The basic answer is that the 'AL' command loads all samples and 'A' only loads samples relevant to the target application. In more detail, I'll use an example of a fast running Monitor that a client created. The job which ran was a DB2 batch IVP. It started at 15:16:30 and ended at 15...
Sometimes Monitoring Datasets will display the "Monitor Dataset Empty" message when one attempts to Analyze them. If you receive that message than you can look in several areas to determine why. Let's use an example of a DB2 batch job. Look at the DB2 batch job output. How long did it...