code: @SuppressWarnings("checkstyle:hiddenfield")
    public void setDriverInfo(final String identifier, final int memory, final String jobSubmissionDirectory) {
      if (identifier == null || identifier.isEmpty()) {
        throw new RuntimeException("driver id cannot be null or empty");
      }
      if (memory <= 0) {
        throw new RuntimeException("driver memory cannot be negative number: " + memory);
      }
      this.driverMemory = memory;
      this.driverId = identifier;
      if (jobSubmissionDirectory != null && !jobSubmissionDirectory.equals("empty")) {
        this.jobSubmissionDirectory = jobSubmissionDirectory;
      } else {
        LOG.log(Level.FINE, "No job submission directory provided by CLR user, will use " + this.jobSubmissionDirectory);
      }
    }
docs: Set the driver memory.