update

apache · Jan 30, 2018 · c64bdfa · c64bdfa
1 parent 4b358dc
commit c64bdfa
Showing 1 changed file with 4 additions and 1 deletion.
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
@@ -661,7 +661,10 @@ object SQLConf {
     .internal()
     .doc("The maximum bytecode size of a single compiled Java function generated by whole-stage " +
       "codegen. When the compiled function exceeds this threshold, the whole-stage codegen is " +
-      "deactivated for this subtree of the current query plan. The default value is 65535.")
+      "deactivated for this subtree of the current query plan. The default value is 65535, which " +
+      "is the largest bytecode size possible for a valid Java method. When running on HotSpot, " +
+      s"it may be preferable to set the value to ${CodeGenerator.DEFAULT_JVM_HUGE_METHOD_LIMIT} " +
+      "to match HotSpot's implementation.")
     .intConf
     .createWithDefault(65535)