Forked VMs are being killed in the 0.98 builds. That suggests infrastructure issues.
Having only one test execute in a forked runner does mean the finding of a zombie and thread dumps or other state from the runner will identify and characterize a sick test with no unrelated state mixed in. > On Jan 17, 2015, at 7:43 PM, Stack <[email protected]> wrote: > > Agree, try anything to get our blues back. We add back the //ism after all > settles. > > Do you think something has changed in INFRA Andy? Is it more contended? Or, > more likely, is it that we've been committing stuff that has destabilized > builds? We had a good streak of blue there for a while. It just took some > work fixing breakage and watching jenkins to make sure breakage didn't > sneak in, but we've lapsed for sure. > > St.Ack > >> On Sat, Jan 17, 2015 at 9:19 AM, Dima Spivak <[email protected]> wrote: >> >> Not running tests in parallel will definitely cut down on Surefire >> flakiness (and in contention that sometimes leads to false failures in >> resource-hungry tests), but it will probably also balloon test run times to >> about two hours. Probably worth it in the short term, but we >> eventually need to do something about some of these heavy tests. >> >> -Dima >> >> On Friday, January 16, 2015, Andrew Purtell <[email protected]> >> wrote: >> >>> You might have missed the larger issue Ted. >>> >>> >>>> On Jan 16, 2015, at 4:48 PM, Ted Yu <[email protected] >> <javascript:;>> >>> wrote: >>>> >>>> With HBASE-12874, we should get a green build for branch-1.0 >>>> >>>> FYI >>>> >>>> On Fri, Jan 16, 2015 at 12:20 PM, Andrew Purtell <[email protected] >>> <javascript:;>> >>>> wrote: >>>> >>>>> See BUILDS-49 tracking issues specifically with 0.98 jobs, but I just >>>>> noticed trunk, branch-1, and branch-1.0 all failed after I checked in >> a >>>>> shell doc fix due to a timeout or fork failure. >>>>> >>>>> I propose we update all Jenkins jobs to not run tests in parallel, >> i.e. >>> add >>>>> "-Dsurefire.firstPartForkCount=1 -Dsurefire.secondPartForkCount=1" >>>>> >>>>> -- >>>>> Best regards, >>>>> >>>>> - Andy >>>>> >>>>> Problems worthy of attack prove their worth by hitting back. - Piet >> Hein >>>>> (via Tom White) >>
