Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/19266#discussion_r143343926
--- Diff:
sql/catalyst/src/main/java/org/apache/spark/sql/catalyst/expressions/codegen/BufferHolder.java
---
@@ -35,6 +35,11 @@
* if the fields of row are all fixed-length, as the size of result row is
also fixed.
*/
public class BufferHolder {
+
+ // Some JVMs can't allocate arrays of length Integer.MAX_VALUE; actual
max is somewhat
+ // smaller. Be conservative and lower the cap a little.
+ private static final int ARRAY_MAX = Integer.MAX_VALUE - 8;
--- End diff --
Just curious how to get this value `-8`?
Also cc @liufengdb
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