Boris,

The ask seems to be for a *change-logged store* + broadcast stream
(basically shared persistent fault-tolerant state across all task
instances).



On Wed, May 4, 2016 at 9:25 AM, Boris Shkolnik <bor...@gmail.com> wrote:

> I may be missing something - but doesn't that sounds exactly as broadcast
> stream? You can make all the tasks read from all the partitions.
> (
>
> https://samza.apache.org/learn/documentation/0.10/container/samza-container.html
> ,
> search for broadcast)
>
> On Tue, May 3, 2016 at 12:46 PM, Jacob Maes <jacob.m...@gmail.com> wrote:
>
> > This sounds like SAMZA-402 (
> > https://issues.apache.org/jira/browse/SAMZA-402)
> > which, unfortunately, hasn't been implemented yet.
> >
> >
> >
> > On Tue, May 3, 2016 at 7:48 AM, Bae, Jae Hyeon <metac...@gmail.com>
> wrote:
> >
> > > Can we make a kafka topic as KV store globally to all tasks, not
> > > partitioned? For example, we have a kafka topic "cache" and it has a 4
> > > partitions. If we launch a container with 4 tasks, each task will have
> > one
> > > partition of "cache" kafka topic and create a KV store instance. I want
> > to
> > > make all 4 partitions in "cache" topic available in all tasks.
> > >
> > > On Mon, May 2, 2016 at 11:26 PM, Jagadish Venkatraman <
> > > jagadish1...@gmail.com> wrote:
> > >
> > > > Hi,
> > > >
> > > > What do you mean by broadcasted KV storage? Currently a KV store
> > instance
> > > > is specific to a task. Are you referring to broadcast streams?
> > > >
> > > >
> > > >
> > > > On Mon, May 2, 2016 at 7:58 PM, Bae, Jae Hyeon <metac...@gmail.com>
> > > wrote:
> > > >
> > > > > Hi Samza devs and users
> > > > >
> > > > > Is it possible to implement broadcasted KeyValueStorage with 0.9? I
> > > know
> > > > > 0.10 supports broadcast but we're not yet to 0.10.
> > > > >
> > > > > Thank you
> > > > > Best, Jae
> > > > >
> > > >
> > > >
> > > >
> > > > --
> > > > Jagadish V,
> > > > Graduate Student,
> > > > Department of Computer Science,
> > > > Stanford University
> > > >
> > >
> >
>



-- 
Jagadish V,
Graduate Student,
Department of Computer Science,
Stanford University

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