Add a note about another issue that needs to be considered before

changing the TOAST size thresholds.

diff --git a/src/include/access/tuptoaster.h b/src/include/access/tuptoaster.h
index bb3ca635de9cdc4ebd80e491d142fe2b9429a1ed..46dc4b840a2de262cf2edbfa07b0bac83981d14b 100644 (file)
--- a/src/include/access/tuptoaster.h
+++ b/src/include/access/tuptoaster.h
@@ -40,7 +40,8 @@
  *
  * XXX while these can be modified without initdb, some thought needs to be
  * given to needs_toast_table() in toasting.c before unleashing random
- * changes.
+ * changes.  Also see LOBLKSIZE in large_object.h, which can *not* be
+ * changed without initdb.
  */
 #define TOAST_TUPLES_PER_PAGE  4