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Updated on 2024-03-14 GMT+08:00

Network Port Requirements for Data Migration

HDFS Ports

Table 1 HDFS ports

Parameter

Default Port (Hadoop 2.x and Hadoop 3.x)

Port Description

dfs.namenode.rpc.port

9820

During the migration, you need to access NameNode to obtain the file list.

dfs.datanode.port

25009

During the migration, you need to access DataNode to read specific file data.

ZooKeeper Port

Table 2 ZooKeeper port

Parameter

Default Port

Port Description

clientPort

2181

Connection between the ZooKeeper client and server.

Kerberos Port

Table 3 Kerberos port

Parameter

Default Port

Port Description

kdc_ports

21732

Kerberos service authentication. This parameter is not involved in non-Kerberos clusters.

Hive Port

Table 4 Hive port

Parameter

Default Port (Hive 2.x and Hive3.x)

Port Description

hive.metastore.port

9083

Port for MetaStore to provide Thrift services During the migration, you need to access this port to query the table metadata.

HBase Port

Table 5 HBase port

Parameter

Default Port (HBase 1.x and HBase 2.x)

Port Description

hbase.master.port

16000

HMaster RPC port. This port is used to connect the HBase client to HMaster.

hbase.regionserver.port

16020

RegionServer (RS) RPC port. This port is used to connect the HBase client to RegionServer.

Manager Ports

Table 6 Manager ports

Parameter

Default Port

Port Description

N/A

28443

Port of the FusionInsight/MRS Manager page. During migration, CDM accesses this address to obtain the cluster configuration.

N/A

20009

CAS protocol port of FusionInsight/MRS Manager, which is used for login authentication.