confVertex1.set(MRJobConfig.MAP_OUTPUT_KEY_CLASS, IntWritable.class.getName());
confVertex2.set(MRJobConfig.MAP_OUTPUT_KEY_CLASS, ByteWritable.class.getName());
confVertex1.unset(MRJobConfig.KEY_COMPARATOR);
confVertex1.unset(MRJobConfig.GROUP_COMPARATOR_CLASS);
confVertex2.unset(MRJobConfig.KEY_COMPARATOR);
confVertex2.unset(MRJobConfig.GROUP_COMPARATOR_CLASS);
MultiStageMRConfToTezTranslator.translateVertexConfToTez(confVertex1, null);
MultiStageMRConfToTezTranslator.translateVertexConfToTez(confVertex2,
confVertex1);