PORTS

see http://blog.cloudera.com/blog/2009/08/hadoop-default-ports-quick-reference/

== Inter-Server == 
Service                 Port      Comment / Config parameter name
HDFS
Namenode	              8020	    fs.default.name
Datanode	              50010	    dfs.datanode.address (data transfer)
Datanode	              50020	    dfs.datanode.ipc.address	IPC (metadata)
                                  
Zookeeper               2181      (2888 / 3888 for communication between zookeeper servers)
                                  
HBase                             
HMaster                 60000     
RegionServer            60020     
                                  
Kafak                             
Broker                  9092      
                                  
Storm                             
Nimbus                  6627      
Supervisor              6700-6703
                                  
== Service ==                     Should be available to the outside
Service                 Port      
HDFS	                            
Namenode	              50070	    dfs.http.address
Datanodes	              50075	    dfs.datanode.http.address
Secondarynamenode	      50090	    dfs.secondary.http.address
                                  
Map-Reduce                            
Resource Manager WebUI  8088      
Resource Manager        8032      For application submission
NodeManager Web UI      50060     yarn.nodemanager.webapp.address
//MR	Jobracker	        50030	    mapred.job.tracker.http.address
//Tasktrackers	        50060	    mapred.task.tracker.http.address
                        
Hbase
HMaster                 60010
Region Server           60030

Storm
StormUI                 8080

Order of starting services
HDFS
MapReduce
YARN
ZooKeeper
HBase
//Hue
//Oozie
//Impala
//Flume