amansinha100 commented on code in PR #3852:
URL: https://github.com/apache/hive/pull/3852#discussion_r1073206272


##########
common/src/java/org/apache/hadoop/hive/conf/HiveConf.java:
##########
@@ -3710,7 +3710,12 @@ public static enum ConfVars {
     HIVE_EXPLAIN_USER("hive.explain.user", true,
         "Whether to show explain result at user level.\n" +
         "When enabled, will log EXPLAIN output for the query at user level. 
Tez only."),
-
+    HIVE_EXPLAIN_VISIT_LIMIT("hive.explain.visit.limit", 256, new 
RangeValidator(1, Integer.MAX_VALUE),

Review Comment:
   Thanks for the explanation. For now, I am good to keep this as is for 
EXPLAIN.  A global limit can be considered in the future but it's ok to wait 
for a real use case where that is needed. 



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