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      Help Center/ MapReduce Service/ User Guide (Kuala Lumpur Region)/ Accessing Web Pages of Open Source Components Managed in MRS Clusters/ List of Open Source Component Ports

      List of Open Source Component Ports

      Updated on 2022-08-12 GMT+08:00
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      Common HBase Ports

      The protocol type of all ports in the table is TCP.

      Parameter

      Default Port

      Port Description

      hbase.master.port

      16000

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

      NOTE:

      The port ID is a recommended value and is specified based on the product. The port range is not restricted in the code.

      • Is the port enabled by default during the installation: Yes
      • Is the port enabled after security hardening: Yes

      hbase.master.info.port

      16010

      HMaster HTTPS port. This port is used by the remote web client to connect to the HMaster UI.

      NOTE:

      The port ID is a recommended value and is specified based on the product. The port range is not restricted in the code.

      • Is the port enabled by default during the installation: Yes
      • Is the port enabled after security hardening: Yes

      hbase.regionserver.port

      16020

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

      NOTE:

      The port ID is a recommended value and is specified based on the product. The port range is not restricted in the code.

      • Is the port enabled by default during the installation: Yes
      • Is the port enabled after security hardening: Yes

      hbase.regionserver.info.port

      16030

      HTTPS port of the Region server. This port is used by the remote web client to connect to the RegionServer UI.

      NOTE:

      The port ID is a recommended value and is specified based on the product. The port range is not restricted in the code.

      • Is the port enabled by default during the installation: Yes
      • Is the port enabled after security hardening: Yes

      hbase.thrift.info.port

      9095

      Thrift Server listening port of Thrift Server.

      This port is used for:

      Listening when the client is connected

      NOTE:

      The port ID is a recommended value and is specified based on the product. The port range is not restricted in the code.

      • Is the port enabled by default during the installation: Yes
      • Is the port enabled after security hardening: Yes

      hbase.regionserver.thrift.port

      9090

      Thrift Server listening port of RegionServer.

      This port is used for:

      Listening when the client is connected to the RegionServer

      NOTE:

      The port ID is a recommended value and is specified based on the product. The port range is not restricted in the code.

      • Is the port enabled by default during the installation: Yes
      • Is the port enabled after security hardening: Yes

      hbase.rest.info.port

      8085

      Port of the RegionServer RESTServer native web page

      -

      21309

      REST port of RegionServer RESTServer

      Common HDFS Ports

      The protocol type of all ports in the table is TCP.

      Parameter

      Default Port

      Port Description

      dfs.namenode.rpc.port
      • 9820 (versions earlier than MRS 3.x)
      • 8020 (MRS 3.x and later)

      NameNode RPC port.

      This port is used for:

      1. Communication between the HDFS client and NameNode

      2. Connection between the DataNode and NameNode

      NOTE:

      The port ID is a recommended value and is specified based on the product. The port range is not restricted in the code.

      • Is the port enabled by default during the installation: Yes
      • Is the port enabled after security hardening: Yes

      dfs.namenode.http.port

      9870

      HDFS HTTP port (NameNode).

      This port is used for:

      1. Point-to-point NameNode checkpoint operations.

      2. Connecting the remote web client to the NameNode UI

      NOTE:

      The port ID is a recommended value and is specified based on the product. The port range is not restricted in the code.

      • Is the port enabled by default during the installation: Yes
      • Is the port enabled after security hardening: Yes

      dfs.namenode.https.port

      9871

      HDFS HTTPS port (NameNode).

      This port is used for:

      1. Point-to-point NameNode checkpoint operations

      2. Connecting the remote web client to the NameNode UI

      NOTE:

      The port ID is a recommended value and is specified based on the product. The port range is not restricted in the code.

      • Is the port enabled by default during the installation: Yes
      • Is the port enabled after security hardening: Yes

      dfs.datanode.ipc.port

      9867

      IPC server port of DataNode.

      This port is used for:

      Connection between the client and DataNode to perform RPC operations.

      NOTE:

      The port ID is a recommended value and is specified based on the product. The port range is not restricted in the code.

      • Is the port enabled by default during the installation: Yes
      • Is the port enabled after security hardening: Yes

      dfs.datanode.port

      9866

      DataNode data transmission port.

