Re: Improving tracking/processing of buildfarm test failures

From: Alexander Lakhin <exclusion(at)gmail(dot)com>
To: Noah Misch <noah(at)leadboat(dot)com>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Andres Freund <andres(at)anarazel(dot)de>, Andrew Dunstan <andrew(at)dunslane(dot)net>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Improving tracking/processing of buildfarm test failures
Date: 2025-06-01 19:00:01
Message-ID: 4653028e-cc2e-4e10-8ca9-5c64365a9ffb@gmail.com
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Hello hackers,

Please take a look at the May report on buildfarm failures:
# SELECT br, count(*) FROM failures WHERE dt >= '2025-05-01' AND
 dt < '2025-06-01' GROUP BY br;
REL_13_STABLE: 9
REL_14_STABLE: 11
REL_15_STABLE: 8
REL_16_STABLE: 13
REL_17_STABLE: 17
master: 25
-- Total: 83
(Counting test failures only, excluding indent-check, Configure, Build
errors.)

# SELECT COUNT(*) FROM (SELECT DISTINCT issue_link FROM failures WHERE
 dt >= '2025-05-01' AND dt < '2025-06-01');
14

# SELECT issue_link, count(*) FROM failures WHERE dt >= '2025-05-01' AND
 dt < '2025-06-01' GROUP BY issue_link ORDER BY 2 DESC LIMIT 3;
https://www.postgresql.org/message-id/614740.1747715486%40sss.pgh.pa.us : 16
-- Fixed

https://www.postgresql.org/message-id/sooxi5a47fr6kg7nk2we3t6jtnoyimmjlad6mu6fy4egnayyhm%40luirh3vxbehp : 9

https://www.postgresql.org/message-id/CA+hUKGL0bikWSC2XW-zUgFWNVEpD_gEWXndi2PE5tWqmApkpZQ@mail.gmail.com : 3

# SELECT count(*) FROM failures WHERE dt >= '2025-05-01' AND
 dt < '2025-06-01' AND issue_link IS NULL; -- Unsorted/unhelpful failures
42

Short-lived failures: 17

Best regards,
Alexander Lakhin
Neon (https://neon.tech)

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