Ok, thanks for the clarification Till.
On Wed, Apr 20, 2016 at 4:46 PM, Till Rohrmann wrote:
> You could use CEP for that. First you would create a pattern of two states
> which matches everything. In the select function you could then check
> whether both elements are different.
>
> However, th
You could use CEP for that. First you would create a pattern of two states
which matches everything. In the select function you could then check
whether both elements are different.
However, this would be a little bit of an overkill for this simple use
case. You could for example simply use a flat
Can the CEP library be used for this use case?
On Wed, Apr 20, 2016 at 2:02 PM, Aljoscha Krettek
wrote:
> Hi,
> this could be done by implementing a user function that keeps state or by
> using windows with a custom Trigger. On only works, however, if you only
> have one Kafka partition and if y
Hi,
this could be done by implementing a user function that keeps state or by
using windows with a custom Trigger. On only works, however, if you only
have one Kafka partition and if your Flink job is executing with
parallelism=1. Otherwise we don't have any ordering guarantees on streams.
Cheers,