yiguolei commented on code in PR #28103:
URL: https://github.com/apache/doris/pull/28103#discussion_r1435902181


##########
fe/fe-core/src/main/java/org/apache/doris/qe/SessionVariable.java:
##########
@@ -784,7 +792,19 @@ public class SessionVariable implements Serializable, 
Writable {
 
     @VariableMgr.VarAttr(name = ENABLE_SHARED_SCAN, fuzzy = false, varType = 
VariableAnnotation.EXPERIMENTAL,
             needForward = true)
-    private boolean enableSharedScan = false;
+    private boolean enableSharedScan = true;
+
+    @VariableMgr.VarAttr(name = ENABLE_PARALLEL_SCAN, fuzzy = false, varType = 
VariableAnnotation.EXPERIMENTAL,
+            needForward = true)
+    private boolean enableParallelScan = true;

Review Comment:
   这个也是默认值为false,默认不要开。
   我们可以再流水线里开。



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