Hi! To keep things ordered, I just sent an update on an older email requesting an update for this, named: Spark model serving.
I propose to follow the discussion there. Or here, but not to branch. Bye! El mar., 3 jul. 2018 a las 22:15, Matei Zaharia (<matei.zaha...@gmail.com>) escribió: > Just wondering, is there an update on this? I haven’t seen a summary of > the offline discussion but maybe I’ve missed it. > > Matei > > > On Jun 11, 2018, at 8:51 PM, Holden Karau <holden.ka...@gmail.com> > wrote: > > > > So I kicked of a thread on user@ to collect people's feedback there but > I'll summarize the offline results later this week too. > > > > On Tue, Jun 12, 2018, 5:03 AM Liang-Chi Hsieh <vii...@gmail.com> wrote: > > > > Hi, > > > > It'd be great if there can be any sharing of the offline discussion. > Thanks! > > > > > > > > Holden Karau wrote > > > We’re by the registration sign going to start walking over at 4:05 > > > > > > On Wed, Jun 6, 2018 at 2:43 PM Maximiliano Felice < > > > > > maximilianofelice@ > > > > >> wrote: > > > > > >> Hi! > > >> > > >> Do we meet at the entrance? > > >> > > >> See you > > >> > > >> > > >> El mar., 5 de jun. de 2018 3:07 PM, Nick Pentreath < > > >> > > > > > nick.pentreath@ > > > > >> escribió: > > >> > > >>> I will aim to join up at 4pm tomorrow (Wed) too. Look forward to it. > > >>> > > >>> On Sun, 3 Jun 2018 at 00:24 Holden Karau < > > > > > holden@ > > > > > > wrote: > > >>> > > >>>> On Sat, Jun 2, 2018 at 8:39 PM, Maximiliano Felice < > > >>>> > > > > > maximilianofelice@ > > > > >> wrote: > > >>>> > > >>>>> Hi! > > >>>>> > > >>>>> We're already in San Francisco waiting for the summit. We even > think > > >>>>> that we spotted @holdenk this afternoon. > > >>>>> > > >>>> Unless you happened to be walking by my garage probably not super > > >>>> likely, spent the day working on scooters/motorcycles (my style is a > > >>>> little > > >>>> less unique in SF :)). Also if you see me feel free to say hi > unless I > > >>>> look > > >>>> like I haven't had my first coffee of the day, love chatting with > folks > > >>>> IRL > > >>>> :) > > >>>> > > >>>>> > > >>>>> @chris, we're really interested in the Meetup you're hosting. My > team > > >>>>> will probably join it since the beginning of you have room for us, > and > > >>>>> I'll > > >>>>> join it later after discussing the topics on this thread. I'll send > > >>>>> you an > > >>>>> email regarding this request. > > >>>>> > > >>>>> Thanks > > >>>>> > > >>>>> El vie., 1 de jun. de 2018 7:26 AM, Saikat Kanjilal < > > >>>>> > > > > > sxk1969@ > > > > >> escribió: > > >>>>> > > >>>>>> @Chris This sounds fantastic, please send summary notes for > Seattle > > >>>>>> folks > > >>>>>> > > >>>>>> @Felix I work in downtown Seattle, am wondering if we should a > tech > > >>>>>> meetup around model serving in spark at my work or elsewhere > close, > > >>>>>> thoughts? I’m actually in the midst of building microservices to > > >>>>>> manage > > >>>>>> models and when I say models I mean much more than machine > learning > > >>>>>> models > > >>>>>> (think OR, process models as well) > > >>>>>> > > >>>>>> Regards > > >>>>>> > > >>>>>> Sent from my iPhone > > >>>>>> > > >>>>>> On May 31, 2018, at 10:32 PM, Chris Fregly < > > > > > chris@ > > > > > > wrote: > > >>>>>> > > >>>>>> Hey everyone! > > >>>>>> > > >>>>>> @Felix: thanks for putting this together. i sent some of you a > > >>>>>> quick > > >>>>>> calendar event - mostly for me, so i don’t forget! :) > > >>>>>> > > >>>>>> Coincidentally, this is the focus of June 6th's *Advanced Spark > and > > >>>>>> TensorFlow Meetup* > > >>>>>> < > https://www.meetup.com/Advanced-Spark-and-TensorFlow-Meetup/events/250924195/> > ; > > >>>>>> @5:30pm > > >>>>>> on June 6th (same night) here in SF! > > >>>>>> > > >>>>>> Everybody is welcome to come. Here’s the link to the meetup that > > >>>>>> includes the signup link: > > >>>>>> * > https://www.meetup.com/Advanced-Spark-and-TensorFlow-Meetup/events/250924195/* > > >>>>>> < > https://www.meetup.com/Advanced-Spark-and-TensorFlow-Meetup/events/250924195/> > ; > > >>>>>> > > >>>>>> We have an awesome lineup of speakers covered a lot of deep, > > >>>>>> technical > > >>>>>> ground. > > >>>>>> > > >>>>>> For those who can’t attend in person, we’ll be broadcasting live - > > >>>>>> and > > >>>>>> posting the recording afterward. > > >>>>>> > > >>>>>> All details are in the meetup link above… > > >>>>>> > > >>>>>> @holden/felix/nick/joseph/maximiliano/saikat/leif: you’re more > than > > >>>>>> welcome to give a talk. I can move things around to make room. > > >>>>>> > > >>>>>> @joseph: I’d personally like an update on the direction of the > > >>>>>> Databricks proprietary ML Serving export format which is similar > to > > >>>>>> PMML > > >>>>>> but not a standard in any way. > > >>>>>> > > >>>>>> Also, the Databricks ML Serving Runtime is only available to > > >>>>>> Databricks customers. This seems in conflict with the community > > >>>>>> efforts > > >>>>>> described here. Can you comment on behalf of Databricks? > > >>>>>> > > >>>>>> Look forward to your response, joseph. > > >>>>>> > > >>>>>> See you all soon! > > >>>>>> > > >>>>>> — > > >>>>>> > > >>>>>> > > >>>>>> *Chris Fregly *Founder @ *PipelineAI* <https://pipeline.ai/> > ; > > >>>>>> (100,000 > > >>>>>> Users) > > >>>>>> Organizer @ *Advanced Spark and TensorFlow Meetup* > > >>>>>> < > https://www.meetup.com/Advanced-Spark-and-TensorFlow-Meetup/> > > >>>>>> (85,000 > > >>>>>> Global Members) > > >>>>>> > > >>>>>> > > >>>>>> > > >>>>>> *San Francisco - Chicago - Austin - > > >>>>>> Washington DC - London - Dusseldorf * > > >>>>>> *Try our PipelineAI Community Edition with GPUs and TPUs!! > > >>>>>> <http://community.pipeline.ai/>* > > >>>>>> > > >>>>>> > > >>>>>> On May 30, 2018, at 9:32 AM, Felix Cheung < > > > > > felixcheung_m@ > > > > > > > > >>>>>> wrote: > > >>>>>> > > >>>>>> Hi! > > >>>>>> > > >>>>>> Thank you! Let’s meet then > > >>>>>> > > >>>>>> June 6 4pm > > >>>>>> > > >>>>>> Moscone West Convention Center > > >>>>>> 800 Howard Street, San Francisco, CA 