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
| Name |
Description |
Type |
Value |
replicas |
Number of replicas. |
int |
2 |
resources |
Explicit CPU and memory configuration for each NATS replica. When omitted, the preset defined in resourcesPreset is applied. |
object |
{} |
resources.cpu |
CPU available to each replica. |
quantity |
"" |
resources.memory |
Memory (RAM) available to each replica. |
quantity |
"" |
resourcesPreset |
Default sizing preset used when resources is omitted. |
string |
nano |
storageClass |
StorageClass used to store the data. |
string |
"" |
external |
Enable external access from outside the cluster. |
bool |
false |
Application-specific parameters
| Name |
Description |
Type |
Value |
users |
Users configuration map. |
map[string]object |
{} |
users[name].password |
Password for the user. |
string |
"" |
jetstream |
Jetstream configuration. |
object |
{} |
jetstream.enabled |
Enable or disable Jetstream for persistent messaging in NATS. |
bool |
true |
jetstream.size |
Jetstream persistent storage size. |
quantity |
10Gi |
config |
NATS configuration. |
object |
{} |
config.merge |
Additional configuration to merge into NATS config. |
*object |
{} |
config.resolver |
Additional resolver configuration to merge into NATS config. |
*object |
{} |
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 name |
CPU |
memory |
nano |
250m |
128Mi |
micro |
500m |
256Mi |
small |
1 |
512Mi |
medium |
1 |
1Gi |
large |
2 |
2Gi |
xlarge |
4 |
4Gi |
2xlarge |
8 |
8Gi |
