| From: | Gavin Sherry <swm(at)linuxworld(dot)com(dot)au> |
|---|---|
| To: | Heikki Linnakangas <heikki(at)enterprisedb(dot)com> |
| Cc: | pgsql-patches(at)postgresql(dot)org, Jie Zhang <jzhang(at)greenplum(dot)com> |
| Subject: | Re: On-disk bitmap index implementation |
| Date: | 2006-12-05 01:52:01 |
| Message-ID: | Pine.LNX.4.58.0612051250360.24982@linuxworld.com.au |
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| Thread: | |
| Lists: | pgsql-patches |
On Mon, 4 Dec 2006, Heikki Linnakangas wrote:
> > o Test WAL replay more thoroughly.
>
> I've had that problem too with a lot of things I've hacked. I've used a
> shell script that does the operation under test, runs a select, kills
> and restarts postmaster, and reruns the select. If the select after
> crash returns the same result as before, presumably WAL code works. But
> you need to watch out for full page writes that might mask bugs in the
> redo code.
>
> Anyone have a more sophisticated method?
Well, I've done a combination of what you did and replaying a bunch of
operations using PITR.
Thanks,
Gavin
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