Re: including backend ID in relpath of temp rels - updated patch
Tom Lane <tgl@sss.pgh.pa.us>
From: Tom Lane <tgl@sss.pgh.pa.us>
To: Robert Haas <robertmhaas@gmail.com>
Cc: pgsql-hackers@postgresql.org
Date: 2010-08-05T23:05:01Z
Lists: pgsql-hackers
Robert Haas <robertmhaas@gmail.com> writes: > [ BackendRelFileNode patch ] One thing that I find rather distressing about this is the 25% bloat in sizeof(SharedInvalidationMessage). Couldn't we avoid that? Is it really necessary to *ever* send an SI message for a backend-local rel? I agree that one needs to send relcache inval sometimes for temp rels, but I don't see why each backend couldn't interpret that as a flush on its own local version. regards, tom lane