hi Neha and Josh, thank you for your valuable inputs and help to drop bionic distro facets from master. just created https://github.com/ceph/ceph-build/pull/1830 to stop the builds on bionic. On Sat, May 22, 2021 at 5:02 AM Josh Durgin <jdurgin@xxxxxxxxxx> wrote: > > On 5/21/21 1:35 PM, Neha Ojha wrote: > > On Thu, May 20, 2021 at 8:49 PM Kefu Chai <kchai@xxxxxxxxxx> wrote: > >> > >> hi folks, > >> > >> tl;dr: can we stop building/testing master on bionic for a better GCC? > >> > >> long story: two months ago, we migrated[0] our CI jobs running "make > >> check" from ubuntu/bionic to ubuntu/focal so we have access to more > >> packages offered by focal for testing. > >> > >> but we are still suffering[1] from the ancient packages offered by bionic: > >> > >> - buggy tcmalloc. see https://github.com/ceph/ceph/pull/41340 > >> - GCC 7.5.0 shipped along with ubuntu/bionic. i think the support of > >> std::filesystem is just the tip of the iceberg, as we've migrated to > >> C++17, there will be more and more demand for a compiler and a > >> standard library with better C++17 (and C++20 in future) support. > >> GCC-7 has good support[2] of C++17, but that does not imply that > >> libstdc++ shipped along with GCC-7 has. > >> > >> but we have to build and test on bionic[3], for couple reasons: > >> > >> - some upgrade tests from octopus are performed on bionic. for > >> instance, see https://github.com/ceph/ceph/tree/master/qa/suites/upgrade/pacific-x/parallel > >> - cosbench used by perf tests needs bionic: see > >> https://tracker.ceph.com/issues/49139 > >> - // please note rados/thrash-old-clients/distro$/ubuntu_18.04.yaml is > >> safe even after we stop building master on bionic, as we've > >> switched[4] to cephadm for thrash-old-clients > >> > >> and because of https://tracker.ceph.com/issues/50218, we cannot use > >> ubuntu-toolchain-r PPA repo for newer GCC. > >> > >> so, i propose we > >> > >> - drop building/testing master on bionic. > >> - drop the upgrade test from pacific on bionic > > > > I think we need to tread carefully here. Losing upgrade test coverage > > is not ideal. > > We've still got focal for ubuntu coverage. If we're dropping it for > quincy, a user would need to upgrade past bionic to run the next version > anyway. > > >> - drop the cosbench workload from rados/perf test suites > > > > I have confirmed again that https://tracker.ceph.com/issues/49139 > > continues to be a problem with focal so I've proposed > > https://github.com/ceph/ceph/pull/41486. > > > > I'd be curious to know what's the most commonly used rgw workload > > people use for benchmarking purposes. Perhaps, we should think about > > integrating it with the perf suite. > > Agreed, maybe it's time to focus on other tools. > > Josh > _______________________________________________ Dev mailing list -- dev@xxxxxxx To unsubscribe send an email to dev-leave@xxxxxxx
