Both are for different set of forms.Action builder is for PDF and HTML5 forms created in Forms Designer.Rule editor is mainly for adaptive forms.

batchSize: The number of files or folders to be picked up per scan. Use to prevent an overload on the system; scanning too many files at one time can cause a crash. The default value is 2.The Poll Interval and Batch Size settings determine how many files Watched Folder picks up in every scan. Watched Folder uses a Quartz thread pool to scan the input folder. The thread pool is shared with other services. If the scan interval is small, the threads scan the input folder often. If files are dropped...