}
} else if (key.flag() == IngressKeyType.VERTEXKEY) {
reduceVertex(key.vid(), iter, reporter);
VrecordFormatter vformatter = new JsonVrecordFormatter();
out.collect(new Text("vrecord"),
new Text(vformatter.vrecordWriter(vrecord).toString()));
} else {
LOG.error("Unknown key type: " + key.flag());
}
}