This is the new *Amazon CloudFormation Template Reference Guide*. Please update your bookmarks and links. For help getting started with CloudFormation, see the [Amazon CloudFormation User Guide](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/Welcome.html).

# AWS::DataBrew::Job JobSample
<a name="aws-properties-databrew-job-jobsample"></a>

A sample configuration for profile jobs only, which determines the number of rows on which the profile job is run. If a `JobSample` value isn't provided, the default is used. The default value is CUSTOM\_ROWS for the mode parameter and 20,000 for the size parameter.

## Syntax
<a name="aws-properties-databrew-job-jobsample-syntax"></a>

To declare this entity in your Amazon CloudFormation template, use the following syntax:

### JSON
<a name="aws-properties-databrew-job-jobsample-syntax.json"></a>

```
{
  "[Mode](#cfn-databrew-job-jobsample-mode)" : {{String}},
  "[Size](#cfn-databrew-job-jobsample-size)" : {{Integer}}
}
```

### YAML
<a name="aws-properties-databrew-job-jobsample-syntax.yaml"></a>

```
  [Mode](#cfn-databrew-job-jobsample-mode): {{String}}
  [Size](#cfn-databrew-job-jobsample-size): {{Integer}}
```

## Properties
<a name="aws-properties-databrew-job-jobsample-properties"></a>

`Mode`  <a name="cfn-databrew-job-jobsample-mode"></a>
A value that determines whether the profile job is run on the entire dataset or a specified number of rows. This value must be one of the following:  
+ FULL\_DATASET - The profile job is run on the entire dataset.
+ CUSTOM\_ROWS - The profile job is run on the number of rows specified in the `Size` parameter.
*Required*: No  
*Type*: String  
*Allowed values*: `FULL_DATASET | CUSTOM_ROWS`  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`Size`  <a name="cfn-databrew-job-jobsample-size"></a>
The `Size` parameter is only required when the mode is CUSTOM\_ROWS. The profile job is run on the specified number of rows. The maximum value for size is Long.MAX\_VALUE.  
Long.MAX\_VALUE = 9223372036854775807  
*Required*: No  
*Type*: Integer  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)