Thank you for your responses and suggestions. I appreciate it.

Albert

On Wed, Apr 26, 2017 at 4:19 AM, Ufuk Celebi <u...@apache.org> wrote:

> Adding to what Zhijiang said: I think the way to go would be to create
> multiple "read views" over the pipelined subpartition. You would have
> to make sure that the initial reference count of the partition buffers
> is incremented accordingly. The producer will be back pressured by
> both consumers now. This could be undesired in some scenarios.
> Currently, both consumers are independent of each other by creating
> multiple partitions (with their own subpartitions) for each consumer.
>
>
>
> On Wed, Apr 26, 2017 at 5:58 AM, Zhijiang(wangzhijiang999)
> <wangzhijiang...@aliyun.com> wrote:
> > Hi albert,
> >
> >     As I know, if the upstream data will be consumed by multiple
> consumers,
> > it will generate multiple subpartitions, and each subpartition will
> > correspond to one input channel consumer.
> > So it is one-to-one correspondence among subpartition -> subpartition
> view
> > -> input channel.
> >
> > cheers,
> > zhijiang
> >
> > ------------------------------------------------------------------
> > 发件人:albertjonathan <alb...@cs.umn.edu>
> > 发送时间:2017年4月26日(星期三) 02:37
> > 收件人:user <user@flink.apache.org>
> > 主 题:Multiple consumers on a subpartition
> >
> > Hello,
> >
> > Is there a way Flink allow a (pipelined) subpartition to be consumed by
> > multiple consumers? If not, would it make more sense to implement it as
> > multiple input channels for a single subpartition or multiple
> subpartition
> > views for each input channel?
> >
> > Any suggestion is appreciated.
> >
> > Thanks
> >
> >
> >
> > --
> > View this message in context:
> > http://apache-flink-user-mailing-list-archive.2336050.
> n4.nabble.com/Multiple-consumers-on-a-subpartition-tp12809.html
> > Sent from the Apache Flink User Mailing List archive. mailing list
> archive
> > at Nabble.com.
> >
> >
>

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