Hi,
Your assumption is right. Parallel processing is based in splitting inputs and
each split is only processed by one task instance at a time.
Best,
Stefan
> On 13. Mar 2019, at 09:52, mbilalce@gmail.com wrote:
>
> Hi,
>
> I am working with Gelly graph library but I think the question is applicable
> in general. I just want to confirm if a single data partition in Flink is
> executed by only a single executor/core? i.e. multiple executors can't be
> utilized to process a single partition in parallel. So, if I need to have
> utilize higher parallelism I should simply have an equal number of
> partitions.
>
> I suppose the reason for this is to avoid any kind of locking that might be
> required to process a data partition with multiple executors.
>
>
> Thanks
>
> - Bilal
>