94103 > > >>>>>> < > https://maps.google.com/?q=800+Howard+Street,+San+Francisco,+CA+94103&entry=gmail&source=g> > ; > > >>>>>> > > >>>>>> Ground floor (outside of conference area - should be available for > > >>>>>> all) - we will meet and decide where to go > > >>>>>> > > >>>>>> (Would not send invite because that would be too much noise for > dev@) > > >>>>>> > > >>>>>> To paraphrase Joseph, we will use this to kick off the discusssion > > >>>>>> and > > >>>>>> post notes after and follow up online. As for Seattle, I would be > > >>>>>> very > > >>>>>> interested to meet in person lateen and discuss ;) > > >>>>>> > > >>>>>> > > >>>>>> _____________________________ > > >>>>>> From: Saikat Kanjilal < > > > > > sxk1969@ > > > > > > > > >>>>>> Sent: Tuesday, May 29, 2018 11:46 AM > > >>>>>> Subject: Re: Revisiting Online serving of Spark models? > > >>>>>> To: Maximiliano Felice < > > > > > maximilianofelice@ > > > > > > > > >>>>>> Cc: Felix Cheung < > > > > > felixcheung_m@ > > > > > >, Holden Karau < > > >>>>>> > > > > > holden@ > > > > >>, Joseph Bradley < > > > > > joseph@ > > > > > >, Leif > > >>>>>> Walsh < > > > > > leif.walsh@ > > > > > >, dev < > > > > > dev@.apache > > > > > > > > >>>>>> > > >>>>>> > > >>>>>> Would love to join but am in Seattle, thoughts on how to make this > > >>>>>> work? > > >>>>>> > > >>>>>> Regards > > >>>>>> > > >>>>>> Sent from my iPhone > > >>>>>> > > >>>>>> On May 29, 2018, at 10:35 AM, Maximiliano Felice < > > >>>>>> > > > > > maximilianofelice@ > > > > >> wrote: > > >>>>>> > > >>>>>> Big +1 to a meeting with fresh air. > > >>>>>> > > >>>>>> Could anyone send the invites? I don't really know which is the > place > > >>>>>> Holden is talking about. > > >>>>>> > > >>>>>> 2018-05-29 14:27 GMT-03:00 Felix Cheung < > > > > > felixcheung_m@ > > > > > >: > > >>>>>> > > >>>>>>> You had me at blue bottle! > > >>>>>>> > > >>>>>>> _____________________________ > > >>>>>>> From: Holden Karau < > > > > > holden@ > > > > > > > > >>>>>>> Sent: Tuesday, May 29, 2018 9:47 AM > > >>>>>>> Subject: Re: Revisiting Online serving of Spark models? > > >>>>>>> To: Felix Cheung < > > > > > felixcheung_m@ > > > > > > > > >>>>>>> Cc: Saikat Kanjilal < > > > > > sxk1969@ > > > > > >, Maximiliano Felice < > > >>>>>>> > > > > > maximilianofelice@ > > > > >>, Joseph Bradley < > > > > > joseph@ > > > > > >, > > >>>>>>> Leif Walsh < > > > > > leif.walsh@ > > > > > >, dev < > > > > > dev@.apache > > > > > > > > >>>>>>> > > >>>>>>> > > >>>>>>> > > >>>>>>> I'm down for that, we could all go for a walk maybe to the mint > > >>>>>>> plazaa blue bottle and grab coffee (if the weather holds have our > > >>>>>>> design > > >>>>>>> meeting outside :p)? > > >>>>>>> > > >>>>>>> On Tue, May 29, 2018 at 9:37 AM, Felix Cheung < > > >>>>>>> > > > > > felixcheung_m@ > > > > >> wrote: > > >>>>>>> > > >>>>>>>> Bump. > > >>>>>>>> > > >>>>>>>> ------------------------------ > > >>>>>>>> *From:* Felix Cheung < > > > > > felixcheung_m@ > > > > > > > > >>>>>>>> *Sent:* Saturday, May 26, 2018 1:05:29 PM > > >>>>>>>> *To:* Saikat Kanjilal; Maximiliano Felice; Joseph Bradley > > >>>>>>>> *Cc:* Leif Walsh; Holden Karau; dev > > >>>>>>>> > > >>>>>>>> *Subject:* Re: Revisiting Online serving of Spark models? > > >>>>>>>> > > >>>>>>>> Hi! How about we meet the community and discuss on June 6 4pm at > > >>>>>>>> (near) the Summit? > > >>>>>>>> > > >>>>>>>> (I propose we meet at the venue entrance so we could accommodate > > >>>>>>>> people might not be in the conference) > > >>>>>>>> > > >>>>>>>> ------------------------------ > > >>>>>>>> *From:* Saikat Kanjilal < > > > > > sxk1969@ > > > > > > > > >>>>>>>> *Sent:* Tuesday, May 22, 2018 7:47:07 AM > > >>>>>>>> *To:* Maximiliano Felice > > >>>>>>>> *Cc:* Leif Walsh; Felix Cheung; Holden Karau; Joseph Bradley; > dev > > >>>>>>>> *Subject:* Re: Revisiting Online serving of Spark models? > > >>>>>>>> > > >>>>>>>> I’m in the same exact boat as Maximiliano and have use cases as > > >>>>>>>> well > > >>>>>>>> for model serving and would love to join this discussion. > > >>>>>>>> > > >>>>>>>> Sent from my iPhone > > >>>>>>>> > > >>>>>>>> On May 22, 2018, at 6:39 AM, Maximiliano Felice < > > >>>>>>>> > > > > > maximilianofelice@ > > > > >> wrote: > > >>>>>>>> > > >>>>>>>> Hi! > > >>>>>>>> > > >>>>>>>> I'm don't usually write a lot on this list but I keep up to date > > >>>>>>>> with the discussions and I'm a heavy user of Spark. This topic > > >>>>>>>> caught my > > >>>>>>>> attention, as we're currently facing this issue at work. I'm > > >>>>>>>> attending to > > >>>>>>>> the summit and was wondering if it would it be possible for me > to > > >>>>>>>> join that > > >>>>>>>> meeting. I might be able to share some helpful usecases and > ideas. > > >>>>>>>> > > >>>>>>>> Thanks, > > >>>>>>>> Maximiliano Felice > > >>>>>>>> > > >>>>>>>> El mar., 22 de may. de 2018 9:14 AM, Leif Walsh < > > >>>>>>>> > > > > > leif.walsh@ > > > > >> escribió: > > >>>>>>>> > > >>>>>>>>> I’m with you on json being more readable than parquet, but > we’ve > > >>>>>>>>> had success using pyarrow’s parquet reader and have been quite > > >>>>>>>>> happy with > > >>>>>>>>> it so far. If your target is python (and probably if not now, > then > > >>>>>>>>> soon, > > >>>>>>>>> R), you should look in to it. > > >>>>>>>>> > > >>>>>>>>> On Mon, May 21, 2018 at 16:52 Joseph Bradley < > > > > > joseph@ > > > > > > > > >>>>>>>>> wrote: > > >>>>>>>>> > > >>>>>>>>>> Regarding model reading and writing, I'll give quick thoughts > > >>>>>>>>>> here: > > >>>>>>>>>> * Our approach was to use the same format but write JSON > instead > > >>>>>>>>>> of Parquet. It's easier to parse JSON without Spark, and > using > > >>>>>>>>>> the same > > >>>>>>>>>> format simplifies architecture. Plus, some people want to > check > > >>>>>>>>>> files into > > >>>>>>>>>> version control, and JSON is nice for that. > > >>>>>>>>>> * The reader/writer APIs could be extended to take format > > >>>>>>>>>> parameters (just like DataFrame reader/writers) to handle JSON > > >>>>>>>>>> (and maybe, > > >>>>>>>>>> eventually, handle