[Gluster-Maintainers] Backport for "Add back socket for polling of events immediately..."

[Atin Mukherjee]

On Sun, May 28, 2017 at 1:48 PM, Niels de Vos <ndevos at redhat.com> wrote:

> On Fri, May 26, 2017 at 12:25:42PM -0400, Shyam wrote:
> > Or this one: https://review.gluster.org/15036
> >
> > This is backported to 3.8/10 and 3.11 and considering the size and
> impact of
> > the change, I wanted to be sure that we are going to accept this across
> all
> > 3 releases?
> >
> > @Du, would like your thoughts on this.
> >
> > @niels, @kaushal, @talur, as release owners, could you weigh in as well
> > please.
> >
> > I am thinking that we get this into 3.11.1 if there is agreement, and
> not in
> > 3.11.0 as we are finalizing the release in 3 days, and this change looks
> > big, to get in at this time.
>

Given 3.11 is going to be a new release, I'd recommend to get this fix in
(if we have time). https://review.gluster.org/#/c/17402/ is dependent on
this one.

>
> > Further the change is actually an enhancement, and provides performance
> > benefits, so it is valid as a change itself, but I feel it is too late to
> > add to the current 3.11 release.
>
> Indeed, and mostly we do not merge enhancements that are non-trivial to
> stable branches. Each change that we backport introduces the chance on
> regressions for users with their unknown (and possibly awkward)
> workloads.
>
> The patch itself looks ok, but it is difficult to predict how the change
> affects current deployments. I prefer to be conservative and not have
> this merged in 3.8, at least for now. Are there any statistics in how
> performance is affected with this change? Having features like this only
> in newer versions might also convince users to upgrade sooner, 3.8 will
> only be supported until 3.12 (or 4.0) gets released, which is approx. 3
> months from now according to our schedule.
>
> Niels
>
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