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Externalized OpenCDS configuration options are stored in the locations below:

• If running as a non-system user:
  
%HOME%\.opencds\opencds.propertiesNOTE:

• If OpenCDS is running on tomcat as a service on a Windows system, the configuration will likely have to live at the root (i.e., C:\as the system user:
  
  C:\Windows\System32\config\systemprofile\.opencds\opencds.properties), as there is no default user.

knowledge-repository.type=<repository type>
knowledge-repository.path=<repository path>
config.security=<path to security config file>
log4j.logfile=<full path to log file>
km.threads=4

• knowledge-repository.type may be one of the three following values:

  • STORE

  • SIMPLE_FILE

  • CLASSPATH

• knowledge-repository.path is the absolute or relative path to the configuration, depending upon which type is chosen (above).
  • Example configurations for SIMPLE_FILE may include:
    • C:/opencds/opencds-knowledge-repository-data/resources_v1.3
    • C:/opencds-knowledge-repository-data/resources_v1.3
    • etc.
  • The path for the CLASSPATH type is relative to the classpath of the running JVM (e.g., Tomcat).
    • resources_v1.3
• config.security is the location of the security configuration for the REST services.

  • For an example configuration, see: REST Security
• log4j.logfile is the location used by OpenCDS to write the logs.  This line is optional.  Typical values may include:
  • C:/opencds/opencds.log
  • etc.
• km.threads is the number of threads per knowledge module.
  • This can increase throughput of the system, depending upon the number of rules being run for each request. 
  • Best practice shows that the number of km.threads should be kept to the same number of CPUs (or CPU cores).

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