private static void clearBreadcrumb(Thread t) {
    String name = t.getName();
    int i = name.indexOf(CommonBreadcrumbStart);
    if (i >= 0) {
      t.setName(name.substring(0, i));
    }
  }
clears the breadcrumb from the name of the given thread
geode-core/src/main/java/org/apache/geode/internal/util/Breadcrumbs.java