I also support Herman's `SPARK-42884 Add Ammonite REPL integration` PR. Thanks, Dongjoon.
On Thu, Mar 23, 2023 at 7:51 AM Mridul Muralidharan <mri...@gmail.com> wrote: > > Sounds good, thanks for clarifying ! > > Regards, > Mridul > > On Thu, Mar 23, 2023 at 9:09 AM Herman van Hovell <her...@databricks.com> > wrote: > >> The goal of adding this, is to make it easy for a user to connect a scala >> REPL to a Spark Connect server. Just like Spark shell makes it easy to work >> with a regular Spark environment. >> >> It is not meant as a Spark shell replacement. They represent two >> different modes of working with Spark, and they have very different API >> surfaces (Connect being a subset of what regular Spark has to offer). I do >> think we should consider using ammonite for Spark shell at some point, >> since this has better UX and does not require us to fork a REPL. That >> discussion is for another day though. >> >> I guess you can use it as an example of building an integration. In >> itself I wouldn't call it that because I think this a key part of getting >> started with connect, and/or doing debugging. >> >> On Thu, Mar 23, 2023 at 4:00 AM Mridul Muralidharan <mri...@gmail.com> >> wrote: >> >>> >>> What is unclear to me is why we are introducing this integration, how >>> users will leverage it. >>> >>> * Are we replacing spark-shell with it ? >>> Given the existing gaps, this is not the case. >>> >>> * Is it an example to showcase how to build an integration ? >>> That could be interesting, and we can add it to external/ >>> >>> Anything else I am missing ? >>> >>> Regards, >>> Mridul >>> >>> >>> >>> On Wed, Mar 22, 2023 at 6:58 PM Herman van Hovell <her...@databricks.com> >>> wrote: >>> >>>> Ammonite is maintained externally by Li Haoyi et al. We are including >>>> it as a 'provided' dependency. The integration bits and pieces (1 file) are >>>> included in Apache Spark. >>>> >>>> On Wed, Mar 22, 2023 at 7:53 PM Mridul Muralidharan <mri...@gmail.com> >>>> wrote: >>>> >>>>> >>>>> Will this be maintained externally or included into Apache Spark ? >>>>> >>>>> Regards , >>>>> Mridul >>>>> >>>>> >>>>> >>>>> On Wed, Mar 22, 2023 at 6:50 PM Herman van Hovell >>>>> <her...@databricks.com.invalid> wrote: >>>>> >>>>>> Hi All, >>>>>> >>>>>> For Spark Connect Scala Client we are working on making the REPL >>>>>> experience a bit nicer <https://github.com/apache/spark/pull/40515>. >>>>>> In a nutshell we want to give users a turn key scala REPL, that works >>>>>> even >>>>>> if you don't have a Spark distribution on your machine (through >>>>>> coursier <https://get-coursier.io/>). We are using Ammonite >>>>>> <https://ammonite.io/> instead of the standard scala REPL for this, >>>>>> the main reason for going with Ammonite is that it is easier to >>>>>> customize, >>>>>> and IMO has a superior user experience. >>>>>> >>>>>> Does anyone object to doing this? >>>>>> >>>>>> Kind regards, >>>>>> Herman >>>>>> >>>>>>