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From Santhosh Kumar Shanmugham <sshanmug...@twitter.com.INVALID>
Subject Re: Reducing Failover Time by Eagerly Reading/Replaying Log in Followers
Date Wed, 26 Jul 2017 17:56:26 GMT
+1

This sets up the stage for more potential benefits by offloading work from
the leading scheduler that consumes stable data (that is not affected by
minor inconsistencies).

On Wed, Jul 26, 2017 at 10:31 AM, David McLaughlin <dmclaughlin@apache.org>
wrote:

> I'm +1 to this approach over my proposal. With the enforced daily failover,
> it's a much bigger win to make failovers "cheap" than making snapshots
> cheap, and this is going to be backwards compatible too.
>
> On Wed, Jul 26, 2017 at 9:51 AM, Jordan Ly <jordan.ly8@gmail.com> wrote:
>
> > Hello everyone!
> >
> > I've created a document with an initial proposal to reduce leader
> > failover time by eagerly reading and replaying the replicated log in
> > followers:
> >
> > https://docs.google.com/document/d/10SYOq0ehLMFKQ9rX2TGC_xpM--
> > GBnstzMFP-tXGQaVI/edit?usp=sharing
> >
> > We wanted to open up this topic for discussion with the community and
> > see if anyone had any alternate opinions or recommendations before
> > starting the work.
> >
> > If this solution seems reasonable, we will write and release a design
> > document for a more formal discussion and review.
> >
> > Please feel free to comment on the doc, or let me know if you have any
> > concerns.
> >
> > -Jordan
> >
>

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