Impala

Sizing requirements for Impala can vary significantly depending on the size and types of workloads using Impala.

Component Native Memory JVM Heap CPU Disk
Impala Daemon Set this value using the Impala Daemon Memory Limit configuration property.
  • Minimum: 32 GB
  • Recommended: 128 GB
Set this value using the Java Heap Size of Impala Daemon in Bytes configuration property for the Coordinator Impala Daemons.
  • Minimum: 4 GB
  • Recommended: 8 GB
  • Minimum: 4
  • Recommended: 16 or more

CPU instruction set: AVX2

  • Minimum: 1 disk
  • Recommended: 8 or more
Catalog Server Set this value using the Java Heap Size of Catalog Server in Bytes configuration property.
  • Minimum: 4 GB
  • Recommended: 8 GB
  • Minimum: 4
  • Recommended: 16 or more

CPU instruction set: AVX2

  • Minimum and Recommended: 1 disk

For the networking topology for multi-rack cluster, Leaf-Spine is recommended for the optimal performance.