Hi Steven, I think you may not read what I wrote. The discussion is about "unstable build **capacity**", in another word "unstable / lack of build resources", not "unstable build".
On Mon, Jun 24, 2019 at 4:40 PM Steven Wu <stevenz...@gmail.com> wrote: > long and sometimes unstable build is definitely a pain point. > > I suspect the build failure here in flink-connector-kafka is not related to > my change. but there is no easy re-run the build on travis UI. Google > search showed a trick of close-and-open the PR will trigger rebuild. but > that could add noises to the PR activities. > https://travis-ci.org/apache/flink/jobs/545555519 > > travis-ci for my personal repo often failed with exceeding time limit after > 4+ hours. > The job exceeded the maximum time limit for jobs, and has been terminated. > > On Mon, Jun 24, 2019 at 4:15 PM Bowen Li <bowenl...@gmail.com> wrote: > > > https://travis-ci.org/apache/flink/builds/549681530 This build request > > has > > been sitting at **HEAD of the queue** since I first saw it at PST 10:30am > > (not sure how long it's been there before 10:30am). It's PST 4:12pm now > and > > it hasn't started yet. > > > > On Mon, Jun 24, 2019 at 2:48 PM Bowen Li <bowenl...@gmail.com> wrote: > > > > > Hi devs, > > > > > > I've been experiencing the pain resulting from lack of stable build > > > capacity on Travis for Flink PRs [1]. Specifically, I noticed often > that > > no > > > build in the queue is making any progress for hours, and suddenly 5 or > 6 > > > builds kick off all together after the long pause. I'm at PST (UTC-08) > > time > > > zone, and I've seen pause can be as long as 6 hours from PST 9am to 3pm > > > (let alone the time needed to drain the queue afterwards). > > > > > > I think this has greatly impacted our productivity. I've experienced > that > > > PRs submitted in the early morning of PST time zone won't finish their > > > build until late night of the same day. > > > > > > So my questions are: > > > > > > - Has anyone else experienced the same problem or have similar > > observation > > > on TravisCI? (I suspect it has things to do with time zone) > > > > > > - What pricing plan of TravisCI is Flink currently using? Is it the > free > > > plan for open source projects? What are the guaranteed build capacity > of > > > the current plan? > > > > > > - If the current pricing plan (either free or paid) can't provide > stable > > > build capacity, can we upgrade to a higher priced plan with larger and > > more > > > stable build capacity? > > > > > > BTW, another factor that contribute to the productivity problem is that > > > our build is slow - we run full build for every PR and a successful > full > > > build takes ~5h. We definitely have more options to solve it, for > > instance, > > > modularize the build graphs and reuse artifacts from the previous > build. > > > But I think that can be a big effort which is much harder to accomplish > > in > > > a short period of time and may deserve its own separate discussion. > > > > > > [1] https://travis-ci.org/apache/flink/pull_requests > > > > > > > > >