Re: Streaming Questions and Sizing

On 07/01/2015 06:24 AM, Andy Erskine wrote:

CCing list

> Yes that's configured on the master

So the segments would pile up there not on the standby. You do not say
what OS you are using, but if it is a Unixen variation, then run:

du -h

on the master and standby directories to see where the capacity is being
used.

>
> On 1 Jul 2015 11:20 pm, "Adrian Klaver" <adrian(dot)klaver(at)aklaver(dot)com
> <mailto:adrian(dot)klaver(at)aklaver(dot)com>> wrote:
>
> On 06/30/2015 09:14 PM, Andy Erskine wrote:
>
> I have db of 123GB Currently and this is streaming to a secondary DB
> which also shows a size of 123GB (Using pgAdmin)
>
> The db's both reside on a 250GB directorys and on the Master i'm
> using
> 60% of capacity which seems expected
> On the secondary i am using 88% of the disks capacity. I assume
> this is
> something to do with the WAL segments ? which is currently
> wal_keep_segments = 500
>
>
> That is for the server sending the segments, so I would assume you
> are getting this number from the master not the standby?
>
>
> If this is the issue how do i go about tuning this to what is
> required ?
>
> If i make the segments to small then a restore may end up with an un
> synchronised database right ?
>
> thanks.
>
>
>
> --
> Adrian Klaver
> adrian(dot)klaver(at)aklaver(dot)com <mailto:adrian(dot)klaver(at)aklaver(dot)com>
>

--
Adrian Klaver
adrian(dot)klaver(at)aklaver(dot)com