GunzipDecorator<EventSink> gunz = new GunzipDecorator<EventSink>(mem3);
gunz.open();
gunz.append(gzbe);
Event gunze = mem3.next();
int origsz = new WriteableEvent(be).toBytes().length;
int gzipsz = new WriteableEvent(gzbe).toBytes().length;
int ungzsz = new WriteableEvent(gunze).toBytes().length;
LOG.info(String.format("before: %d gzip: %d gunzip: %d", origsz, gzipsz,
ungzsz));
assertTrue(origsz > gzipsz); // got some benefit for compressing?