Re: Optimize Arm64 crc32c implementation in Postgresql

From: Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com>
To: Heikki Linnakangas <hlinnaka(at)iki(dot)fi>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Andres Freund <andres(at)anarazel(dot)de>, Yuqi Gu <Yuqi(dot)Gu(at)arm(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Optimize Arm64 crc32c implementation in Postgresql
Date: 2018-04-04 11:13:42
Message-ID: CAEepm=00WqA0mcmH-=Em8A2GTMJ+qfv5NnK7tLf3fM5Pa3Qoxg@mail.gmail.com
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On Wed, Apr 4, 2018 at 9:23 PM, Heikki Linnakangas <hlinnaka(at)iki(dot)fi> wrote:
> Pushed, thanks everyone!

On eelpout two test_decoding tests failed:

test ddl ... FAILED
test rewrite ... FAILED

The output has several cases where pg_logical_slot_get_changes() is
invoked and then fails like this:

SELECT data FROM pg_logical_slot_get_changes('regression_slot',
NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
! ERROR: incorrect resource manager data checksum in record at 0/1BD6600

Not sure why it would break when called by pg_logical_slot_get_changes()...

https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=eelpout&dt=2018-04-04%2009%3A58%3A56

--
Thomas Munro
http://www.enterprisedb.com

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