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// Simple test to make sure things get balanced
(function() {
var s = new ShardingTest({ name: "slow_sharding_balance3",
shards: 2,
mongos: 1,
other: { chunkSize: 1, enableBalancer : true } });
s.adminCommand( { enablesharding : "test" } );
s.ensurePrimaryShard('test', 'shard0001');
s.config.settings.find().forEach( printjson );
db = s.getDB( "test" );
bigString = "";
while ( bigString.length < 10000 )
bigString += "asdasdasdasdadasdasdasdasdasdasdasdasda";
inserted = 0;
num = 0;
var bulk = db.foo.initializeUnorderedBulkOp();
while ( inserted < ( 40 * 1024 * 1024 ) ){
bulk.insert({ _id: num++, s: bigString });
inserted += bigString.length;
}
assert.writeOK(bulk.execute());
s.adminCommand( { shardcollection : "test.foo" , key : { _id : 1 } } );
assert.lt( 20 , s.config.chunks.count() , "setup2" );
function diff1(){
var x = s.chunkCounts( "foo" );
printjson( x );
return Math.max( x.shard0000 , x.shard0001 ) - Math.min( x.shard0000 , x.shard0001 );
}
assert.lt( 10 , diff1() );
// Wait for balancer to kick in.
var initialDiff = diff1();
assert.soon(function() {
return diff1() != initialDiff;
}, "Balancer did not kick in");
print("* A");
print( "disabling the balancer" );
s.config.settings.update( { _id : "balancer" }, { $set : { stopped : true } } , true );
s.config.settings.find().forEach( printjson );
print("* B");
print( diff1() );
var currDiff = diff1();
var waitTime = 0;
var startTime = Date.now();
while ( waitTime < ( 1000 * 60 ) ) {
// Wait for 60 seconds to ensure balancer did not run
assert.eq( currDiff, diff1(), "balance with stopped flag should not have happened" );
sleep( 5000 );
waitTime = Date.now() - startTime;
}
s.stop();
})();
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