apply MADV_NORMAL advice to enable more aggressive readahead (#114410)

Author: ChrisHegarty

distribution/src/config/jvm.options

@@ -62,6 +62,9 @@
 23:-XX:CompileCommand=dontinline,java/lang/invoke/MethodHandle.setAsTypeCache
 23:-XX:CompileCommand=dontinline,java/lang/invoke/MethodHandle.asTypeUncached
 
+# Lucene 10: apply MADV_NORMAL advice to enable more aggressive readahead
+-Dorg.apache.lucene.store.defaultReadAdvice=normal
+
 ## heap dumps
 
 # generate a heap dump when an allocation from the Java heap fails; heap dumps