public boolean getIsSilent() {
      SessionState ss = SessionState.get();
      // use the session or the one supplied in constructor
      return (ss != null) ? ss.getIsSilent() : isSilent;
    }
Is the logging to the info stream is enabled, or not.
@return True if the logging is disabled to the HiveServer2 or HiveCli info stream
ql/src/java/org/apache/hadoop/hive/ql/session/SessionState.java