      This port is used for:

      1. Transmitting data from HDFS client from or to the DataNode

      2. Point-to-point DataNode data transmission

      NOTE:

      The port ID is a recommended value and is specified based on the product. The port range is not restricted in the code.

      • Is the port enabled by default during the installation: Yes
      • Is the port enabled after security hardening: Yes

      dfs.datanode.http.port

      9864

      DataNode HTTP port.

      This port is used for:

      Connecting to the DataNode from the remote web client in security mode

      NOTE:

      The port ID is a recommended value and is specified based on the product. The port range is not restricted in the code.

      • Is the port enabled by default during the installation: Yes
      • Is the port enabled after security hardening: Yes

      dfs.datanode.https.port

      9865

      HTTPS port of DataNode.

      This port is used for:

      Connecting to the DataNode from the remote web client in security mode

      NOTE:

      The port ID is a recommended value and is specified based on the product. The port range is not restricted in the code.

      • Is the port enabled by default during the installation: Yes
      • Is the port enabled after security hardening: Yes

      dfs.JournalNode.rpc.port

      8485

      RPC port of JournalNode.

      This port is used for:

      Client communication to access multiple types of information

      NOTE:

      The port ID is a recommended value and is specified based on the product. The port range is not restricted in the code.

      • Is the port enabled by default during the installation: Yes
      • Is the port enabled after security hardening: Yes

      dfs.journalnode.http.port

      8480

      JournalNode HTTP port

      This port is used for:

      Connecting to the JournalNode from the remote web client in security mode

      NOTE:

      The port ID is a recommended value and is specified based on the product. The port range is not restricted in the code.

      • Is the port enabled by default during the installation: Yes
      • Is the port enabled after security hardening: Yes

      dfs.journalnode.https.port

      8481

      HTTPS port of JournalNode.

      This port is used for:

      Connecting to the JournalNode from the remote web client in security mode

      NOTE:

      The port ID is a recommended value and is specified based on the product. The port range is not restricted in the code.

      • Is the port enabled by default during the installation: Yes
      • Is the port enabled after security hardening: Yes

      httpfs.http.port

      14000

      Listening port of the HttpFS HTTP server.

      This port is used for:

      Connecting to the HttpFS from the remote REST API

      NOTE:

      The port ID is a recommended value and is specified based on the product. The port range is not restricted in the code.

      • Is the port enabled by default during the installation: Yes
      • Is the port enabled after security hardening: Yes

      Common Hive Ports

      The protocol type of all ports in the table is TCP.

      Parameter

      Default Port

      Port Description

      templeton.port

      9111

      Port used by WebHCat for providing the REST service.

      This port is used for:

      Communication between the WebHCat client and WebHCat server

      • Is the port enabled by default during the installation: Yes
      • Is the port enabled after security hardening: Yes

      hive.server2.thrift.port

      10000

      Port for HiveServer to provide Thrift services.

      This port is used for:

      Communication between the HiveServer and HiveServer client

      • Is the port enabled by default during the installation: Yes
      • Is the port enabled after security hardening: Yes

      hive.metastore.port

      9083

      Port for MetaStore to provide Thrift services.

      This port is used for:

      Communication between the MetaStore client and MetaStore, that is, communication between HiveServer and MetaStore.

      • Is the port enabled by default during the installation: Yes
      • Is the port enabled after security hardening: Yes

      hive.server2.webui.port

      10002

      Web UI port of Hive.

      This port is used for: HTTPS/HTTP communication between Web requests and the Hive UI server

      Common Hue Ports

      The protocol type of all ports in the table is TCP.

      Parameter

      Default Port

      Port Description

      HTTP_PORT

      8888

      Port for Hue to provide HTTPS services.

      This port is used for: providing web services in HTTPS mode (The port can be modified.)

      • Is the port enabled by default during the installation: Yes
      • Is the port enabled after security hardening: Yes

      Common Kafka Ports

      The protocol type of all ports in the table is TCP.