Parquet in the online serving setting). > > >>>>>>>>>> > > >>>>>>>>>> This would be a big project, so proposing a SPIP might be > best. > > >>>>>>>>>> If people are around at the Spark Summit, that could be a good > > >>>>>>>>>> time to meet > > >>>>>>>>>> up & then post notes back to the dev list. > > >>>>>>>>>> > > >>>>>>>>>> On Sun, May 20, 2018 at 8:11 PM, Felix Cheung < > > >>>>>>>>>> > > > > > felixcheung_m@ > > > > >> wrote: > > >>>>>>>>>> > > >>>>>>>>>>> Specifically I’d like bring part of the discussion to Model > and > > >>>>>>>>>>> PipelineModel, and various ModelReader and SharedReadWrite > > >>>>>>>>>>> implementations > > >>>>>>>>>>> that rely on SparkContext. This is a big blocker on reusing > > >>>>>>>>>>> trained models > > >>>>>>>>>>> outside of Spark for online serving. > > >>>>>>>>>>> > > >>>>>>>>>>> What’s the next step? Would folks be interested in getting > > >>>>>>>>>>> together to discuss/get some feedback? > > >>>>>>>>>>> > > >>>>>>>>>>> > > >>>>>>>>>>> _____________________________ > > >>>>>>>>>>> From: Felix Cheung < > > > > > felixcheung_m@ > > > > > > > > >>>>>>>>>>> Sent: Thursday, May 10, 2018 10:10 AM > > >>>>>>>>>>> Subject: Re: Revisiting Online serving of Spark models? > > >>>>>>>>>>> To: Holden Karau < > > > > > holden@ > > > > > >, Joseph Bradley < > > >>>>>>>>>>> > > > > > joseph@ > > > > >> > > >>>>>>>>>>> Cc: dev < > > > > > dev@.apache > > > > > > > > >>>>>>>>>>> > > >>>>>>>>>>> > > >>>>>>>>>>> > > >>>>>>>>>>> Huge +1 on this! > > >>>>>>>>>>> > > >>>>>>>>>>> ------------------------------ > > >>>>>>>>>>> *From:* > > > > > holden.karau@ > > > > > < > > > > > holden.karau@ > > > > > > on behalf > > >>>>>>>>>>> of Holden Karau < > > > > > holden@ > > > > > > > > >>>>>>>>>>> *Sent:* Thursday, May 10, 2018 9:39:26 AM > > >>>>>>>>>>> *To:* Joseph Bradley > > >>>>>>>>>>> *Cc:* dev > > >>>>>>>>>>> *Subject:* Re: Revisiting Online serving of Spark models? > > >>>>>>>>>>> > > >>>>>>>>>>> > > >>>>>>>>>>> > > >>>>>>>>>>> On Thu, May 10, 2018 at 9:25 AM, Joseph Bradley < > > >>>>>>>>>>> > > > > > joseph@ > > > > >> wrote: > > >>>>>>>>>>> > > >>>>>>>>>>>> Thanks for bringing this up Holden! I'm a strong supporter > of > > >>>>>>>>>>>> this. > > >>>>>>>>>>>> > > >>>>>>>>>>>> Awesome! I'm glad other folks think something like this > belongs > > >>>>>>>>>>> in Spark. > > >>>>>>>>>>> > > >>>>>>>>>>>> This was one of the original goals for mllib-local: to have > > >>>>>>>>>>>> local versions of MLlib models which could be deployed > without > > >>>>>>>>>>>> the big > > >>>>>>>>>>>> Spark JARs and without a SparkContext or SparkSession. > There > > >>>>>>>>>>>> are related > > >>>>>>>>>>>> commercial offerings like this : ) but the overhead of > > >>>>>>>>>>>> maintaining those > > >>>>>>>>>>>> offerings is pretty high. Building good APIs within MLlib > to > > >>>>>>>>>>>> avoid copying > > >>>>>>>>>>>> logic across libraries will be well worth it. > > >>>>>>>>>>>> > > >>>>>>>>>>>> We've talked about this need at Databricks and have also > been > > >>>>>>>>>>>> syncing