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(function() {
var s = new ShardingTest({ name: "migrateBig",
shards: 2,
other: { chunkSize: 1 } });
s.config.settings.update( { _id: "balancer" }, { $set : { _waitForDelete : true } } , true);
s.adminCommand( { enablesharding : "test" } );
s.ensurePrimaryShard('test', 'shard0001');
s.adminCommand( { shardcollection : "test.foo" , key : { x : 1 } } );
db = s.getDB( "test" );
coll = db.foo;
big = "";
while ( big.length < 10000 )
big += "eliot";
var bulk = coll.initializeUnorderedBulkOp();
for ( x=0; x<100; x++ ) {
bulk.insert( { x : x , big : big } );
}
assert.writeOK(bulk.execute());
s.printShardingStatus();
s.adminCommand( { split : "test.foo" , middle : { x : 30 } } );
s.adminCommand( { split : "test.foo" , middle : { x : 66 } } );
s.adminCommand( { movechunk : "test.foo" ,
find : { x : 90 } ,
to : s.getOther( s.getPrimaryShard( "test" ) ).name } );
s.printShardingStatus();
print( "YO : " + s.getPrimaryShard( "test" ).host );
direct = new Mongo( s.getPrimaryShard( "test" ).host );
print( "direct : " + direct );
directDB = direct.getDB( "test" );
for ( done=0; done<2*1024*1024; done+=big.length ){
assert.writeOK(directDB.foo.insert( { x : 50 + Math.random() , big : big } ));
}
s.printShardingStatus();
assert.throws( function(){
s.adminCommand({ movechunk : "test.foo" ,
find : { x : 50 } ,
to : s.getOther( s.getPrimaryShard( "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);
}
}
s.printShardingStatus();
s.config.settings.update( { _id: "balancer" }, { $set : { stopped: false } } , true );
assert.soon( function(){
var x = s.chunkDiff( "foo" , "test" );
print( "chunk diff: " + x );
return x < 2;
}, "no balance happened" , 8 * 60 * 1000 , 2000 );
assert.soon( function(){ return !s.isAnyBalanceInFlight(); } );
assert.eq( coll.count() , coll.find().itcount() );
s.stop();
})();
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