Re: pg_attribute_relid_attnam_index problem after log disk filled up

Tom Lane wrote:
>
> Palle Girgensohn <girgen(at)partitur(dot)se> writes:
> > What's this? What to do? Shall I bother?
>
> > pp=> vacuum;
> > NOTICE: Index pg_attribute_relid_attnam_index: NUMBER OF
> > INDEX' TUPLES (3094) IS NOT THE SAME AS HEAP' (3093)
>
> Under 6.5, if vacuum doesn't get rid of the message then I think the
> only way to do so is to dump and reload the database. (I'd strongly
> recommend updating to 7.0.2 while you do that.)
>
> The message in itself is not catastrophic, but it does raise the
> question of what other damage there might be. Updating would be
> a good idea anyway, considering all the bugs that got fixed between
> 6.5 and 7.0.

I continued this discussion, in more depth, on the pgsql-admin
list. I finally "gave up" and dumped|restored, updating not
7.0.2, but 6.5.3, since we are not just ready testing our
application with pg7 yet. soon. There are som futile, but
still, SQL differences.

> > The problem started when the log partition (where
> > postmaster logging output is written) was full, and some
> > backends crashed.
>
> Did they actually crash, or just hang up waiting for space to become
> available for the log file? That really shouldn't have been much of
> a problem, AFAICS.

Crashed when I killed them, if memory serves me (maybe the sig
6 ones, but I can't verify 100%).

$ dmesg
.....
pid 52915 (postgres), uid 70 on /usr/local: file system full
[logging was to /usr/local *blush* :-/ ]
pid 52915 (postgres), uid 70 on /usr/local: file system full
pid 52915 (postgres), uid 70 on /usr/local: file system full
pid 52915 (postgres), uid 70 on /usr/local: file system full
pid 52915 (postgres), uid 70 on /usr/local: file system full
pid 52915 (postgres), uid 70 on /usr/local: file system full
pid 52915 (postgres), uid 70 on /usr/local: file system full
pid 52915 (postgres), uid 70 on /usr/local: file system full
pid 52915 (postgres), uid 70 on /usr/local: file system full
pid 52915 (postgres), uid 70 on /usr/local: file system full
pid 52915 (postgres), uid 70 on /usr/local: file system full
pid 52915 (postgres), uid 70 on /usr/local: file system full
pid 52915 (postgres), uid 70 on /usr/local: file system full
pid 52915 (postgres), uid 70 on /usr/local: file system full
pid 53230 (postgres), uid 70: exited on signal 6 (core dumped)
pid 53357 (postgres), uid 70: exited on signal 6 (core dumped)
pid 53479 (postgres), uid 70: exited on signal 11 (core dumped)
pid 53481 (postgres), uid 70: exited on signal 11 (core dumped)
pid 53505 (postgres), uid 70: exited on signal 11 (core dumped)
pid 53510 (postgres), uid 70: exited on signal 11 (core dumped)

Cheers,
Palle