hive.optimize.sort.dynamic.partition.threshold=0

settings/load-flat.sql

@@ -13,3 +13,5 @@ set hive.exec.max.created.files=1000000;
 set hive.stats.autogather=true;
 -- set hive.support.concurrency=false;
 -- set hive.txn.manager=org.apache.hadoop.hive.ql.lockmgr.DummyTxnManager;
+
+set hive.optimize.sort.dynamic.partition.threshold=0;