diff --git a/fe/fe-core/src/main/java/org/apache/doris/qe/SessionVariable.java b/fe/fe-core/src/main/java/org/apache/doris/qe/SessionVariable.java
index 869b30bdb4..ba9ccf806e 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/qe/SessionVariable.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/qe/SessionVariable.java
@@ -2405,9 +2405,9 @@ public class SessionVariable implements Serializable, Writable {
 
         tResult.setRepeatMaxNum(repeatMaxNum);
 
-        tResult.setExternalSortBytesThreshold(externalSortBytesThreshold);
+        tResult.setExternalSortBytesThreshold(0); // disable for now
 
-        tResult.setExternalAggBytesThreshold(externalAggBytesThreshold);
+        tResult.setExternalAggBytesThreshold(0); // disable for now
 
         tResult.setExternalAggPartitionBits(externalAggPartitionBits);