Re: How does MapWithStateRDD distribute the data

2016-08-03 Thread Cody Koeninger
Are you using KafkaUtils.createDirectStream? On Wed, Aug 3, 2016 at 9:42 AM, Soumitra Johri wrote: > Hi, > > I am running a steaming job with 4 executors and 16 cores so that each > executor has two cores to work with. The input Kafka topic has 4 partitions. > With this given configuration I was

Re: How does MapWithStateRDD distribute the data

2016-08-03 Thread Ben Teeuwen
Did you check the executors logs to check whether the kafka offsets pulled in evenly over the 4 executors? I recall a similar situation with such uneven balancing from a kafka stream, and ended up raising the amount of resources (RAM and cores). Then it nicely balanced out. I don’t understand t

How does MapWithStateRDD distribute the data

2016-08-03 Thread Soumitra Johri
Hi, I am running a steaming job with 4 executors and 16 cores so that each executor has two cores to work with. The input Kafka topic has 4 partitions. With this given configuration I was expecting MapWithStateRDD to be evenly distributed across all executors, how ever I see that it uses only two