# Nais Valkey reference This document describes all possible configuration values in the `Valkey` spec. ## databases Databases defines the number of logical databases for the Valkey instance. The default is 16. Type: `integer`
Required: `false`
Value range: `1`-`128`
> **Example** > ```yaml > spec: > databases: 16 > ``` ## maxMemoryPolicy MaxMemoryPolicy defines the maximum memory policy for the Valkey instance Type: `enum`
Required: `false`
Allowed values: `allkeys-lfu`, `allkeys-lru`, `allkeys-random`, `noeviction`, `volatile-lfu`, `volatile-lru`, `volatile-random`, `volatile-ttl`
> **Example** > ```yaml > spec: > maxMemoryPolicy: noeviction > ``` ## memory Memory defines the available memory for the Valkey instance Type: `enum`
Required: `true`
Allowed values: `112GB`, `14GB`, `1GB`, `200GB`, `28GB`, `4GB`, `56GB`, `8GB`
> **Example** > ```yaml > spec: > memory: 1GB > ``` ## notifyKeyspaceEvents Configure keyspace notifications for the Valkey instance. See [https://valkey.io/topics/notifications/](https://valkey.io/topics/notifications/) for details. Type: `string`
Required: `false`
Pattern: `^[KEg$lshztdxemnA]*$`
> **Example** > ```yaml > spec: > notifyKeyspaceEvents: KEA > ``` ## persistence Persistence controls persistence and backup settings. Type: `object`
Required: `false`
> **Example** > ```yaml > spec: > persistence: > disabled: true > ``` ### persistence.disabled Disabled indicates whether persistence (i.e. RDB dumps and backups) should be disabled for the Valkey instance. If true, the Valkey instance will not perform RDB dumps and backups. All data will be lost if the instance is restarted for any reason. Defaults to false. Type: `boolean`
Required: `false`
> **Example** > ```yaml > spec: > persistence: > disabled: true > ``` ## tier Tier defines the tier of the Valkey instance Type: `enum`
Required: `true`
Allowed values: `HighAvailability`, `SingleNode`
> **Example** > ```yaml > spec: > tier: HighAvailability > ``` ## version Version defines the Valkey version. Required when creating an instance. Instances predating this field adopt whichever version Aiven reports as running, and it cannot be unset again afterwards. Aiven upgrading an instance on its own is adopted here rather than reverted. Type: `enum`
Required: `true`
Allowed values: `8.1`, `9.0`, `9.1`
> **Example** > ```yaml > spec: > version: "9.1" > ```