Hi Mike,

If you set the number of shards to 1, you should get one shard per window; 
unless you have "ignore windows" set to true.

> (The way I'm checking this is via the Flink UI)

I'm curious, how do you check this via the Flink UI?

Cheers,
Max

On 09.06.19 22:33, Mike Kaplinskiy wrote:
> Hi everyone,
>
> I’m using a Kafka source with a lot of watermark skew (i.e. new
> partitions were added to the topic over time). The sink is a
> FileIO.Write().withNumShards(1) to get ~ 1 file per day & an early
> trigger to write at most 40,000 records per file. Unfortunately it looks
> like there's only 1 shard trying to write files for all the various days
> instead of writing multiple days' files in parallel. (The way I'm
> checking this is via the Flink UI). Is there anything I could do here to
> parallelize the process? All of this is with the Flink runner.
>
> Mike.
>
> Ladder <http://bit.ly/1VRtWfS>. The smart, modern way to insure your life.
>

Reply via email to