1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
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 ) {
try {
s.adminCommand( { split : "test.foo" , middle : { x : i } } );
}
catch ( e ) {
// we may have auto split on some of these
// which is ok
print(e);
}
}
db.printShardingStatus()
assert.soon( function(){ var x = s.chunkDiff( "foo" , "test" ); print( "chunk diff: " + x ); return x < 2; } , "no balance happened" , 8 * 60 * 1000 , 2000 )
s.stop()
|