> Is that OK?

We shouldn’t add any code that is broke some existing, widely used feature.
Let’s fix it before the merge.


> 10 июня 2020 г., в 13:54, Ivan Bessonov <bessonov...@gmail.com> написал(а):
> 
> Hello,
> 
> Sorry for the delay. Sergey Chugunov (sergey.chugu...@gmail.com) just
> replied
> to the main conversation about "communication via discovery" [1]. We work
> on it
> together and recently have found one hard-to-fix scenario, detailed
> description is
> provided in Sergey's reply.
> 
> In short, July 10th looks realistic only if we introduce new behavior in
> its current
> implementation, with new setting and IgniteExperimental status. Blocker
> here is
> current implementation of Continuos Query protocol that in some cases
> (described
> at the end) initiates TCP connection right from discovery thread which
> obviously
> leads to deadlock. We haven't estimated efforts needed to redesign of CQ
> protocol
> but it is definitely a risk and fixing it isn't feasible with a code freeze
> at 10th of July.
> So my verdict: we can include this new feature in 2.9 scope as experimental
> and with
> highlighted limitation on CQ usage. Is that OK?
> 
> CQ limitation: server needs to open a communication connection to the
> client if during
> CQ registration client tries to p2p deploy new class not available on
> server classpath.
> In other cases registration of CQ should be fine.
> 
> [1]
> http://apache-ignite-developers.2346864.n4.nabble.com/DISCUSSION-New-Ignite-settings-for-IGNITE-12438-and-IGNITE-13013-td47586.html
> 
> вт, 9 июн. 2020 г. в 19:36, Ivan Rakov <ivan.glu...@gmail.com>:
> 
>> Hi,
>> 
>> Indeed, the tracing feature is almost ready. Discovery, communication and
>> transactions tracing will be introduced, as well as an option to configure
>> tracing in runtime. Right now we are working on final performance
>> optimizations, but it's very likely that we'll complete this activity
>> before the code freeze date.
>> Let's include tracing to the 2.9 release scope.
>> 
>> More info:
>> https://cwiki.apache.org/confluence/display/IGNITE/IEP-48%3A+Tracing
>> https://issues.apache.org/jira/browse/IGNITE-13060
>> 
>> --
>> Best Regards,
>> Ivan Rakov
>> 
>> On Sat, Jun 6, 2020 at 4:30 PM Denis Magda <dma...@apache.org> wrote:
>> 
>>> Hi folks,
>>> 
>>> The timelines proposed by Alex Plekhanov sounds reasonable to me. I'd
>> like
>>> only to hear inputs of @Ivan Rakov <ira...@gridgain.com>, who is about
>> to
>>> finish with the tracing support, and @Ivan Bessonov
>>> <ibesso...@gridgain.com>, who is fixing a serious limitation for K8
>>> deployments [1]. Most likely, both features will be ready by the code
>>> freeze date (July 10), but the guys should know it better.
>>> 
>>> [1]
>>> 
>> http://apache-ignite-developers.2346864.n4.nabble.com/DISCUSSION-New-Ignite-settings-for-IGNITE-12438-and-IGNITE-13013-td47586.html
>>> 
>>> -
>>> Denis
>>> 
>>> 
>>> On Wed, Jun 3, 2020 at 4:45 AM Alex Plehanov <plehanov.a...@gmail.com>
>>> wrote:
>>> 
>>>> Hello Igniters,
>>>> 
>>>> AI 2.8.1 is finally released and as we discussed here [1] its time to
>>>> start
>>>> the discussion about 2.9 release.
>>>> 
>>>> I want to propose myself to be the release manager of the 2.9 release.
>>>> 
>>>> What about release time, I agree with Maxim that we should deliver
>>>> features
>>>> as frequently as possible. If some feature doesn't fit into release
>> dates
>>>> we should better include it into the next release and schedule the next
>>>> release earlier then postpone the current release.
>>>> 
>>>> I propose the following dates for 2.9 release:
>>>> 
>>>> Scope Freeze: June 26, 2020
>>>> Code Freeze: July 10, 2020
>>>> Voting Date: July 31, 2020
>>>> Release Date: August 7, 2019
>>>> 
>>>> WDYT?
>>>> 
>>>> [1] :
>>>> 
>>>> 
>> http://apache-ignite-developers.2346864.n4.nabble.com/Ignite-Releases-Plan-td47360.html#a47575
>>>> 
>>> 
>> 
> 
> 
> -- 
> Sincerely yours,
> Ivan Bessonov

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