with the creators of MLeap. It'd be great to get > this > > >>>>>>>>>>>> functionality into Spark itself. Some thoughts: > > >>>>>>>>>>>> * It'd be valuable to have this go beyond adding transform() > > >>>>>>>>>>>> methods taking a Row to the current Models. Instead, it > would > > >>>>>>>>>>>> be ideal to > > >>>>>>>>>>>> have local, lightweight versions of models in mllib-local, > > >>>>>>>>>>>> outside of the > > >>>>>>>>>>>> main mllib package (for easier deployment with smaller & > fewer > > >>>>>>>>>>>> dependencies). > > >>>>>>>>>>>> * Supporting Pipelines is important. For this, it would be > > >>>>>>>>>>>> ideal to utilize elements of Spark SQL, particularly Rows > and > > >>>>>>>>>>>> Types, which > > >>>>>>>>>>>> could be moved into a local sql package. > > >>>>>>>>>>>> * This architecture may require some awkward APIs currently > to > > >>>>>>>>>>>> have model prediction logic in mllib-local, local model > classes > > >>>>>>>>>>>> in > > >>>>>>>>>>>> mllib-local, and regular (DataFrame-friendly) model classes > in > > >>>>>>>>>>>> mllib. We > > >>>>>>>>>>>> might find it helpful to break some DeveloperApis in Spark > 3.0 > > >>>>>>>>>>>> to > > >>>>>>>>>>>> facilitate this architecture while making it feasible for > 3rd > > >>>>>>>>>>>> party > > >>>>>>>>>>>> developers to extend MLlib APIs (especially in Java). > > >>>>>>>>>>>> > > >>>>>>>>>>> I agree this could be interesting, and feed into the other > > >>>>>>>>>>> discussion around when (or if) we should be considering Spark > > >>>>>>>>>>> 3.0 > > >>>>>>>>>>> I _think_ we could probably do it with optional traits people > > >>>>>>>>>>> could mix in to avoid breaking the current APIs but I could > be > > >>>>>>>>>>> wrong on > > >>>>>>>>>>> that point. > > >>>>>>>>>>> > > >>>>>>>>>>>> * It could also be worth discussing local DataFrames. They > > >>>>>>>>>>>> might not be as important as per-Row transformations, but > they > > >>>>>>>>>>>> would be > > >>>>>>>>>>>> helpful for batching for higher throughput. > > >>>>>>>>>>>> > > >>>>>>>>>>> That could be interesting as well. > > >>>>>>>>>>> > > >>>>>>>>>>>> > > >>>>>>>>>>>> I'll be interested to hear others' thoughts too! > > >>>>>>>>>>>> > > >>>>>>>>>>>> Joseph > > >>>>>>>>>>>> > > >>>>>>>>>>>> On Wed, May 9, 2018 at 7:18 AM, Holden Karau < > > >>>>>>>>>>>> > > > > > holden@ > > > > >> wrote: > > >>>>>>>>>>>> > > >>>>>>>>>>>>> Hi y'all, > > >>>>>>>>>>>>> > > >>>>>>>>>>>>> With the renewed interest in ML in Apache Spark now seems > like > > >>>>>>>>>>>>> a good a time as any to revisit the online serving > situation > > >>>>>>>>>>>>> in Spark ML. > > >>>>>>>>>>>>> DB & other's have done some excellent working moving a lot > of > > >>>>>>>>>>>>> the necessary > > >>>>>>>>>>>>> tools into a local linear algebra package that doesn't > depend > > >>>>>>>>>>>>> on having a > > >>>>>>>>>>>>> SparkContext. > > >>>>>>>>>>>>> > > >>>>>>>>>>>>> There are a few different commercial and non-commercial > > >>>>>>>>>>>>> solutions round this, but currently our individual > > >>>>>>>>>>>>> transform/predict > > >>>>>>>>>>>>> methods are private so they either need to copy or > > >>>>>>>>>>>>> re-implement (or put > > >>>>>>>>>>>>> them selves in org.apache.spark) to access them. How would > > >>>>>>>>>>>>> folks feel about > > >>>>>>>>>>>>> adding a new trait for ML pipeline stages to expose to do > > >>>>>>>>>>>>> transformation of > > >>>>>>>>>>>>> single element inputs (or local collections) that could be > > >>>>>>>>>>>>> optionally > > >>>>>>>>>>>>> implemented by stages which support this? That way we can > have > > >>>>>>>>>>>>> less copy > > >>>>>>>>>>>>> and paste code possibly getting out of sync with our model > > >>>>>>>>>>>>> training. > > >>>>>>>>>>>>> > > >>>>>>>>>>>>> I think continuing to have on-line serving grow in > different > > >>>>>>>>>>>>> projects is probably the right path, forward (folks have > > >>>>>>>>>>>>> different needs), > > >>>>>>>>>>>>> but I'd love to see us make it simpler for other projects > to > > >>>>>>>>>>>>> build reliable > > >>>>>>>>>>>>> serving tools. > > >>>>>>>>>>>>> > > >>>>>>>>>>>>> I realize this maybe puts some of the folks in an awkward > > >>>>>>>>>>>>> position with their own commercial offerings, but > hopefully if > > >>>>>>>>>>>>> we make it > > >>>>>>>>>>>>> easier for everyone the commercial vendors can benefit as > > >>>>>>>>>>>>> well. > > >>>>>>>>>>>>> > > >>>>>>>>>>>>> Cheers, > > >>>>>>>>>>>>> > > >>>>>>>>>>>>> Holden :) > > >>>>>>>>>>>>> > > >>>>>>>>>>>>> -- > > >>>>>>>>>>>>> Twitter: https://twitter.com/holdenkarau > > >>>>>>>>>>>>> > > >>>>>>>>>>>> > > >>>>>>>>>>>> > > >>>>>>>>>>>> > > >>>>>>>>>>>> -- > > >>>>>>>>>>>> Joseph Bradley > > >>>>>>>>>>>> Software Engineer - Machine Learning > > >>>>>>>>>>>> Databricks, Inc. > > >>>>>>>>>>>> [image: http://databricks.com] < > http://databricks.com/> > > >>>>>>>>>>>> > > >>>>>>>>>>> > > >>>>>>>>>>> > > >>>>>>>>>>> > > >>>>>>>>>>> -- > > >>>>>>>>>>> Twitter: https://twitter.com/holdenkarau > > >>>>>>>>>>> > > >>>>>>>>>>> > > >>>>>>>>>>> > > >>>>>>>>>> > > >>>>>>>>>> > > >>>>>>>>>> -- > > >>>>>>>>>> Joseph Bradley > > >>>>>>>>>> Software Engineer - Machine Learning > > >>>>>>>>>> Databricks, Inc. > > >>>>>>>>>> [image: http://databricks.com] <http://databricks.com/> > > >>>>>>>>>> > > >>>>>>>>> -- > > >>>>>>>>> -- > > >>>>>>>>> Cheers, > > >>>>>>>>> Leif > > >>>>>>>>> > > >>>>>>>> > > >>>>>>> > > >>>>>>> > > >>>>>>> -- > > >>>>>>> Twitter: https://twitter.com/holdenkarau > > >>>>>>> > > >>>>>>> > > >>>>>>> > > >>>>>> > > >>>>>> > > >>>>>> > > >>>>>> > > >>>> > > >>>> > > >>>> -- > > >>>> Twitter: https://twitter.com/holdenkarau > > >>>> > > >>> -- > > > Twitter: https://twitter.com/holdenkarau > > > > > > > > > > > > -- > > Sent from: http://apache-spark-developers-list.1001551.n3.nabble.com/ > > > > --------------------------------------------------------------------- > > To unsubscribe e-mail: dev-unsubscr...@spark.apache.org > > > > > --------------------------------------------------------------------- > To unsubscribe e-mail: dev-unsubscr...@spark.apache.org > >