On Mon, Sep 12, 2011 at 10:04 AM, Ben Ciceron <ben(at)triggit(dot)com> wrote:
> hello,
>
> question about WAL on pg 9.0 :
>
> the doc at http://www.postgresql.org/docs/9.1/static/warm-standby.html#SYNCHRONOUS-REPLICATION
> (section 25.2.5.2. Monitoring) says:
>
> You can calculate this lag by comparing the current WAL write
> location on the primary with the last WAL location received by the
> standby.
>
> but the WAL values i get are not 177/13C4E158 , 177/13C52BC0 so how to
> calculate the lag ? should i apply a basic hex conversion first ?
Pretty much. See:
http://archives.postgresql.org/pgsql-hackers/2010-11/msg00252.php