Using Memory Visualizer

This GUI utility helps you visualize memory use and track it through time, by displaying a graphic plot. This tool is deprecated, though, and we recommend you use IBM's Optim™ tool.

Getting ready

On AIX systems, if you don't have an X server and the GUI utilities installed, you will need to set up a client workstation.

In our example, since we did not have any application accessing the database, we started the Control Center to provoke activity on the database. This ensures that the database allocates and uses memory. You won't need to do this on an active database.

How to do it...

1. Call the utility.

   Invoke the Memory Visualizer from the command line, and a pop up will appear so you can connect to an instance; click on OK:

   [db2instp@nodedb21 ~]$ db2memvis
   

   

2. Configure refresh rate.

   You will see the main screen, and on the right, there is a box with No Automatic refresh. Click on it and select 5 seconds; the display will be refreshed regularly:

   

3. Make sure you have enough monitoring...