Re: Recovering from detoast-related catcache invalidations - Mailing list pgsql-hackers

From Andres Freund
Subject Re: Recovering from detoast-related catcache invalidations
Date
Msg-id br2ccmsode2srgug5kimptpizsj5yoa62imr7qwtkpmrossef3@u3ovikyj6ros
Whole thread Raw
In response to Re: Recovering from detoast-related catcache invalidations  (Andres Freund <andres@anarazel.de>)
List pgsql-hackers
On 2025-03-26 07:21:43 -0400, Andres Freund wrote:
> On 2025-01-14 15:13:21 +0200, Heikki Linnakangas wrote:
> > Committed with those fixes. Thanks for the review!
> 
> The test doesn't seem entirely stable. E.g.
> https://cirrus-ci.com/task/6166374147424256
> failed spuriously:
> 
> [08:52:06.822](0.002s) # issuing query 1 via background psql: 
> #     SELECT injection_points_set_local();
> #     SELECT injection_points_attach('catcache-list-miss-systable-scan-started', 'wait');
> [08:52:06.851](0.029s) # results query 1:
> # {
> #   'stderr' => 'background_psql: QUERY_SEPARATOR 1:
> # ',
> #   'stdout' => '
> # 
> # background_psql: QUERY_SEPARATOR 1:
> # '
> # }
> [08:52:06.893](0.042s) # issuing query 1 via background psql: 
> #     SELECT injection_points_wakeup('catcache-list-miss-systable-scan-started');
> #     SELECT injection_points_detach('catcache-list-miss-systable-scan-started');
> [08:52:06.897](0.004s) # pump_until: process terminated unexpectedly when searching for "(?^:(^|\n)background_psql:
QUERY_SEPARATOR1:\r?\n)" with stream: ""
 
> process ended prematurely at /tmp/cirrus-ci-build/src/test/perl/PostgreSQL/Test/Utils.pm line 440.
> 
> 
> 2025-03-25 08:52:06.896 UTC [34240][client backend] [007_catcache_inval.pl][4/2:0] ERROR:  could not find injection
pointcatcache-list-miss-systable-scan-started to wake up
 
> 2025-03-25 08:52:06.896 UTC [34240][client backend] [007_catcache_inval.pl][4/2:0] STATEMENT:  SELECT
injection_points_wakeup('catcache-list-miss-systable-scan-started');

And again: https://cirrus-ci.com/task/6082321633247232

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