fwiw, i'm experimenting atm with a small test runner change/diff to disable zk fsync http://paste.ubuntu.com/1057627/ -k
On Sun, Jun 24, 2012 at 10:58 AM, Clint Byrum <cl...@fewbar.com> wrote: > Hi Martin. These are basically timeouts because each test needs to > finish in less than 5 seconds. Some of them take 1 - 2 seconds normally, > so if your system gets busy for a second, that can be enough to push a > few of them over 5 seconds. > > A few tips: > > 1) I use sbuild, not pbuilder. If you use the 'mk-sbuild' script to > build your chroot, you can pass it --eatmydata, which will help a lot. > The tests run zookeeper, which fsyncs every write to disk. --eatmydata > sets up your schroot to run everything inside 'eatmydata' which > disables fsync and so de-couples your build from having to flush to > disk. > > 2) If you have access to a machine with an SSD, that also helps a lot. > On a non-SSD box, the tests take 7 minutes. With eatmydata, that drops > to 5. With an SSD machine those numbers are cut in half. Thus, each > tests is faster and so has less chance to cross over 5 seconds. > > Anyway, I think this is worth re-titling to "test suite fails > sporadically" and mark as an upstream bug. > > ** Summary changed: > > - FTBFS: Sveral tests fails > + Juju test suite fails sporadically due to low timeouts > > ** Changed in: juju (Ubuntu) > Status: Confirmed => Triaged > > ** Also affects: juju > Importance: Undecided > Status: New > > ** Changed in: juju > Status: New => Confirmed > > ** Changed in: juju (Ubuntu) > Importance: Undecided => Medium > > ** Changed in: juju > Importance: Undecided => Medium > > -- > You received this bug notification because you are subscribed to juju. > https://bugs.launchpad.net/bugs/1017113 > > Title: > Juju test suite fails sporadically due to low timeouts > > To manage notifications about this bug go to: > https://bugs.launchpad.net/juju/+bug/1017113/+subscriptions > -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1017113 Title: Juju test suite fails sporadically due to low timeouts To manage notifications about this bug go to: https://bugs.launchpad.net/juju/+bug/1017113/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
