public int getKerberosServerActionThreadPoolSize() {
    return Integer.parseInt(getProperty(KERBEROS_SERVER_ACTION_THREADPOOL_SIZE));
  }
Gets the number of threads to use when executing server-side Kerberos
commands, such as generate keytabs.

@return the threadpool size, defaulting to 1
ambari-server/src/main/java/org/apache/ambari/server/configuration/Configuration.java