Overview

This document describes how to set data and metadata caching parameters.

Directions

Enabling/Disabling data caching

To enable data caching in GooseFSRuntime, set goosefs.worker.ufs.instream.cache.enabled to true (default value).

To disable data caching, set goosefs.worker.ufs.instream.cache.enabled to false, as shown below.

apiVersion: data.fluid.io/v1alpha1
kind: GooseFSRuntime
metadata:
 name: hadoop
spec:
 replicas: 1
 tieredstore:
   levels:
     - mediumtype: SSD
       path: /mnt/disk1/
       quota: 290G
       high: "0.9"
       low: "0.8"
 properties:
   goosefs.worker.ufs.instream.cache.enabled: "false"

Enabling metadata caching

In GooseFSRuntime, you can use metadata to cache metadata information. To enable metadata caching, set goosefs.user.metadata.cache.enabled to true. The default value of the attribute is false.

Sample code:

apiVersion: data.fluid.io/v1alpha1
kind: GooseFSRuntime
metadata:
 name: hadoop
spec:
 replicas: 1
 tieredstore:
   levels:
     - mediumtype: SSD
       path: /mnt/disk1/
       quota: 290G
       high: "0.9"
       low: "0.8"
 properties:
   oosefs.worker.ufs.instream.cache.enabled: "true"
   goosefs.user.metadata.cache.enabled: "true"