Chapter 3. Component Tuning Levers
This chapter provides guidelines for tuning levers for components that are key to HCP.
Kafka
Number partitions
Storm
Kafka spout
Polling frequency
Polling timeouts
Offset commit period
Max uncommitted offsets
Number workers (OS processes)
Number executors (threads in a process)
Number ackers
Max spout pending
Spout and bolt parallelism
HDFS
Replication factor