Maximum number of times to retry an operation that has failed.
Can be set in: collection.cfg
This setting specifies the maximum number of times to retry an operation which has failed (for whatever reason).
It is up to an individual module as to whether operation retries are supported. An example of a module which does is the filecopy gathering component.
If you are crawling a fileshare which has periodic connection problems you might decide to increase the number of retries: