Managed NATS Service

NATS is an open-source, simple, secure, and high performance messaging system. It provides a data layer for cloud native applications, IoT messaging, and microservices architectures.

Parameters

Common parameters

NameDescriptionValue
externalEnable external access from outside the clusterfalse
replicasPersistent Volume size for NATS2
storageClassStorageClass used to store the data""
usersUsers configuration{}
jetstream.sizeJetstream persistent storage size10Gi
jetstream.enabledEnable or disable Jetstreamtrue
config.mergeAdditional configuration to merge into NATS config{}
config.resolverAdditional configuration to merge into NATS config{}
resourcesExplicit CPU and memory configuration for each NATS replica. When left empty, the preset defined in resourcesPreset is applied.{}
resourcesPresetDefault sizing preset used when resources is omitted. Allowed values: none, nano, micro, small, medium, large, xlarge, 2xlarge.nano

Parameter examples and reference

resources and resourcesPreset

resources sets explicit CPU and memory configurations for each replica. When left empty, the preset defined in resourcesPreset is applied.

resources:
  cpu: 4000m
  memory: 4Gi

resourcesPreset sets named CPU and memory configurations for each replica. This setting is ignored if the corresponding resources value is set.

Preset nameCPUmemory
nano100m128Mi
micro250m256Mi
small500m512Mi
medium500m1Gi
large12Gi
xlarge24Gi
2xlarge48Gi