Thanks for digging into this Igor! I'm fine with whatever approach others
want to take. In general, I agree there are problems with the current
integration test setup and whatever approach allows us to run these tests
more frequently sounds good to me!

--
Michael Mior
mm...@apache.org



Le lun. 13 août 2018 à 06:46, Igor Kryvenko <kryvenko7i...@gmail.com> a
écrit :

> Hi all, last few months I worked on moving current test environment to
> docker environment.
> Thanks, Volodymyr Vysotskiy for the initial patch.
>
> *Motivation*
>
> I noticed that the current test environment has problems with updating
> versions of databases and often OOM.
>  I investigated previous tickets about moving to Docker environment, and
> there was only one problem that there was no stable docker for Mac OS and
> Windows.
> Now, As far as I know, it works stable for them, and we can use it.
>
> Also, I observed moving calcite integration tests to an in-memory
> database(MongoDB, ElasticSearch, Cassandra). Why don't I like it?
> In case of MongoDB, we use Fongo library, which has no full support of all
> features of MongoDB, so it creates one more dependency for calcite.
> Before, we need just implement some feature in calcite and use latest
> MongoDB with this feature. Now we use Fongo, and if we want to support the
> latest features of MongoDB, Fongo has to implement them also.
> In the case of ElasticSearch, I think it is the comfortable tradeoff
> because we use official ElasticSearch API to construct an in-memory
> database.
>
> Also, there is one more advantage of using Docker, that if we just make
> changes in some module(e.g. Cassandra) we can just start docker only with
> Cassandra image, we don't need to setup whole virtual machine with all
> databases.
> Also setting up all docker images is faster that Vagrant, even if we launch
> it the first time.
> Next launching will be very fast, thanks to  Docker's cache until we change
> the context of the Docker container.
>
>
> I've already created the branch in calcite-test-dataset --
> https://github.com/igorKryvenko/calcite-test-dataset/tree/docker-new
> <https://github.com/igorKryvenko/calcite-test-dataset/tree/docker-new>
> and branch in calcite-project with corresponding changes(a few changes, but
> I need someone's look at it) ---
> https://github.com/igorKryvenko/calcite/tree/docker
>
>
> I will be appreciated if someone will test my changes on Windows and Mac
> OS.
>
> *Please, do not hesitate and post your questions and remarks.*
>
> Kind regards
> Igor Kryvenko
>

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