Which of the following is NOT a valid option for speeding up reports?

In Splunk, the options provided for speeding up reports involve strategies that enhance performance and efficiency in data processing and retrieval.

Editing acceleration is a valid method to speed up reports. It involves enabling data acceleration, which allows Splunk to pre-compute the results of searches, thus reducing the time it takes to generate reports.

Editing schedule is also a valid option. By scheduling reports to run at specific times or intervals, you can optimize resource usage and ensure that reports are ready when needed.

Editing permissions can indirectly affect performance by controlling which users can access data, thereby managing load. However, it does not have a direct impact on the speed of report generation.

On the other hand, editing fields does not contribute to speeding up reports. While managing fields is crucial for data organization and structure, it does not enhance the performance of report execution. This option focuses on the visibility and availability of specific fields in the dataset rather than optimizing the process of retrieving and processing the data for reports. Therefore, it is the option that does not align with accelerating report generation.