public void setPerformanceMode(String performanceMode) {
        this.performanceMode = performanceMode;
    }
<p>
The Performance mode of the file system.
</p>

@param performanceMode
       The Performance mode of the file system.
@see PerformanceMode
aws-java-sdk-efs/src/main/java/com/amazonaws/services/elasticfilesystem/model/FileSystemDescription.java