From: Tom Lane <tgl@sss.pgh.pa.us>
To: Andres Freund <andres@anarazel.de>
cc: Tomas Vondra <tomas.vondra@2ndquadrant.com>, Peter Geoghegan <pg@bowt.ie>,
        PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Subject: Re: buildfarm: could not read block 3 in file "base/16384/2662": read
 only 0 of 8192 bytes
In-reply-to: <30649.1535813665@sss.pgh.pa.us>
References: <20180828075213.yqyl3w2gpd5heopd@alap3.anarazel.de>
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 <6970.1535512705@sss.pgh.pa.us>
 <20180829032714.6yu3bxdywcvyj2li@alap3.anarazel.de>
 <20180829032908.o46wdjmti6c6dfep@alap3.anarazel.de>
 <20180829083730.n645apqhb2gyih3g@alap3.anarazel.de>
 <17825.1535556627@sss.pgh.pa.us> <25024.1535579899@sss.pgh.pa.us>
 <20180831221331.3l22nwxrokqeujav@alap3.anarazel.de>
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 <20180901002101.ph6cngswhqfmpaeh@alap3.anarazel.de>
 <30649.1535813665@sss.pgh.pa.us>
Comments: In-reply-to Tom Lane <tgl@sss.pgh.pa.us>
	message dated "Sat, 01 Sep 2018 10:54:25 -0400"
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Date: Wed, 05 Sep 2018 15:46:45 -0400
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I wrote:
> Andres Freund <andres@anarazel.de> writes:
>> One concern I have with your approach is that it isn't particularly
>> bullet-proof for cases where the rebuild is triggered by something that
>> doesn't hold a conflicting lock.

> Wouldn't that be a bug in the something-else?

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?

I think it's important to have some fix in place in time for the next
11beta release, so time grows short ...

			regards, tom lane