static String readAll(MiniAccumuloCluster c, Class<? extends Object> klass, Process p)
     throws Exception {
   for (LogWriter writer : c.getLogWriters()) writer.flush();
   return readAll(
       new FileInputStream(
           c.getConfig().getLogDir() + "/" + klass.getSimpleName() + "_" + p.hashCode() + ".out"));
 }
 @Override
 public int hashCode() {
   return process.hashCode();
 }