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From Adrienne Kole <>
Subject Re: Is trident dead?
Date Tue, 18 Oct 2016 14:22:15 GMT
Thanks for reply.

I don't think that (at least in last 2 month) there was too many questions
related with Trident. So, it wouldn't take much time IMO for a committer to
reply.  That is why users pay attention to community when they use/choose
open source.
In this case, if Trident is alive, and there is no community, then, I think
it is better be used in Storm's internal projects like Storm Sql as you
And lastly,  IMO , being commit-wise active is not an indicator of
project's being alive as an open source, as no-one besides committers can
benefit from it.


On Mon, Oct 17, 2016 at 7:19 PM, Andrew Xor <>

> Trident is a major storm component -- you'd be certain that *if* a change
> of that magnitude happened in the project there'd be news about it.
> Besides... you can see the project is pretty active commit-wise, so the
> lack of help might be due to the fact that everyone is busy... you have to
> remember that this is primarily a volunteer based answer/response list.
> H
> ​ope that helps.
> ​
> On Mon, Oct 17, 2016 at 6:09 PM, Tom Brown <> wrote:
>> I don't think anyone was complaining about the lack of responses.
>> I think it is natural to question whether a project is still alive given
>> that there have been few responses to recent questions.
>> Nobody wants to start using an open source project that's dead-- that
>> just leads to headaches.
>> OTOH, I'm glad to hear that Trident is alive and well!
>> --Tom
>> On Sun, Oct 16, 2016 at 11:32 PM, Cheney Chen <>
>> wrote:
>>> That's a great answer not only to this question but also open source!
>>> On Sun, Oct 16, 2016 at 3:59 PM, Jungtaek Lim <> wrote:
>>>> Trident is the only way to create topology declaratively, and also only
>>>> way to support exactly-once. A relatively new project 'Storm SQL' uses
>>>> Trident. Trident is not even deprecated.
>>>> Btw, one of the clear advantage of Storm compared to Spark is the low
>>>> latency coming from streaming model, but Trident is also micro-batch model
>>>> hence also high latency. So IMHO Storm should invest streaming model more,
>>>> and eventually supports streaming and batch (if possible), not micro-batch.
>>>> There is some efforts regarding declarative API with streaming model,
>>>> STORM-1961 <>. Design
>>>> doc is available so you can take a look and comment, and also implementation
>>>> is available <> (though not
>>>> reviewed) so if you want to try it out you can build your own package and
>>>> do some experiments and feedback. Once this API supports exactly-once (in
>>>> later phase), this API might replace Trident usage, but it's unlikely be
>>>> done in a near future.
>>>> One thing you may need to know when playing with open source is that
>>>> answering the questions, participate the discussions, do some contributions
>>>> (code, doc, whatever), and all of things need considerable time, and many
>>>> of community members spend their leisure time to do it. Even someone is
>>>> supported by employer to work on Storm, they normally have other works as
>>>> well. (hence priority matters as same as what you meet in your daily work)
>>>> You need to find out your own answer if no one interests your question
>>>> (or no one can answer your question, who knows). Open source is not free,
>>>> it requires time and efforts instead of money, and that's why open source
>>>> technical support is valid for business model.
>>>> Hope this helps to answer your question.
>>>> Thanks,
>>>> Jungtaek Lim (HeartSaVioR)
>>>> 2016년 10월 17일 (월) 오전 5:29, Cheney Chen <>님이
>>>> Wondering as well.
>>>> Unfortunately just tried out weeks ago. I thought it was powerful and
>>>> easy to integrate.
>>>> Personally got questions not responded for days.
>>>> Looking forwards to clear answer here.
>>>> On Sun, Oct 16, 2016 at 1:14 PM, Adrienne Kole <
>>>> > wrote:
>>>> Hi ,
>>>> I am wondering is trident  a dead project?
>>>> Or is it wrong place to ask questions about trident?
>>>> Or did storm stop supporting trident?
>>>> I haven't seen any support for given questions related with this
>>>> project in previous 2-3 month.
>>>> Thanks
>>>> Adrienne
>>>> --
>>>> Regards,
>>>> Qili Chen (Cheney)
>>>> E-mail:
>>>> MP: (+1) 4086217503 <+1%20408-621-7503>
>>> --
>>> Regards,
>>> Qili Chen (Cheney)
>>> E-mail:
>>> MP: (+1) 4086217503

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