The queue parameters control when the queue server triggers indexing and optimizing on the index server. You use the Flush function to trigger the following actions manually:
This affects documents with the status To Be Indexed.
This affects documents with the status To Be Optimized.
This happens if the queue has the status To Be Rolled Back.
This function does not affect documents with the status To Be Preprocessed. You cannot affect the time at which the queue server sends documents to the preprocessor.
You use this function for the following purposes:
The queue has the status Idle or To Be Rolled Back.