Should we accommodate for Q&A? I think it would be reasonable to set the talk time to 20 minutes with additional 5 minutes for Q&A.
(I am fine with making some talks longer — the above is just a general suggestion for the Q&A part). Thanks, Walaa. On Sun, Jan 19, 2025 at 8:25 PM Mihai Budiu <mbu...@gmail.com> wrote: > Julian is way too generous with his praise of my work. > Moreover, we have a lot to learn from Julian as well. > And his talk is a very timely subject. > It would also be unfair to give me a bigger time share; I think the time > should be divided evenly between the talks. > I will work to squeeze the essential ideas in 20 minutes. > If there is so much enthusiasm for the meetup maybe we can do another one > sooner? We could have a queue with talk proposals, and when it's long > enough we could meet again? > > Mihai > > ________________________________ > From: Julian Hyde <jhyde.apa...@gmail.com> > Sent: Sunday, January 19, 2025 9:40 AM > To: dev@calcite.apache.org <dev@calcite.apache.org> > Subject: Re: [DISCUSS] Apache Calcite Meetup February 2025 > > Since we have so many talks, I’m happy to remove myself from the agenda to > give others more time. I can give my talk at a later meetup. > > I would favor giving Mihai more than twenty minutes. There is a lot of > depth to his work - he won best paper at VLDB last year - and much for us > all to learn. > > > On Jan 15, 2025, at 3:45 PM, Mihai Budiu <mbu...@gmail.com> wrote: > > > > Hello. > > > > I guess the time is fixed at 20 minutes now. My talk needs a fair amount > of background, so it won't fit easily (depending on whether I can assume > people have seen my previous meetup/CoC presentations). > > > > Here is my abstract: > > > > Streaming, incremental, finite-memory computations in SQL over > > unbounded streams > > > > SQL is the standard language for expressing computations on > > collections. Using modern incremental view maintenance techniques, > > SQL can also be adopted as the standard language for computing on > > *changes* to collections. In previous presentations we have shown how > > to automatically convert any SQL program that defines views into an > > *incremental* program: the inputs of an incremental program are > > insertions, deletions, and updates to data tables, and the outputs of > > the incremental program are insertions, deletions, and updates of the > > maintained views. > > > > Whereas SQL queries are stateless systems, the incremental programs > > are stateful streaming systems that maintain complex *indexes* for > > performing efficient updates. The indexes enable computing all > > updates in time proportional to the size of the changes. > > > > In this presentation we discuss the problem of computing over data > > that grows unbounded (e.g., event streams), leading to potentially > > unbounded indexes. We present the design and implementation of a > > fully automatic mechanism which enables many such computations to use > > only finite memory by garbage-collecting the indexes at runtime. The > > mechanism requires users to specify bounds on the amount of > > "out-of-orderness" of the input data, using annotations on input > > tables. > > > > Thank you for organizing this! > > Mihai > > > > > > > > ________________________________ > > From: Stamatis Zampetakis <zabe...