On Thu, 11 Apr 2002, Christopher Kings-Lynne wrote:
> Hi all,
>
> I got these odd messages while doing a vacuum in 7.1.3 0 - any idea what
> they mean? I assume it's not fatal as they're just notices, but I've never
> had them before and haven't had them since.
>
> NOTICE: RegisterSharedInvalid: SI buffer overflow
> NOTICE: InvalidateSharedInvalid: cache state reset
This just means that the cache invalidation buffer got overloaded and was
reset. Its not really a problem (except in terms of performance). I would
say that if you haven't seen this before your database is getting more
usage and/or more data.
To fix this increase shared_buffers.
Gavin