id : 1 } ).batchSize( 60 ) x.next(); y.next(); a.foo.remove( { _id : { $gt : 50 } } ); db.getLastError(); assert.eq( 51 , a.foo.find().itcount() , "B1" ) assert.eq( 100 , b.foo.find().itcount() , "B2" ) assert.eq( 59 , x.itcount() , "C1" ) assert.eq( 99 , y.itcount() , "C2" ); // this was asserting because ClientCursor byLoc doesn't take db into consideration