@gmail.com> > > Sent: Wednesday, January 15, 2025 7:29 AM > > To: dev@calcite.apache.org <dev@calcite.apache.org> > > Subject: Re: [DISCUSS] Apache Calcite Meetup February 2025 > > > > I can also give a talk based on some recent work that we did in Apache > > Hive around CTEs. > > > > With Walaa's and mine we now have five talks for the meetup. > > > > 1. Improving testing of JDBC adapter's dialects - Julian Hyde (Google) > > 2. Federated Query Planning w/ Substrait - Victor Barua (Datadog) > > 3. Combining streaming and incremental computation in SQL - Mihai > > Budiu (Feldera) > > 4. Revolutionizing Data Lakes: A Dive into Coral, the SQL Translation, > > Analysis, and Rewrite Engine - Walaa Eldin Moustafa (LinkedIn) > > 5. Optimizing Common Table Expressions in Apache Hive with Calcite - > > Stamatis Zampetakis (Cloudera) > > > > It would be nice to keep the duration of each talk around 20 minutes > > so that we finish with the presentations in ~2hrs. If more or less > > time is needed for some talks we can adapt. > > > > I now created the event on meetup [1] based on the information that I > > have so far. It would be nice to fill in the description/abstract part > > for each talk so please share the necessary details when you get a > > chance. > > > > Best, > > Stamatis > > > > [1] https://www.meetup.com/apache-calcite/events/305627349 > > > >> On Fri, Jan 10, 2025 at 8:16 PM Walaa Eldin Moustafa > >> <wa.moust...@gmail.com> wrote: > >> > >> That is a great idea. I would love to join in person as well. I can talk > >> about Coral [1]. > >> > >> Revolutionizing Data Lakes: A Dive into Coral, the SQL Translation, > >> Analysis, and Rewrite Engine. > >> > >> [1] https://github.com/linkedin/coral > >> > >> Thanks, > >> Walaa. > >> > >> > >> On Fri, Jan 10, 2025 at 11:05 AM Stamatis Zampetakis <zabe...@gmail.com > > > >> wrote: > >> > >>> I now have some more clarity regarding the physical venue of the > >>> meetup. It will be held in Cloudera's offices in Santa Clara, > >>> California. More details will come over the next few weeks. > >>> > >>> Cloudera is also going to help with promoting the event to various > >>> channels and other meetup groups. > >>> > >>> Now with Mihai's proposal we have three topics for the meetup: > >>> * Improving testing of our JDBC adapter's dialects > >>> * Federated Query Planning w/ Substrait > >>> * Combining streaming and incremental computation in SQL > >>> > >>> In order to put up the agenda and publish the event to a wider > >>> audience we need the title, abstract, and expected duration for each > >>> talk. The sooner we publish the event the better it will be for people > >>> who would like to join. > >>> > >>> Best, > >>> Stamatis > >>> > >>> > >>> > >>> On Fri, Jan 3, 2025 at 9:02 PM Mihai Budiu <mbu...@gmail.com> wrote: > >>>> > >>>> I can give a talk about combining streaming and incremental > computation > >>> in SQL. > >>>> > >>>> Mihai > >>>> > >>>> ________________________________ > >>>> From: Stamatis Zampetakis <zabe...@apache.org> > >>>> Sent: Thursday, January 2, 2025 2:22 AM > >>>> To: dev@calcite.apache.org <dev@calcite.apache.org> > >>>> Subject: Re: [DISCUSS] Apache Calcite Meetup February 2025 > >>>> > >>>> So far we have two topics: > >>>> * Improving testing of our JDBC adapter's dialects > >>>> * Federated Query Planning w/ Substrait > >>>> > >>>> Both of them would be quite interesting and relevant for the meetup. > >>>> > >>>> For people who are willing to give a talk, please share the title, > >>>> abstract, and expected duration as soon as possible. Given that > >>>> February is not too far away, I would like to put up a tentative > >>>> agenda on meetup [1] so that people who don't follow the dev list can > >>>> arrange their schedules for the event. > >>>> > >>>> Best, > >>>> Stamatis > >>>> > >>>> [1] https://www.meetup.com/Apache-Calcite/ > >>>> > >>>> On Tue, Dec 31, 2024 at 9:00 PM Victor Barua > >>>> <victor.ba...