3ff8ed
@@ -146,7 +146,7 @@
 
     HIVEMERGEMAPFILES("hive.merge.mapfiles", true),
     HIVEMERGEMAPREDFILES("hive.merge.mapredfiles", false),
-    HIVEMERGEMAPFILESSIZE("hive.merge.size.per.task", (long)(1000*1000*1000)),
+    HIVEMERGEMAPFILESSIZE("hive.merge.size.per.task", (long)(256*1000*1000)),
       
     HIVESENDHEARTBEAT("hive.heartbeat.interval", 1000),
 
