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From Chinmay Kolhatkar <chin...@datatorrent.com>
Subject Re: [Proposal] Named Checkpoints
Date Thu, 04 Aug 2016 08:35:49 GMT
Nice feature. +1 for it.

One question, instead of creating a new tuple type, can this be done by
modifying current checkpoint tuple?



On Thu, Aug 4, 2016 at 2:02 PM, Yogi Devendra <yogidevendra@apache.org>
wrote:

> This will be awesome feature. I can see the usecases for production
> scenario as well as developement/troubleshooting environments.
>
> Excellent value add.
>
>
>
> ~ Yogi
>
> On 4 August 2016 at 12:40, Sandesh Hegde <sandesh@datatorrent.com> wrote:
>
> > Hello Team,
> >
> > This thread is to discuss the Named Checkpoint feature for Apex. (
> > https://issues.apache.org/jira/browse/APEXCORE-498)
> >
> > Named checkpoints allow following workflow,
> >
> > 1. Users can trigger a checkpoint and give it a name
> > 2. Relaunch the application from the named checkpoint.
> > 3. These checkpoints survive the "purge of old checkpoints".
> >
> > Current idea is to add a new control tuple, NamedCheckPointTuple, which
> > contains the user specified name, it traverses the DAG and along the way
> > necessary actions are taken.
> >
> > Please let me know your thoughts on this.
> >
> > Thanks
> >
>

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