@Override
      public T newChannel() {
        try {
          return ReflectionUtils.instantiateWithCustomCtor(clazz.getName(),
            new Class[] { InternetProtocolFamily.class }, new Object[] { family });

        } catch (Throwable t) {
          throw new ChannelException("Unable to create Channel from class " + clazz, t);
        }
      }
Get the servers which died since a given timestamp. protected because it can be subclassed by
the tests.
hbase-server/src/main/java/org/apache/hadoop/hbase/master/ClusterStatusPublisher.java