Modify the listener.properties file (upgrade from 8.1 or 8.1.0.1 only)

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Modify the listener.properties file (upgrade from 8.1 or 8.1.0.1 only)

The steps in this section are not needed if you are upgrading from 8.1.0.2.

Perform these steps using the non-privileged user account on the application server.

  1. Navigate to the <INSTALL_DIR>/Signal/WEB-INF/classes directory. For example:

    $ cd /u01/stage/Signal_Install/Signal/WEB-INF/classes

  2. Using a text editor, open the listener.properties file.
  3. Edit the parameters according to the following table.

    If RGPS was already installed in 8.1.0.1, first three parameters may not need to be updated.

    Table describing the parameters for RGPS in the listener.properties file.

    Parameter

    Description

    Example

    r_path

    If R version 3.0.1 is installed on your application server, specify the path to the directory where R is installed.

    r_path=/usr/lib64/R

    rgps_command

    If R version 3.0.1 is installed on your application server and you want to enable Regression-adjusted Gamma Poisson Shrinker (RGPS) computations, specify the path to the command that starts R.

    You can execute the which R command to determine the path.

    For more information, see Install the RGPS add-on package to the R library.

    rgps_command=/usr/bin/R

    rgps_cpus_count

    Maximum Number of CPU cores to use in RGPS execution.

    This value should be less than the total number of CPU cores on the machine. A larger number will speed up RGPS execution but may affect other activities on the application server.

    rgps_cpus_count=2

    mgps_prr_mem_limit

    For the property mgps_prr_mem_limit, Signal 7.3 had a default value of 527343. Signal 8.x requires double the amount that was needed in version 7.3, with the default being 1054686.

    mgps_prr_mem_limit=1054686

  4. Save and close the file.
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