docs: public static void dumpVmMetrics(String incidentId)
    {
      PrintWriter writer = null;
      try
      {
        String dumpFile = EventUtil.getDumpPathPrefix() + "/" +
                          INC_DUMP_FILE_NAME + incidentId + INC_DUMP_FILE_EXT;
  
        final OutputStream outStream =
            new GZIPOutputStream(new FileOutputStream(dumpFile));
        writer = new PrintWriter(outStream, true);
  
        final VirtualMachineMetrics vm = VirtualMachineMetrics.getInstance();
        writer.print("\n\n\n---------------------------  METRICS "
                     + "---------------------------\n\n");
        writer.flush();
        JsonFactory jf = new JsonFactory();
        jf.disable(JsonGenerator.Feature.AUTO_CLOSE_TARGET);
        ObjectMapper mapper = new ObjectMapper(jf);
  
        mapper.registerModule(new JodaModule());
        mapper.setDateFormat(new ISO8601DateFormat());
        mapper.configure(SerializationFeature.INDENT_OUTPUT, true);
        MetricsServlet metrics = new MetricsServlet(Clock.defaultClock(),
                                                    vm,
                                                    Metrics.defaultRegistry(),
                                                    jf,
                                                    true);
  
        final JsonGenerator json = jf.createGenerator(outStream,
                                                      JsonEncoding.UTF8);
        json.useDefaultPrettyPrinter();
        json.writeStartObject();
  
        // JVM metrics
        writeVmMetrics(json, vm);
  
        // Components metrics
        metrics.writeRegularMetrics(json, // json generator
                                    null, // class prefix
                                    false); // include full samples
  
        json.writeEndObject();
        json.close();
  
        logger.debug("Creating full thread dump in dump file {}", dumpFile);
  
        // Thread dump next....
        writer.print("\n\n\n---------------------------  THREAD DUMP "
                     + "---------------------------\n\n");
        writer.flush();
  
        vm.threadDump(outStream);
  
        logger.debug("Dump file {} is created.", dumpFile);
      }
      catch (Exception exc)
      {
        logger.error(
            "Unable to write dump file, exception: {}", exc.getMessage());
      }
      finally
      {
        if (writer != null)
        {
          writer.close();
        }
      }
    }