
* Test to see if calling PreallocXlogFiles() from the background writer will help with WAL segment creation latency http://archives.postgresql.org/pgsql-patches/2007-06/msg00340.php
* Test to see if calling PreallocXlogFiles() from the background writer will help with WAL segment creation latency http://archives.postgresql.org/pgsql-patches/2007-06/msg00340.php