Storm 2.0.0 release date?

[Dominik Safaric <do...@gmail.com>]

Hi,

what is the expected Storm 2.0.0 release date? 

Thanks,
Dominik

Re: Storm 2.0.0 release date?

[Jungtaek Lim <ka...@gmail.com>]

Porting to Java was a part of merging with JStorm which merging seems not
work actually, but IMHO there're individual reasons to do so:

1. It has been a hard requirement to learn Clojure to dig Storm code, and
contribute. I've seen many developers giving up reading/debugging the code,
and I was the one. (To be honest I think I'm still beginner to Clojure.)
So porting Storm to Java will give them a great chance to play with Storm
code, and also contribute.

2. Clojure is chosen by Nathan Marz who is creator of Storm. I guess he
knows Clojure very well, but he is no longer active PMC member, and some of
PMC members are not expert of Clojure.

3. We've met number of issues from dynamic typing. Type mismatch is
occurring in runtime which can be caught in compile time in strong static
typing. Well, someone can claim tests should catch them, but relying
compiler is easier and not to miss, and sometimes writing test code for
such code block is much harder than original code.

4. We've also met some performance issues. Most of cases were missing type
hints, and then reflection occurs in runtime. It's hard to indicate so we
could fix it after some releases were done. (e.g. the performance issue
which was introduced on 0.10 was fixed in 1.0.1.)
We've also indicated bad performance with "reduce":
https://gist.github.com/tolitius/1721519

5. Lambda and stream API in Java 8 will make us keeping productivity after
porting to Java. There're some other boilerplates as well, and IMHO other
language like Scala can boost up with strong static type too, but due to 1
Java seems to be the best choice.

Hope it helps.

Thanks,
Jungtaek Lim (HeartSaVioR)

2017년 2월 18일 (토) 오전 1:30, Mostafa Gomaa <mg...@trendak.com>님이 작성:

> I'm interested in knowing why the clojure code is being ported to java.
>
> On Feb 17, 2017 8:49 AM, "Jungtaek Lim" <ka...@gmail.com> wrote:
>
> What features you're waiting from Storm 2.0.0? New stream API will not be
> available for 1.x version, but most of features will be also available for
> upcoming Storm 1.1.0 which is expected to be released in this month.
>
> Btw, there're two pieces of code (except unit tests) left for porting
> Clojure to Java. Looks like no one is actively working on that, but once
> it's resolved, we could postpone merging JStorm features and prepare
> releasing 2.0.0, IMHO.
>
> If you're familiar with both Clojure and Java, and would like to
> contribute, picking up port work would be really appreciated.
> (STORM-1280 <https://issues.apache.org/jira/browse/STORM-1280> and
> STORM-1311 <https://issues.apache.org/jira/browse/STORM-1311>)
>
> Thanks,
> Jungtaek Lim (HeartSaVioR)
>
> 2017년 2월 17일 (금) 오전 2:57, Dominik Safaric <do...@gmail.com>님이 작성:
>
> Hi,
>
> what is the expected Storm 2.0.0 release date?
>
> Thanks,
> Dominik
>
>

Re: Storm 2.0.0 release date?

[Mostafa Gomaa <mg...@trendak.com>]

I'm interested in knowing why the clojure code is being ported to java.

On Feb 17, 2017 8:49 AM, "Jungtaek Lim" <ka...@gmail.com> wrote:

> What features you're waiting from Storm 2.0.0? New stream API will not be
> available for 1.x version, but most of features will be also available for
> upcoming Storm 1.1.0 which is expected to be released in this month.
>
> Btw, there're two pieces of code (except unit tests) left for porting
> Clojure to Java. Looks like no one is actively working on that, but once
> it's resolved, we could postpone merging JStorm features and prepare
> releasing 2.0.0, IMHO.
>
> If you're familiar with both Clojure and Java, and would like to
> contribute, picking up port work would be really appreciated.
> (STORM-1280 <https://issues.apache.org/jira/browse/STORM-1280> and
> STORM-1311 <https://issues.apache.org/jira/browse/STORM-1311>)
>
> Thanks,
> Jungtaek Lim (HeartSaVioR)
>
> 2017년 2월 17일 (금) 오전 2:57, Dominik Safaric <do...@gmail.com>님이 작성:
>
>> Hi,
>>
>> what is the expected Storm 2.0.0 release date?
>>
>> Thanks,
>> Dominik
>>
>

Re: Storm 2.0.0 release date?

[Jungtaek Lim <ka...@gmail.com>]

What features you're waiting from Storm 2.0.0? New stream API will not be
available for 1.x version, but most of features will be also available for
upcoming Storm 1.1.0 which is expected to be released in this month.

Btw, there're two pieces of code (except unit tests) left for porting
Clojure to Java. Looks like no one is actively working on that, but once
it's resolved, we could postpone merging JStorm features and prepare
releasing 2.0.0, IMHO.

If you're familiar with both Clojure and Java, and would like to
contribute, picking up port work would be really appreciated.
(STORM-1280 <https://issues.apache.org/jira/browse/STORM-1280> and
STORM-1311 <https://issues.apache.org/jira/browse/STORM-1311>)

Thanks,
Jungtaek Lim (HeartSaVioR)

2017년 2월 17일 (금) 오전 2:57, Dominik Safaric <do...@gmail.com>님이 작성:

> Hi,
>
> what is the expected Storm 2.0.0 release date?
>
> Thanks,
> Dominik
>