      Parameter

      Default Port

      Port Description

      port

      9092

      Port for a broker to receive data and obtain services

      ssl.port

      9093

      SSL port used by a broker to receive data and obtain services

      sasl.port

      21007

      SASL security authentication port provided by a broker, which provides the secure Kafka service

      sasl-ssl.port

      21009

      Port used by a broker to provide encrypted service based on the SASL and SSL protocols

      Common Loader Ports

      The protocol type of all ports in the table is TCP.

      Parameter

      Default Port

      Port Description

      LOADER_HTTPS_PORT

      21351

      This port is used for: providing REST APIs for configuration and running of Loader jobs

      • Is the port enabled by default during the installation: Yes
      • Is the port enabled after security hardening: Yes

      Common Manager Ports

      The protocol type of all ports in the table is TCP.

      Parameter

      Default Port

      Port Description

      -

      8080

      Port provided by WebService for user access.

      This port is used to access the web UI over HTTP.

      • Is the port enabled by default during the installation: Yes
      • Is the port enabled after security hardening: Yes

      -

      28443

      Port provided by WebService for user access.

      This port is used to access the web UI over HTTPS.

      • Is the port enabled by default during the installation: Yes
      • Is the port enabled after security hardening: Yes

      Common MapReduce Ports

      The protocol type of all ports in the table is TCP.

      Parameter

      Default Port

      Port Description

      mapreduce.jobhistory.webapp.port

      19888

      Web HTTP port of the JobHistory server.

      This port is used for: viewing the web page of the JobHistory server

      NOTE:

      The port ID is a recommended value and is specified based on the product. The port range is not restricted in the code.

      • Is the port enabled by default during the installation: Yes
      • Is the port enabled after security hardening: Yes

      mapreduce.jobhistory.port

      10020

      Port of the JobHistory server.

      This port is used for:

      1. Task data restoration in the MapReduce client

      2. Obtaining task report in the Job client

      NOTE:

      The port ID is a recommended value and is specified based on the product. The port range is not restricted in the code.

      • Is the port enabled by default during the installation: Yes
      • Is the port enabled after security hardening: Yes

      mapreduce.jobhistory.webapp.https.port

      19890

      Web HTTPS port of the JobHistory server.

      This port is used for: viewing the web page of the JobHistory server

      NOTE:

      The port ID is a recommended value and is specified based on the product. The port range is not restricted in the code.

      • Is the port enabled by default during the installation: Yes
      • Is the port enabled after security hardening: Yes

      Common Spark Ports

      The protocol type of all ports in the table is TCP.

      Parameter

      Default Port

      Port Description

      hive.server2.thrift.port

      22550

      JDBC thrift port.

      This port is used for:

      Socket communication between Spark2.1.0 CLI/JDBC client and server

      NOTE:

      If hive.server2.thrift.port is occupied, an exception indicating that the port is occupied is reported.

      • Is the port enabled by default during the installation: Yes
      • Is the port enabled after security hardening: Yes

      spark.ui.port

      4040

      Web UI port of JDBC

      This port is used for: HTTPS/HTTP communication between Web requests and the JDBC Server Web UI server

      NOTE:

      The system verifies the port configuration. If the port is invalid, the value of the port plus 1 is used till the calculated value is valid. (A maximum number of 16 attempts are allowed. The number of attempts is specified by spark.port.maxRetries.)

      • Is the port enabled by default during the installation: Yes
      • Is the port enabled after security hardening: Yes

      spark.history.ui.port

      18080

      JobHistory Web UI port

      This port is used for: HTTPS/HTTP communication between Web requests and Spark2.1.0 History Server

      NOTE:

      The system verifies the port configuration. If the port is invalid, the value of the port plus 1 is used till the calculated value is valid. (A maximum number of 16 attempts are allowed. The number of attempts is specified by spark.port.maxRetries.)

      • Is the port enabled by default during the installation: Yes
      • Is the port enabled after security hardening: Yes

      Common Storm Ports

      The protocol type of all ports in the table is TCP.

      Parameter

      Default Port

      Port Description

      nimbus.thrift.port

      6627

      Port for Nimbus to provide thrift services

      supervisor.slots.ports

      6700,6701,6702,6703

      Port for receiving service requests that are forwarded from other servers

      logviewer.https.port

      29248

      Port for the LogViewer to provide HTTPS services

      ui.https.port

      29243

      Port for the Storm UI to provide HTTPS services (ui.https.port)

      Common Yarn Ports

      The protocol type of all ports in the table is TCP.

