Ports Used by Cloudera Manager and Cloudera Navigator
The following diagram provides an overview of the ports used by Cloudera Manager, Cloudera Navigator, and Cloudera Management Service roles:
For further details, see the following table. All ports listed are TCP.
In the following table, the Access Requirement column for each port is usually either "Internal" or "External." In this context, "Internal" means that the port is used only for communication among the components; "External" means that the port can be used for either internal or external communication.
Component | Service | Port | Access Requirement | Configuration | Comment |
---|---|---|---|---|---|
Cloudera Manager Server | HTTP (Web UI) | 7180 | External | Administration > Settings > Ports and Addresses | |
HTTPS (Web UI) | 7183 | External | Used for HTTPS on master, if enabled. HTTP is the default; port 7180 is open, but is redirected to port 7183. | ||
Avro (RPC) | 7182 | Internal | Used for Agent to Server heartbeats | ||
PostgreSQL database managed by cloudera-scm-server-db service | 7432 | Internal | The optional embedded PostgreSQL database used for storing configuration information for Cloudera Manager Server. | ||
Peer-to-peer parcel distribution | 4443, 7190, 7191 | Internal | Hosts > All Hosts > Configuration > P2P Parcel Distribution Port | Used to distribute parcels to cluster hosts during installation and upgrade operations. | |
Cloudera Manager Agent | HTTP (Debug) | 9000 | Internal |
/etc/cloudera-scm-agent/config.ini |
|
Internal supervisord | localhost: 19001 | localhost | supervisord status and control port; used for communication between the Agent and supervisord; only open internally (on localhost) | ||
Event Server | Listens for the publication of events. | 7184 | Internal | Cloudera Management Service > Configuration > Ports and Addresses | |
Listens for queries for events. | 7185 | Internal | |||
HTTP (Debug) | 8084 | Internal | Allows access to debugging and diagnostic information | ||
Alert Publisher | Internal API | 10101 | Internal | Cloudera Management Service > Configuration > Ports and Addresses | |
Service Monitor | HTTP (Debug) | 8086 | Internal | Cloudera Management Service > Configuration > Ports and Addresses | |
Listening for Agent messages (private protocol) | 9997 | Internal | |||
Internal query API (Avro) | 9996 | Internal | |||
Activity Monitor | HTTP (Debug) | 8087 | Internal | Cloudera Management Service > Configuration > Ports and Addresses | |
Listening for Agent messages (private protocol) | 9999 | Internal | |||
Internal query API (Avro) | 9998 | Internal | |||
Host Monitor | HTTP (Debug) | 8091 | Internal | Cloudera Management Service > Configuration > Ports and Addresses | |
Listening for Agent messages (private protocol) | 9995 | Internal | |||
Internal query API (Avro) | 9994 | Internal | |||
Reports Manager | Queries (Thrift) | 5678 | Internal | Cloudera Management Service > Configuration > Ports and Addresses | |
HTTP (Debug) | 8083 | Internal | |||
Cloudera Navigator | Cloudera Management Service > Configuration > Ports and Addresses | ||||
Audit Server | HTTP | 7186 | Internal | ||
HTTP (Debug) | 8089 | Internal | The port where Navigator Audit Server runs a debug web server. Set to -1 to disable debug server. | ||
Metadata Server | HTTP (Web UI) | 7187 | External | ||
Task Tracker Plug-in (used for activity monitoring) | HTTP (Debug) | localhost: 4867 | localhost | Used only on localhost interface by monitoring agent | |
Backup and Disaster Recovery | HTTP (Web UI) | 7180 | External | Administration > Settings > Ports and Addresses | Used for communication to peer (source) Cloudera Manager. |
HDFS NameNode | 8020 | External | HDFS > Configuration > Ports and Addresses > NameNode Port | HDFS and Hive/Impala replication: communication from destination HDFS and MapReduce hosts to source HDFS NameNode(s). Hive/Impala Replication: communication from source Hive hosts to destination HDFS NameNode(s). | |
HDFS DataNode | 50010 | External | HDFS > Configuration > Ports and Addresses > DataNode Transceiver Port | HDFS and Hive/Impala replication: communication from destination HDFS and MapReduce hosts to source HDFS DataNode(s). Hive/Impala Replication: communication from source Hive hosts to destination HDFS DataNode(s). |
Page generated March 7, 2018.
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