Re: Option to disable chaining?

Posted by Stephan Ewen on Feb 08, 2016; 7:02pm
URL: http://deprecated-apache-flink-mailing-list-archive.368.s1.nabble.com/Option-to-disable-chaining-tp10209p10212.html

It may be useful for example when you have two MapFunctions and each does
something CPU intensive, or communicates with an external service.

Without chaining, you will have two threads and an elastic channel between
the functions to buffer some records, which may help in such a case.


On Mon, Feb 8, 2016 at 7:57 PM, Greg Hogan <[hidden email]> wrote:

> When is this useful in streaming?
>
> On Mon, Feb 8, 2016 at 1:46 PM, Nick Dimiduk <[hidden email]> wrote:
>
> >
> >
> https://ci.apache.org/projects/flink/flink-docs-release-0.10/api/java/org/apache/flink/streaming/api/environment/StreamExecutionEnvironment.html#disableOperatorChaining()
> >
> > On Mon, Feb 8, 2016 at 10:34 AM, Greg Hogan <[hidden email]> wrote:
> >
> > > Is it possible to force operator chaining to be disabled? Similar to
> how
> > > object reuse can be enabled or disabled?
> > >
> > > Greg
> > >
> >
>