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// Tests whether new sharding is detected on insert by mongos
var st = new ShardingTest( name = "test", shards = 10, verbose = 0, mongos = 3 )
var mongosA = st.s0
var mongosB = st.s1
var mongosC = st.s2
var admin = mongosA.getDB("admin")
var config = mongosA.getDB("config")
var collA = mongosA.getCollection( "foo.bar" )
var collB = mongosB.getCollection( "" + collA )
var collC = mongosB.getCollection( "" + collA )
admin.runCommand({ enableSharding : "" + collA.getDB() })
admin.runCommand({ shardCollection : "" + collA, key : { _id : 1 } })
var shards = config.shards.find().sort({ _id : 1 }).toArray()
jsTestLog( "Splitting up the collection..." )
// Split up the collection
for( var i = 0; i < shards.length; i++ ){
printjson( admin.runCommand({ split : "" + collA, middle : { _id : i } }) )
printjson( admin.runCommand({ moveChunk : "" + collA, find : { _id : i }, to : shards[i]._id }) )
}
mongosB.getDB("admin").runCommand({ flushRouterConfig : 1 })
mongosC.getDB("admin").runCommand({ flushRouterConfig : 1 })
printjson( collB.count() )
printjson( collC.count() )
// Change up all the versions...
for( var i = 0; i < shards.length; i++ ){
printjson( admin.runCommand({ moveChunk : "" + collA, find : { _id : i }, to : shards[ (i + 1) % shards.length ]._id }) )
}
// Make sure mongos A is up-to-date
mongosA.getDB("admin").runCommand({ flushRouterConfig : 1 })
config.printShardingStatus( true )
jsTestLog( "Running count!" )
printjson( collB.count() )
printjson( collC.find().toArray() )
st.stop()
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