...
CDAP Master: Service for managing runtime, lifecycle, and resources of CDAP applications (package cdap-master);
CDAP Router: Service supporting HTTP RESTful Microservices endpoints for CDAP (package cdap-gateway);
CDAP Kafka: Metrics and logging transport service, using an embedded version of Kafka (package cdap-kafka);
CDAP UI: User interface for managing CDAP applications (package cdap-ui); and
CDAP Authentication Server: Performs client authentication for CDAP when security is enabled (package cdap-security).
...
CDAP generates log files, following the settings in the configuration file logback.xml
, using Logback. Logs (for Distributed CDAP) are located in /var/log/cdap
. For CDAP Sandbox, they are located in <CDAP-HOME>/logs
.
If you have CDAP Security enabled, then you will have an additional file, cdap-security.xml
(documented in an appendix), with additional settings.
...
Determine your system architecture.
Review and meet the system requirements: hardware, network, and software.
Prepare your Hadoop cluster.
Install the CDAP components.
Configure the CDAP installation.
Start CDAP services.
Verify the CDAP installation.