Specify the page size to use for a particular database file, in units
of 1024 bytes. The default for the
.B id2entry
-file is 16, the default for
-all other files is 4. The maximum that BerkeleyDB supports is 64. This
+file is 16, the default for all other files depends on the size of the
+underlying filesystem's block size (typically 4 or 8).
+The maximum that BerkeleyDB supports is 64. This
setting usually should not need to be changed, but if BerkeleyDB's
"db_stat -d" shows a large amount of overflow pages in use in a file,
setting a larger size may increase performance at the expense of