Set smaller default config value for SHJ

c21 · c21 · commit 11d138bf1882 · 2020-07-15T09:47:06.000-07:00
diff --git a/sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala b/sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala
@@ -2676,7 +2676,7 @@ object SQLConf {
       .version("3.1.0")
       .intConf
       .checkValue(_ > 0, "The difference must be positive.")
-      .createWithDefault(4)
+      .createWithDefault(2)
 
   /**
    * Holds information about keys that have been deprecated.
