Kinesis Client Library (KCL)

Question 1

Kinesis Client Library is a ….

Answer 1

Kinesis Client Library is a Java library that helps read records from a Kinesis Stream with distributed applications sharing the read workload.

Question 2

The KCL performs the following tasks:

Answer 2

1. Connects to the stream.
2. Enumerates the shards.
3. Coordinates shard associations with other workers (if any).
4. Instantiates a record processor for every shard it manages.
5. Pulls data records from the stream.
6. Pushes the records to the corresponding record processor.
7. Checkpoints processed records.
8. Balances shard-worker associations when the worker instance count changes.
9. Balances shard-worker associations when shards are split or merged.

Question 3

KCL can run on EC2…

Answer 3

KCL can run on EC2, Elastic Beanstalk, and on-premises servers.