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s = new ShardingTest( "migrateBig" , 2 , 0 , 1 , { chunksize : 1 } );
s.adminCommand( { enablesharding : "test" } );
s.adminCommand( { shardcollection : "test.foo" , key : { x : 1 } } );
db = s.getDB( "test" )
coll = db.foo
big = ""
while ( big.length < 10000 )
big += "eliot"
for ( x=0; x<100; x++ )
coll.insert( { x : x , big : big } )
s.adminCommand( { split : "test.foo" , middle : { x : 33 } } )
s.adminCommand( { split : "test.foo" , middle : { x : 66 } } )
s.adminCommand( { movechunk : "test.foo" , find : { x : 90 } , to : s.getOther( s.getServer( "test" ) ).name } )
db.printShardingStatus()
print( "YO : " + s.getServer( "test" ).host )
direct = new Mongo( s.getServer( "test" ).host )
print( "direct : " + direct )
directDB = direct.getDB( "test" )
for ( done=0; done<2*1024*1024; done+=big.length ){
directDB.foo.insert( { x : 50 + Math.random() , big : big } )
directDB.getLastError();
}
db.printShardingStatus()
assert.throws( function(){ s.adminCommand( { movechunk : "test.foo" , find : { x : 50 } , to : s.getOther( s.getServer( "test" ) ).name } ); } , [] , "move should fail" )
for ( i=0; i<20; i+= 2 )
s.adminCommand( { split : "test.foo" , middle : { x : i } } )
db.printShardingStatus()
assert.soon( function(){ var x = s.chunkDiff( "foo" , "test" ); print( "chunk diff: " + x ); return x < 2; } , "no balance happened" , 120 * 1000 , 2000 )
s.stop()
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