SimpleRegexReporterBuilder bld = new SimpleRegexReporterBuilder(
HADOOP_REGEXES);
Collection<RegexGroupHistogramSink> sinks = bld.load();
MultiReporter snk = new MultiReporter("hadoop_regex_sinks", sinks);
snk.open();
b.mark("filters_loaded", new File(HADOOP_REGEXES).getName(), sinks.size());
EventUtil.dumpAll(mem, snk);
b.mark(snk.getName() + " done");
b.done();
}