Bug#1006981: rails: flaky autopkgtest on some ci.d.n architectures

From	Paul Gevers <elbrus@debian.org>
Newsgroups	linux.debian.bugs.rc
Subject	Bug#1006981: rails: flaky autopkgtest on some ci.d.n architectures
Date	2022-03-09 22:00 +0100
Message-ID	<DZbzA-F0A-7@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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Source: rails
Version: 2:6.0.3.5+dfsg-1
Severity: serious
User: debian-ci@lists.debian.org
Usertags: flaky

Dear maintainer(s),

I looked at the results of the autopkgtest of you package on amd64 and 
armhf because it was showing up as a regression for the upload of 
ruby-defaults. I noticed that the test regularly fails on some 
architectures, notably armhf (which always runs on a host with lost of 
cores and RAM) and amd64 (where we have one host with lots of cores and 
RAM).

Because the unstable-to-testing migration software now blocks on
regressions in testing, flaky tests, i.e. tests that flip between
passing and failing without changes to the list of installed packages,
are causing people unrelated to your package to spend time on these
tests.

Don't hesitate to reach out if you need help and some more information
from our infrastructure.

Paul

https://ci.debian.net/data/autopkgtest/testing/armhf/r/rails/19826102/log.gz

Failure:
ActiveSupport::Cache::RedisCacheStoreTests::RedisCacheStoreCommonBehaviorTest#test_fetch_multi_without_expires_in 
[/tmp/autopkgtest-lxc.0k72y7c9/downtmp/build.89X/src/activesupport/test/cache/behaviors/cache_store_behavior.rb:135]:
--- expected
+++ actual
@@ -1 +1 @@
-{"foo"=>"bar", "fu"=>"fufu", "fud"=>"biz"}
+{"foo"=>"foofoo", "fu"=>"fufu", "fud"=>"biz"}



https://ci.debian.net/data/autopkgtest/testing/amd64/r/rails/19565734/log.gz

Failure:
ActiveSupport::Cache::RedisCacheStoreTests::RedisCacheStoreCommonBehaviorTest#test_large_string_with_compress_false 
[/tmp/autopkgtest-lxc.1wz7jlg5/downtmp/build.gWN/src/activesupport/test/cache/behaviors/cache_store_behavior.rb:226]:
--- expected
+++ actual
@@ -1 +1 @@
-"00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"
+nil

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Bug#1006981: rails: flaky autopkgtest on some ci.d.n architectures Paul Gevers <elbrus@debian.org> - 2022-03-09 22:00 +0100
  Bug#1006981: marked as done (rails: flaky autopkgtest on some  ci.d.n architectures) "Debian Bug Tracking System" <owner@bugs.debian.org> - 2022-04-30 15:30 +0200
  Processed: Re: Bug#1006981: fixed in rails 2:6.1.4.6+dfsg-2 "Debian Bug Tracking System" <owner@bugs.debian.org> - 2022-05-12 10:30 +0200
  Bug#1006981: fixed in rails 2:6.1.4.6+dfsg-2 Paul Gevers <elbrus@debian.org> - 2022-05-12 10:30 +0200

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