On Thu, May 29, 2014 at 11:32 AM, Peter Geoghegan <p...@heroku.com> wrote:

> On Wed, May 28, 2014 at 10:49 PM, Fujii Masao <masao.fu...@gmail.com>
> wrote:
> > You're concerned about the scenario using pg_upgrade?
>
Yeah - I was.

>  I'm not sure the detail
> > of pg_upgrade. But if it doesn't work properly, we should have gotten
> > the trouble
>
> I'm not worried about pg_upgrade, because by design pg_stat_statements
> will discard stats files that originated in earlier versions. However,
> I don't see a need to change pg_stat_statements to serialize its
> statistics to disk in the pg_stat directory before we branch off 9.4.
> As you mentioned, it's harmless.
>
K.
I was just curious about the scenario.
If it was discarding the stats files that originated in earlier version, It
should be ok.


--

Thanks & Regards,
Ashesh Vashi


>
> --
> Peter Geoghegan
>

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