On Thu, Aug 04, 2011 at 12:28:31PM -0400, Tom Lane wrote:
> daveg <da...@sonic.net> writes:
> > Summary: the failing process reads 0 rows from 0 blocks from the OLD
> > relfilenode. 
> Hmm.  This seems to mean that we're somehow missing a relation mapping
> invalidation message, or perhaps not processing it soon enough during
> some complex set of invalidations.  I did some testing with that in mind
> but couldn't reproduce the failure.  It'd be awfully nice to get a look
> at the call stack when this happens for you ... what OS are you running?

cat /etc/redhat-release 
Red Hat Enterprise Linux Server release 5.5 (Tikanga)
Linux version 2.6.18-194.el5

I can use gdb as well if we can get a core or stop the correct process.
Perhaps a long sleep when it hits this?
Or perhaps we could log invalidate processing for pg_class?


David Gould       da...@sonic.net      510 536 1443    510 282 0869
If simplicity worked, the world would be overrun with insects.

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