gistfile1.txt

mongos> db.mycollection.insert( { _id : 2, data : "hello" } )
WriteResult({ "nInserted" : 1 })
mongos> db.mycollection.insert( { _id : 4, data : "hello" } )
WriteResult({ "nInserted" : 1 })
mongos> db.mycollection.insert( { _id : 6, data : "hello" } )
WriteResult({ "nInserted" : 1 })
mongos> db.mycollection.insert( { _id : 8, data : "hello" } )
WriteResult({ "nInserted" : 1 })
mongos> db.mycollection.insert( { _id : 10, data : "hello" } )
WriteResult({ "nInserted" : 1 })
mongos> db.mycollection.find()
{ "_id" : 1, "data" : "hello" }
{ "_id" : 7, "data" : "hello" }
{ "_id" : 3, "data" : "hello" }
{ "_id" : 9, "data" : "hello" }
{ "_id" : 5, "data" : "hello" }
{ "_id" : 11, "data" : "hello" }
{ "_id" : 2, "data" : "hello" }
{ "_id" : 6, "data" : "hello" }
{ "_id" : 4, "data" : "hello" }
{ "_id" : 8, "data" : "hello" }
{ "_id" : 10, "data" : "hello" }