# setPrefetchComputeNodeData {#setPrefetchComputeNodeData}

**Parent topic:**[Functions](../../Functions/category.md)

## Syntax {#syntax}

`setPrefetchComputeNodeData(flag)`

## Arguments {#arguments}

**flag**is a Boolean value.

## Details {#details}

Modify the value of *enableComputeNodePrefetchData* online. This function can only be executed by an administrator on the controller.

**Note:** The modified configuration is only valid for the current node, and will expire after the system restarts. To make it permanent, please set the configuration parameter *enableComputeNodePrefetchData.*

## Examples {#topic_z3t_crv_fdc}

``` {#codeblock_okc_drv_fdc}
setPrefetchComputeNodeData(false) 
```

**Related Function**: [getPrefetchComputeNodeData](../g/getPrefetchComputeNodeData.md)

