Re: Monitoring Replication - Postgres 9.2

2016-11-30 14:21 GMT+13:00 John R Pierce <pierce(at)hogranch(dot)com>:

> On 11/29/2016 5:10 PM, Patrick B wrote:
>
>
> Yep.. once a minute or so. And yes, I need to store a history with
> timestamp.
>
> Any idea? :)
>
>
> so create a table with a timestamptz, plus all the fields you want, have a
> script (perl? python? whatever your favorite poison is with database
> access) that once a minute executes those two queries (you'll need two
> database connections since only the slave knows how far behind it is), and
> inserts the data into your table.
>
>
> --
> john r pierce, recycling bits in santa cruz
>
>

Can't I do it on the DB size? Using a trigger maybe? instead of using Cron?

Patrick