Just to be sure, if this PR is merged, how many GHA tasks will be run
on each commit to master?

On Fri, Nov 8, 2019 at 12:07 PM Krisztián Szűcs
<szucs.kriszt...@gmail.com> wrote:
>
> I've trimmed down the number of triggered builds on pull requests by
> converting them to run on master only or cron builds. Alsoe added
> the action filters including the changed path patterns. I've also
> collected ~30 follow up JIRAs aggregating the problems I came across
> during the refactor and possible further improvements and optimizations
> like caching.
>
> The PR is ready to be merged [1]. I expect multiple issues after merging
> the PR, despite that I was trying to port everything thoroughly.
> The changeset is simply too big, but we need to start somewhere, and
> sooner is better.
>
> [1]: https://github.com/apache/arrow/pull/5589
>
> On Thu, Oct 31, 2019 at 10:21 PM Wes McKinney <wesmck...@gmail.com> wrote:
> >
> > hi Krisz -- I just left comments on the PR. This definitely looks like
> > a good step forward. My main comment is that I think there are too
> > many C++/Python tasks to run on an each-commit basis. Ideally many of
> > these would be run nightly. There is also a certain amount of
> > redundancy in rebuilding the C++ library multiple times before running
> > each dependent set of tests, whereas in Travis we build the C++
> > library once then test both C++ and Python. If there is sufficient
> > number of builders then perhaps it doesn't matter so much
> >
> > It seems there are a few things, like action filtering (similar to
> > "detect-changes.py") based on what was changed that would need to get
> > done before this can be merged.
> >
> > - Wes
> >
> > On Fri, Oct 25, 2019 at 7:25 PM Krisztián Szűcs
> > <szucs.kriszt...@gmail.com> wrote:
> > >
> > > Hi,
> > >
> > > During the release of 0.15.1-RC0 I literally had to wait days
> > > to ensure that the Travis, Appveyor and Crossbow builds
> > > were all passing for the release branch. Additionally each
> > > newly added patch was delaying the process by 8 hrs or so
> > > (actually felt like 16).
> > >
> > > Recently I've been working on to incorporate the advantages
> > > of the Buildbot setup into our current docker-compose
> > > configuration, including support for multiple architectures
> > > and platforms, reusing docker images and caching dependency
> > > installation steps. It tries to follow the semantics of ursabot,
> > > but using only docker-compose and tiny shell scripts.
> > >
> > > This refactoring also includes GitHub Actions workflows for
> > > Windows and macOS as well, reusing the same (bash) builds
> > > scripts. The docker configuration and the scripts are CI agnostic.
> > > Last but not least, I've managed to clean up a lot of things
> > > including every travis builds, and three Appveyor builds.
> > > As an example the ci [3] and dev [4] folders got much cleaner.
> > >
> > > The majority of the builds are passing [2], but due to the size
> > > of the pull request [1] reviews for relevant workflows like the
> > > JavaScript, C#, Rust, JNI, etc. would be much appreciated.
> > > I'll be on vacation until Wednesday, but will try to respond on
> > > both GH and the ML.
> > >
> > > Thanks, Krisztian
> > >
> > > [1]: https://github.com/apache/arrow/pull/5589
> > > [2]: https://github.com/apache/arrow/runs/275685241
> > > [3]: 
> > > https://github.com/apache/arrow/tree/9c7e7289b9c9486c13a02e7cb5682a0f9f274ec6/ci
> > > [4]: 
> > > https://github.com/apache/arrow/tree/9c7e7289b9c9486c13a02e7cb5682a0f9f274ec6/dev

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