public void testReadFormat() throws IOException, InterruptedException {
Benchmark b = new Benchmark("log4j format read");
b.mark("begin");
Log4jTextFileSource txt = new Log4jTextFileSource(HADOOP_DATA[0]);
txt.open();
MemorySinkSource mem = new MemorySinkSource();
mem.open();
EventUtil.dumpAll(txt, mem);
txt.close();
b.mark("log4j_disk_loaded");