RecordBatchDef rbd = batch.getHeader().getDef();
boolean schemaChanged = batchLoader.load(rbd, batch.getBody());
stats.addLongStat(Metric.BYTES_RECEIVED, batch.getByteCount());
batch.release();
if(schemaChanged) {
this.schema = batchLoader.getSchema();
stats.batchReceived(0, rbd.getRecordCount(), true);
return IterOutcome.OK_NEW_SCHEMA;
} else {