| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Andres Freund <andres(at)anarazel(dot)de> |
| Cc: | Alexander Lakhin <exclusion(at)gmail(dot)com>, Jelte Fennema-Nio <postgres(at)jeltef(dot)nl>, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, Noah Misch <noah(at)leadboat(dot)com>, Jacob Champion <jacob(dot)champion(at)enterprisedb(dot)com>, Denis Laxalde <denis(dot)laxalde(at)dalibo(dot)com>, vignesh C <vignesh21(at)gmail(dot)com>, Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, Greg Stark <stark(at)mit(dot)edu>, "Gregory Stark (as CFM)" <stark(dot)cfm(at)gmail(dot)com>, Daniel Gustafsson <daniel(at)yesql(dot)se>, Peter Eisentraut <peter(at)eisentraut(dot)org>, Justin Pryzby <pryzby(at)telsasoft(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Etsuro Fujita <etsuro(dot)fujita(at)gmail(dot)com> |
| Subject: | Re: [EXTERNAL] Re: Add non-blocking version of PQcancel |
| Date: | 2024-11-17 02:33:11 |
| Message-ID: | 2947163.1731810791@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Andres Freund <andres(at)anarazel(dot)de> writes:
> On 2024-10-01 15:00:00 +0300, Alexander Lakhin wrote:
>> One month later, treehopper has found a way to break that test: [1].
>> The failure log contains:
>> 2024-09-30 19:35:01.485 UTC [3201033:12] pg_regress/query_cancel WARNING:
>> could not get result of cancel request due to timeout
> Another failure in CI, that cleared up after a retry:
> +WARNING: could not get result of cancel request due to timeout
Yeah. This has been happening off-and-on in the buildfarm ever
since we added that test. I'm not sure if it's just "the test
is unstable" or if it's telling us there's a problem with the
cancel logic. Scraping the last 3 months worth of buildfarm
logs finds these instances:
sysname | branch | snapshot | stage | l
------------+---------------+---------------------+----------------------------+------------------------------------------------------------------
adder | HEAD | 2024-08-29 10:42:09 | postgres_fdwInstallCheck-C | +WARNING: could not get result of cancel request due to timeout
adder | REL_17_STABLE | 2024-08-29 12:52:00 | postgres_fdwCheck | +WARNING: could not get result of cancel request due to timeout
froghopper | HEAD | 2024-10-25 08:31:55 | ContribCheck-C | +WARNING: could not get result of cancel request due to timeout
grassquit | HEAD | 2024-08-20 19:29:20 | postgres_fdwCheck | +WARNING: could not get result of cancel request due to timeout
mylodon | HEAD | 2024-08-30 06:25:46 | postgres_fdwCheck | +WARNING: could not get result of cancel request due to timeout
pipit | HEAD | 2024-11-13 01:12:28 | ContribCheck-C | +WARNING: could not get result of cancel request due to timeout
snakefly | REL_17_STABLE | 2024-08-19 11:30:04 | ContribCheck-C | +WARNING: could not get result of cancel request due to timeout
treehopper | REL_17_STABLE | 2024-09-30 19:21:14 | ContribCheck-C | +WARNING: could not get result of cancel request due to timeout
(8 rows)
regards, tom lane
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