Control: reassign -1 debci Control: retitle -1 trunkate huge logs at the start instead of the end
Hi, On Fri, 12 Feb 2021 20:35:11 +0100 Paul Gevers <elb...@debian.org> wrote: > reassign -1 debci Oops. > Hi Matthias, > > On 12-02-2021 10:54, Matthias Klose wrote: > > Package: release.debian.org > > It's not the release team that runs ci.debian.net. Reassigning > appropriately. > > > As seen with glibc autopkg tests [1], the Debian CI infrastructure doesn't > > store > > complete build logs, cutting these to 20MB (uncompressed), resulting in > > ~450k > > compressed logs. This might not be important for successful tests, but it > > doesn't provide any information for failed tests, as the summary at the end > > is > > always cut. Looking at the Ubuntu CI testers, you see that the glibc log > > for a > > successful test can reach 150MB, compressed 3.5GB [2]. With a glibc patch > > to > > not stop on test failures with the first pass [3], logs for failed tests can > > also reach that size. > > > > The outcome of tests is used by the release team to make decisions about the > > upcoming release [4]. Pointing out to a failed log which doesn't provide > > useful > > information is not helpful, and does cost volunteer time to analyze. In > > this > > case it turned out to be the flaky test infrastructure, and retries > > resulted in > > a successful test. Good luck with that for a real regression ... > > > > As pointed out in another context, "machine time is cheap, volunteer time is > > not" [5], as well as machine storage is cheap compared to volunteer time, so > > please stop cutting the autopkg test logs. > > Unfortunately, we're hitting infrastructure issues if we don't cap the > logs [1]. However, I think we should save the last part (and not the > first part) if we have to cap, because normally the failure happens in > the end. > > Paul > > [1] > https://salsa.debian.org/ci-team/debci/-/commit/9240d93a3e8a017c3037777d4d1604808fbc1d0f >
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