Re: buildfarm: could not read block 3 in file "base/16384/2662": read only 0 of 8192 bytes

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Andres Freund <andres(at)anarazel(dot)de>
Cc: Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, Peter Geoghegan <pg(at)bowt(dot)ie>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: buildfarm: could not read block 3 in file "base/16384/2662": read only 0 of 8192 bytes
Date: 2018-09-06 21:38:38
Message-ID: 21573.1536269918@sss.pgh.pa.us
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I wrote:
> So where are we on this? Should I proceed with my patch, or are we
> going to do further investigation? Does anyone want to do an actual
> patch review?

[ crickets... ]

So I took that as license to proceed, but while doing a final round of
testing I found out that a CLOBBER_CACHE_RECURSIVELY build fails,
because now that's an infinite recursion. On reflection it's a bit
surprising that it wasn't so all along. What I'm inclined to do about
it is to adjust AcceptInvalidationMessages so that there's a finite
recursion depth limit in the CLOBBER_CACHE_RECURSIVELY case, as there
already is in the CLOBBER_CACHE_ALWAYS case. Maybe 3 or so levels
would be enough.

regards, tom lane

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