@datadoghq.com.invalid> wrote: > >>>>> > >>>>> If folks are interested, I could give a talk along the lines of > >>> "Federated > >>>>> Query Planning w/ Substrait" which would be about how we're using > >>> Isthmus > >>>>> <https://github.com/substrait-io/substrait-java/tree/main/isthmus>, > >>> the > >>>>> Substrait <https://substrait.io/> <-> Calcite bridge, to be able to > >>> use > >>>>> Calcite as a query planner for our distributed execution system. > >>>>> > >>>>> On Tue, 24 Dec 2024 at 03:38, Ruben Q L <rube...@gmail.com> wrote: > >>>>> > >>>>>> Great idea, Stamatis! > >>>>>> I'll do my best to try to participate remotely. > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>> On Tue, Dec 24, 2024 at 10:21 AM Stamatis Zampetakis < > >>> zabe...@apache.org> > >>>>>> wrote: > >>>>>> > >>>>>>> Regarding the time it will be difficult to find a slot that is > >>>>>>> suitable for everyone worldwide. I proposed 5pm PST to facilitate > >>>>>>> those that will participate in person. > >>>>>>> > >>>>>>> If there are people interested in giving a talk in other regions > >>> and > >>>>>>> the timing does not work for them then we can try to see if there > >>> is > >>>>>>> another option that could accommodate those. Please let me know if > >>>>>>> that's the case. > >>>>>>> > >>>>>>> Best, > >>>>>>> Stamatis > >>>>>>> > >>>>>>> On Mon, Dec 23, 2024 at 7:58 PM Julian Hyde <jh...@apache.org> > >>> wrote: > >>>>>>>> > >>>>>>>> Excellent idea. I'm always happy to give a talk about Calcite, > >>> and > >>>>>>>> could travel to Santa Clara in person. One possible topic is > >>>>>>>> "Improving testing of our JDBC adapter's dialects". > >>>>>>>> > >>>>>>>> On Mon, Dec 23, 2024 at 9:46 AM Mihai Budiu <mbu...@gmail.com> > >>> wrote: > >>>>>>>>> > >>>>>>>>> Great idea, I would participate in person or in the hybrid > >>> format. > >>>>>>>>> > >>>>>>>>> Mihai > >>>>>>>>> > >>>>>>>>> ________________________________ > >>>>>>>>> From: Stamatis Zampetakis <zabe...@apache.org> > >>>>>>>>> Sent: Monday, December 23, 2024 12:47 AM > >>>>>>>>> To: dev@calcite.apache.org <dev@calcite.apache.org> > >>>>>>>>> Subject: [DISCUSS] Apache Calcite Meetup February 2025 > >>>>>>>>> > >>>>>>>>> Hi all, > >>>>>>>>> > >>>>>>>>> It's been quite a while since our last meetup [1, 2] so I was > >>>>>> thinking > >>>>>>>>> it may be a good idea to organize one around the beginning of > >>> 2025. > >>>>>>>>> > >>>>>>>>> I am considering the possibility of a hybrid event with few > >>>>>>>>> presentations followed by open discussion and socializing. In > >>> terms > >>>>>> of > >>>>>>>>> location, I am discussing something around Santa Clara, > >>> California. > >>>>>>>>> For those who cannot attend physically, we will use zoom or > >>> another > >>>>>>>>> app so that people can participate remotely. > >>>>>>>>> > >>>>>>>>> The tentative date that I have in mind is Thursday, 20 > >>> February, > >>>>>>>>> 5:00pm PST but nothing is fixed and we can adapt to > >>> accommodate more > >>>>>>>>> people. > >>>>>>>>> > >>>>>>>>> I created a small anonymous google form [3] to see if there is > >>> enough > >>>>>>>>> interest to hold an event on the proposed date and if it is > >>> worth > >>>>>>>>> organising a hybrid event instead of a fully virtual one. > >>> Please take > >>>>>>>>> a few seconds to submit your responses. > >>>>>>>>> > >>>>>>>>> Are there people willing to give a talk around Calcite? > >>>>>>>>> > >>>>>>>>> Best, > >>>>>>>>> Stamatis > >>>>>>>>> > >>>>>>>>> [1] https://www.meetup.com/Apache-Calcite/ > >>>>>>>>> [2] > >>> https://lists.apache.org/thread/8vbdtbjxt9zx4k93dof085yj3v5z820s > >>>>>>>>> [3] https://forms.gle/iuAB6hoDHuLdy3BC7 > >>>>>>> > >>>>>> > >>> >
