Re: monitoring replicatgion : lag calculation - Mailing list pgsql-admin

From Ben Ciceron
Subject Re: monitoring replicatgion : lag calculation
Date
Msg-id CAOsHk6HmxHhD+VA+Bdq9oDcgUMPQEdOmB0PEji01QzNx4f2rfg@mail.gmail.com
Whole thread Raw
In response to Re: monitoring replicatgion : lag calculation  (Lonni J Friedman <netllama@gmail.com>)
List pgsql-admin
perfect - thx!

Cheers,
Ben-




On Mon, Sep 12, 2011 at 10:41 AM, Lonni J Friedman <netllama@gmail.com> wrote:
> On Mon, Sep 12, 2011 at 10:04 AM, Ben Ciceron <ben@triggit.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
>

pgsql-admin by date:

Previous
From: Lonni J Friedman
Date:
Subject: Re: monitoring replicatgion : lag calculation
Next
From: "marvin.deoliveira"
Date:
Subject: How backup an entire database, except 6 tables?