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// mostly for testing mongos w/replica sets
s = new ShardingTest( "rs2" , 2 , 1 , 1 , { rs : true , chunksize : 1 } )
db = s.getDB( "test" )
t = db.foo
// -------------------------------------------------------------------------------------------
// ---------- test that config server updates when replica set config changes ----------------
// -------------------------------------------------------------------------------------------
db.foo.save( { _id : 5 ,x : 17 } )
assert.eq( 1 , db.foo.count() );
s.config.databases.find().forEach( printjson )
s.config.shards.find().forEach( printjson )
serverName = s.getServerName( "test" )
function countNodes(){
var x = s.config.shards.findOne( { _id : serverName } );
return x.host.split( "," ).length
}
assert.eq( 3 , countNodes() , "A1" )
rs = s.getRSEntry( serverName );
rs.test.add()
try {
rs.test.reInitiate();
}
catch ( e ){
// this os ok as rs's may close connections on a change of master
print( e );
}
assert.soon(
function(){
try {
printjson( rs.test.getMaster().getDB("admin").runCommand( "isMaster" ) )
s.config.shards.find().forEach( printjsononeline );
return countNodes() == 4;
}
catch ( e ){
print( e );
}
} , "waiting for config server to update" , 180 * 1000 , 1000 );
// cleanup after adding node
for ( i=0; i<5; i++ ){
try {
db.foo.findOne();
}
catch ( e ){}
}
// -------------------------------------------------------------------------------------------
// ---------- test routing to slaves ----------------
// -------------------------------------------------------------------------------------------
// --- not sharded ----
m = new Mongo( s.s.name );
ts = m.getDB( "test" ).foo
before = rs.test.getMaster().adminCommand( "serverStatus" ).opcounters
for ( i=0; i<10; i++ )
assert.eq( 17 , ts.findOne().x , "B1" )
m.setSlaveOk()
for ( i=0; i<10; i++ )
assert.eq( 17 , ts.findOne().x , "B2" )
after = rs.test.getMaster().adminCommand( "serverStatus" ).opcounters
printjson( before )
printjson( after )
assert.eq( before.query + 10 , after.query , "B3" )
// --- add more data ----
db.foo.ensureIndex( { x : 1 } )
for ( i=0; i<100; i++ ){
if ( i == 17 ) continue;
db.foo.insert( { x : i } )
}
db.getLastError( 3 , 10000 );
assert.eq( 100 , ts.count() , "B4" )
assert.eq( 100 , ts.find().itcount() , "B5" )
assert.eq( 100 , ts.find().batchSize(5).itcount() , "B6" )
t.find().batchSize(3).next();
gc(); gc(); gc();
// --- sharded ----
assert.eq( 100 , db.foo.count() , "C1" )
s.adminCommand( { enablesharding : "test" } );
s.adminCommand( { shardcollection : "test.foo" , key : { x : 1 } } );
assert.eq( 100 , t.count() , "C2" )
s.adminCommand( { split : "test.foo" , middle : { x : 50 } } )
db.printShardingStatus()
other = s.config.shards.findOne( { _id : { $ne : serverName } } );
s.adminCommand( { moveChunk : "test.foo" , find : { x : 10 } , to : other._id } )
assert.eq( 100 , t.count() , "C3" )
assert.eq( 50 , rs.test.getMaster().getDB( "test" ).foo.count() , "C4" )
// by non-shard key
m = new Mongo( s.s.name );
ts = m.getDB( "test" ).foo
before = rs.test.getMaster().adminCommand( "serverStatus" ).opcounters
for ( i=0; i<10; i++ )
assert.eq( 17 , ts.findOne( { _id : 5 } ).x , "D1" )
m.setSlaveOk()
for ( i=0; i<10; i++ )
assert.eq( 17 , ts.findOne( { _id : 5 } ).x , "D2" )
after = rs.test.getMaster().adminCommand( "serverStatus" ).opcounters
assert.eq( before.query + 10 , after.query , "D3" )
// by shard key
m = new Mongo( s.s.name );
ts = m.getDB( "test" ).foo
before = rs.test.getMaster().adminCommand( "serverStatus" ).opcounters
for ( i=0; i<10; i++ )
assert.eq( 57 , ts.findOne( { x : 57 } ).x , "E1" )
m.setSlaveOk()
for ( i=0; i<10; i++ )
assert.eq( 57 , ts.findOne( { x : 57 } ).x , "E2" )
after = rs.test.getMaster().adminCommand( "serverStatus" ).opcounters
assert.eq( before.query + 10 , after.query , "E3" )
assert.eq( 100 , ts.count() , "E4" )
assert.eq( 100 , ts.find().itcount() , "E5" )
printjson( ts.find().batchSize(5).explain() )
assert.eq( 100 , ts.find().batchSize(5).itcount() , "E6" )
printjson( db.adminCommand( "getShardMap" ) );
s.stop()
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