On Mon, Jul 8, 2013 at 09:16:32AM +0000, Heikki Linnakangas wrote:
> This has one user-visible change: switching to a new WAL segment with
> pg_switch_xlog() now fills the remaining unused portion of the segment with
> zeros. This potentially adds some overhead, but it has been a very common
> practice by DBA's to clear the "tail" of the segment with an external
> pg_clearxlogtail utility anyway, to make the WAL files compress better.
> With this patch, it's no longer necessary to do that.
So this removes the need to add pg_clearxlogtail to contrib? Great.
Thanks.
-- Bruce Momjian <bruce@momjian.us> http://momjian.us EnterpriseDB
http://enterprisedb.com
+ It's impossible for everything to be true. +