diff --git a/src/include/optimizer/internal.h b/src/include/optimizer/internal.h
index 09a7c0a377b68342970bf4fdc8a58ff623d6c641..3007917ef9ef20c088dc798e47c7790c802a0986 100644
--- a/src/include/optimizer/internal.h
+++ b/src/include/optimizer/internal.h
@@ -6,7 +6,7 @@
  *
  * Copyright (c) 1994, Regents of the University of California
  *
- * $Id: internal.h,v 1.3 1997/03/02 01:34:50 momjian Exp $
+ * $Id: internal.h,v 1.4 1997/04/09 02:24:19 vadim Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -27,9 +27,10 @@
  *    	System-dependent tuning constants
  *    
  */
-#define _CPU_PAGE_WEIGHT_  0.065      /* CPU-to-page cost weighting factor */
-#define _MAX_KEYS_     INDEX_MAX_KEYS /* maximum number of keys in an index */
-#define _TID_SIZE_     6              /* sizeof(itemid) (from ../h/itemid.h) */
+#define _CPU_PAGE_WEIGHT_  0.065	/* CPU-heap-to-page cost weighting factor */
+#define _CPU_INDEX_PAGE_WEIGHT_ 0.033	/* CPU-index-to-page cost weighting factor */
+#define _MAX_KEYS_     INDEX_MAX_KEYS	/* maximum number of keys in an index */
+#define _TID_SIZE_     6		/* sizeof(itemid) (from ../h/itemid.h) */
 
 /*    
  *    	Size estimates