      Parameter

      Default Port

      Port Description

      yarn.resourcemanager.webapp.port

      8088

      Web HTTP port of the ResourceManager service.

      yarn.resourcemanager.webapp.https.port

      8090

      Web HTTPS port of the ResourceManager service.

      This port is used for: accessing the Resource Manager web applications in security mode

      NOTE:

      The port ID is a recommended value and is specified based on the product. The port range is not restricted in the code.

      • Is the port enabled by default during the installation: Yes
      • Is the port enabled after security hardening: Yes

      yarn.nodemanager.webapp.port

      8042

      NodeManager Web HTTP port

      yarn.nodemanager.webapp.https.port

      8044

      NodeManager Web HTTPS port.

      This port is used for:

      Accessing the NodeManager web application in security mode

      NOTE:

      The port ID is a recommended value and is specified based on the product. The port range is not restricted in the code.

      • Is the port enabled by default during the installation: Yes
      • Is the port enabled after security hardening: Yes

      Common ZooKeeper Ports

      The protocol type of all ports in the table is TCP.

      Parameter

      Default Port

      Port Description

      clientPort

      2181

      ZooKeeper client port.

      This port is used for:

      Connection between the ZooKeeper client and server.

      NOTE:

      The port ID is a recommended value and is specified based on the product. The port range is not restricted in the code.

      • Is the port enabled by default during the installation: Yes
      • Is the port enabled after security hardening: Yes

      Common Kerberos Ports

      The protocol type of all ports in the table is UDP.

      Parameter

      Default Port

      Port Description

      kdc_ports

      21732

      Kerberos server port.

      This port is used for:

      Performing Kerberos authentication for components This parameter may be used during the configuration of mutual trust between clusters.

      NOTE:

      The port ID is a recommended value and is specified based on the product. The port range is not restricted in the code.

      • Is the port enabled by default during the installation: Yes
      • Is the port enabled after security hardening: Yes

      Common OpenTSDB Ports

      The protocol type of the port in the table is TCP.

      Parameter

      Default Port

      Port Description

      tsd.network.port

      4242

      Web UI port of OpenTSDB.

      This port is used for: HTTPS/HTTP communication between web requests and the OpenTSDB UI server

      Common Tez Ports

      The protocol type of the port in the table is TCP.

      Parameter

      Default Port

      Port Description

      tez.ui.port

      28888

      Web UI port of Tez

      Common KafkaManager Ports

      The protocol type of the port in the table is TCP.

      Parameter

      Default Port

      Port Description

      kafka_manager_port

      9099

      Web UI port of KafkaManager.

      Common Presto Ports

      The protocol type of the port in the table is TCP.

      Parameter

      Default Port

      Port Description

      http-server.http.port

      7520

      HTTP port of Presto coordinator to provide services for external entities

      http-server.https.port

      7521

      HTTPS port of Presto coordinator to provide services for external entities

      http-server.http.port

      7530

      HTTP port used by Presto worker to provide services for external entities

      http-server.https.port

      7531

      HTTPS port used by Presto worker to provide services for external entities

      Common Flink Ports

      The protocol type of the port in the table is TCP.

      Parameter

      Default Port

      Port Description

      jobmanager.web.port

      32261-32325

      Web UI port of Flink.

      This port is used for: HTTP/HTTPS communication between the client web requests and Flink server

      Common ClickHouse Ports

      The protocol type of the port in the table is TCP.

      Parameter

      Default Port

      Port Description

      tcp_port

      9000

      TCP port for accessing the service client.

      http_port

      8123

      HTTP port for accessing the service client.

      https_port

      8443

      HTTPS port for accessing the service client.

      tcp_port_secure

      9440

      TCP With SSL port for accessing the service client. This port is enabled only in security mode by default.

      Common Impala Ports

      The protocol type of the port in the table is TCP.

      Parameter

      Default Port

      Port Description

      --beeswax_port

      21000

      Port for impala-shell communication.

      --hs2_port

      21050

      Port for Impala application communication.

      --hs2_http_port

      28000

      Port used by Impala to provide the HiveServer2 protocol for external systems.

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