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Yandex Managed Service for Apache Kafka®
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  1. Concepts
  2. Host classes

Host classes

Written by
Yandex.Cloud
  • Available host classes

The host class determines the computing power allocated for each host in the cluster. When you change the host class for a cluster, all existing hosts change to match it.

The available storage doesn't depend on the host class. For storage limitations, see Quotas and limits in Managed Service for Apache Kafka®.

Available host classes

Hosts in Managed Service for Apache Kafka® clusters are deployed on Yandex Compute Cloud VMs. You can create these VMs on any of the platforms that Compute Cloud supports. For a detailed description of the platforms, see Platforms.

The full list of possible host configurations on each platform is provided below.

Configuration types:

  • s2, s3: Standard configurations, with 4:1 GB RAM to vCPU ratio.
  • m2, m3: Configurations with an increased GB RAM to vCPU ratio (8:1). These configurations can be useful for clusters with higher cache requirements.
  • b2: Configurations with a guaranteed vCPU share under 100%. This class of hosts is intended for test load, with the minimum recommended host configuration for production solutions being 2 vCPUs with a guaranteed share of 50%.
Host class name Number of vCPUs Guaranteed vCPU performance RAM, GB
Intel Cascade Lake
b2.medium 2 50% 4
m2.micro 2 100% 16
m2.small 4 100% 32
m2.medium 6 100% 48
m2.large 8 100% 64
m2.xlarge 12 100% 96
m2.2xlarge 16 100% 128
m2.3xlarge 24 100% 192
m2.4xlarge 32 100% 256
m2.5xlarge 40 100% 320
m2.6xlarge 48 100% 384
m2.7xlarge 56 100% 448
m2.8xlarge 64 100% 512
s2.micro 2 100% 8
s2.small 4 100% 16
s2.medium 8 100% 32
s2.large 12 100% 48
s2.xlarge 16 100% 64
s2.2xlarge 24 100% 96
s2.3xlarge 32 100% 128
s2.4xlarge 40 100% 160
s2.5xlarge 48 100% 192
s2.6xlarge 64 100% 256
Intel Ice Lake
b3-c1-m4 2 50% 4
s3-c2-m8 2 100% 8
s3-c4-m16 4 100% 16
s3-c8-m32 8 100% 32
s3-c12-m48 12 100% 48
s3-c16-m64 16 100% 64
s3-c24-m96 24 100% 96
s3-c32-m128 32 100% 128
s3-c40-m160 40 100% 160
s3-c48-m192 48 100% 192
s3-c64-m256 64 100% 256
s3-c80-m320 80 100% 320
s3-c96-m576 96 100% 576
m3-c2-m16 2 100% 16
m3-c4-m32 4 100% 32
m3-c6-m48 6 100% 48
m3-c8-m64 8 100% 64
m3-c12-m96 12 100% 96
m3-c16-m128 16 100% 128
m3-c24-m192 24 100% 192
m3-c32-m256 32 100% 256
m3-c40-m320 40 100% 320
m3-c48-m384 48 100% 384
m3-c56-m448 56 100% 448
m3-c64-m512 64 100% 512
m3-c80-m640 80 100% 640

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