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// tests sharding with replica sets
s = new ShardingTest( "rs1" , 3 , 1 , 2 , { rs : true , chunksize : 1 } )
s.adminCommand( { enablesharding : "test" } );
s.config.settings.find().forEach( printjson )
db = s.getDB( "test" );
bigString = ""
while ( bigString.length < 10000 )
bigString += "asdasdasdasdadasdasdasdasdasdasdasdasda";
inserted = 0;
num = 0;
while ( inserted < ( 20 * 1024 * 1024 ) ){
db.foo.insert( { _id : num++ , s : bigString , x : Math.random() } );
inserted += bigString.length;
}
db.getLastError();
s.adminCommand( { shardcollection : "test.foo" , key : { _id : 1 } } );
assert.lt( 20 , s.config.chunks.count() , "setup2" );
function diff(){
var x = s.chunkCounts( "foo" );
var total = 0;
var min = 1000000000;
var max = 0;
for ( var sn in x ){
total += x[sn];
if ( x[sn] < min )
min = x[sn];
if ( x[sn] > max )
max = x[sn];
}
print( tojson(x) + " total: " + total + " min: " + min + " max: " + max )
return max - min;
}
assert.lt( 20 , diff() , "big differential here" );
print( diff() )
assert.soon( function(){
var d = diff();
return d < 5;
} , "balance didn't happen" , 1000 * 60 * 3 , 5000 );
for ( i=0; i<s._rs.length; i++ ){
r = s._rs[i];
r.test.awaitReplication();
x = r.test.getHashes( "test" );
print( r.url + "\t" + tojson( x ) )
for ( j=0; j<x.slaves.length; j++ )
assert.eq( x.master.md5 , x.slaves[j].md5 , "hashes same for: " + r.url + " slave: " + j );
}
assert.eq( num , db.foo.find().count() , "C1" )
assert.eq( num , db.foo.find().itcount() , "C2" )
assert.eq( num , db.foo.find().sort( { _id : 1 } ).itcount() , "C3" )
assert.eq( num , db.foo.find().sort( { _id : -1 } ).itcount() , "C4" )
db.foo.ensureIndex( { x : 1 } )
assert.eq( num , db.foo.find().sort( { x : 1 } ).itcount() , "C5" )
assert.eq( num , db.foo.find().sort( { x : -1 } ).itcount() , "C6" )
s.stop()
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