Re: [11u] [JFR] RFR(XXL) 8226511: Implement JFR Event Streaming

Denghui Dong denghui.ddh at alibaba-inc.com
Wed Mar 25 06:05:31 UTC 2020


Hi,

I believe there will be some volunteers, at least we(Alibaba) are willing to do it. Of course,
the premise of all this is that the maintainers agree with the work.

As Erik said, JFR Streaming has changed the internal implementation of jfr, so I think we need
to create an incubator branch and a small discussion group to trace this work, and we need some experienced people to help us. ��

Besides, JFR has just entered 8u, so I agree with Mario that it isn't appropriate time to discuss 
backporting JFR Streaming to 8u.

Thanks,
Denghui

------------------------------------------------------------------
From:Mario Torre <neugens at redhat.com>
Send Time:2020年3月25日(星期三) 00:31
To:Martijn Verburg <martijnverburg at gmail.com>
Cc:jdk-updates-dev <jdk-updates-dev at openjdk.java.net>
Subject:Re: [11u] [JFR] RFR(XXL) 8226511: Implement JFR Event Streaming

On Tue, Mar 24, 2020 at 5:19 PM Martijn Verburg
<martijnverburg at gmail.com> wrote:
>
> Hi all,
>
> Could we create a project/tree/branch for this work (jdk11u-jfr-test or some such) that a bunch of us could work on together to ensure the stability and quality of the patch before it goes into 11u?

For the JFR backport we created a small team, most of us were, if not
full time, at least "stable" on the project. While anyone could join
and share some knowledge, review a patch, or contribute some work, a
stable team means we can ensure questions and reviews are done
correctly and timely (after all, this is what happens in OpenJDK as
well).

So the question here would be if there is enough of manpower to
dedicate to this project from the interested parties.

Denghui has already done the backport but my experience with JFR tells
me that work will be needed on top of this anyway.

If we have consensus that this should go into the release (from the
maintainers) and the we have a critical mass of developers that are
willing to dedicate to it, then we can request an incubator repository
like we did with the JFR backport.

In other words, we need to have some volunteers that understand this
may be a time intensive work for the next weeks or months, and that
will need to be maintained after this when it's merged.

Cheers,
Mario
-- 
Mario Torre
Associate Manager, Software Engineering
Red Hat GmbH <https://www.redhat.com>
9704 A60C B4BE A8B8 0F30  9205 5D7E 4952 3F65 7898


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