| From: | "Simon Riggs" <simon(at)2ndquadrant(dot)com> |
|---|---|
| To: | "'Neil Conway'" <neilc(at)samurai(dot)com> |
| Cc: | <josh(at)agliodbs(dot)com>, <pgsql-performance(at)postgresql(dot)org>, <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: [HACKERS] WAL Optimisation - configuration and usage |
| Date: | 2004-03-09 20:26:55 |
| Message-ID: | 006601c40614$df319e20$f3bd87d9@LaptopDellXP |
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| Thread: | |
| Lists: | pgsql-hackers pgsql-hackers-pitr pgsql-performance |
>Neil Conway
> Simon Riggs wrote:
> > On the other hand, I was just about to change the wal_debug
behaviour to
> > allow better debugging of PITR features as they're added.
>
> That's a development activity. Enabling the WAL_DEBUG #ifdef by
> default during the 7.5 development cycle would be uncontroversial, I
> think.
Yes that's the best proposal. Can I leave that with you?
> > I think it is very important to be able to put the system fairly
> > easily into debug mode
>
> It is? Why would this be useful for non-development activities?
>
> (It may well be the case that we ought to report more or better
> information about the status of the WAL subsystem; but WAL_DEBUG is
> surely not the right mechanism for emitting information intended for
> an administrator.)
Right again. I guess my proposal amounted to quick-and-dirty logging.
I'll think some more.
Best Regards, Simon Riggs
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