Configurations

Following configurations are required for Rserve in remote nodes where Open-R engine is installed:

1. Create Rserv.conf file in /etc and make following entries:
   workdir /tmp/Rserv
   pwdfile /etc/Rserveusers
   remote enable
   auth enable
   plaintext enable
   port 6311
   maxsendbuf 0
   interactive no
   For more details, refer the link: http://rforge.net/Rserve/doc.html.

   Note:

   The user who starts the R Server should have the read-write permissions for the working directory.
2. Set the Environment variables for R:
   JAVA_HOME={java home path}
   JAVA_BIN={java bin path}
   LD_LIBRARY_PATH={LD library path}
   Note the following:
   • If RJDBC connection is required, copy the ojdbc<version>.jar file to the lib directory in the remote file path configured. The version of ojdbc<version>.jar file is based on the Java version.
   • The lib and conf folders have to be created under the path mentioned in <REMOTE_FILE_PATH> tag.
   • For the Kerberos authentication the required jaas-conf, krb-conf and keytab files have to be placed under conf folder. The jaas-conf file name should be same as that of the keytab file name. It should be placed under the conf folder in the read-write path in remote machine or in the $FIC_DB_HOME/conf folder in case of local executions. The krb5 conf file name should be same as the name configured in the table.
   • Hive and Hadoop related jars should be copied to the lib folder mentioned in the <REMOTE_FILE_PATH> tag.