Tuning Guide
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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