Launching an RCE Powered Application

To launch an RCE powered version of a statistical application:

1. Click the Applications menu, select the RCE Powered Applications submenu, and then select the statistical tool that you choose to launch.

appmenu_rce_matlab.png

2. You will prompted to enter the amount of memory to reserve for your job in GB.

 Determine the Amount of RAM Reserved for Your Job

Please Note: To ensure a fair distribution of resources we ask that you be conservative in your memory reservation requests.

3. The system analyzes resources and determines if there are resources available on the primary flock for your process.

4. If there are resources available for your process on the primary flock:

4.1. A Please Wait message is displayed indicating that your application is allocated to a primary flock.

rce_submit_primary.png

Note: You can click Cancel to stop this action and not open the application. A Warning message is displayed to notify you that your application launch is canceled. Click OK to acknowledge this warning.

4.2. When the application is ready to launch, a Please Note window prompts you to complete the launch action. You must click OK within two minutes or the application times out and you must start again from the beginning. If you do not respond to the Launch Application prompt within the allotted time, your application does not launch and the prompt window closes.
Please Note: This notice also indicates the specific server on which your job is running. In this example, the host is cod6-1.clus.hmdc.harvard.edu . If you need to contact support when you use this tool, supply the server name identified here.

rce_wrapper_notice.png

4.3. Click OK to launch your application.

If you launched an application with a command-line interface (CLI), the tool opens in a new window. 
If you launched an application with a GUI, the GUI application will open as normal.

5. If there are no resources available in the primary flock, but resources available in the backup flock:

5.1. A Please Note message is displayed indicating that there are no primary flock resources available for your application, but there are backup flock resources available.

rce_noprimary_backup.png

5.2. Click OK to acknowledge this message.

5.3. A message window prompts you to launch your application on the backup flock

.rce_backup_prompt_1.png

      • Click Yes to launch your application on a backup flock server.
      • Click No to cancel the launch of your application.

5.4. A Please Wait message is displayed indicating that your application is allocated to a backup flock server.

rce_submit_backup_1.png

Note: You can click Cancel to stop this action and not open the application. A Warning message is displayed to notify you that your application launch is canceled. Click OK to acknowledge this warning.

5.5. When the application is ready to launch, a Please Note window prompts you to complete the launch action. You must click OK within 30 seconds or the application times out and you must start again from the beginning. If you do not respond to the Launch Application prompt within the allotted time, your application does not launch and the prompt window closes.

5.6. Click OK to launch your application. 

If you launched an application with a CLI, the tool opens in a new window. The banner on this window indicates the specific server on which your are working. If you need to contact support when you use this tool, supply this server name.

6. If there are no resources available in the primary flock, and no resources available in the backup flock:

6.1. You will see a notice indicating that there are no resources available and asking you to lower your requirements.

rce_noprimary_nobackup.png

6.2. Click OK to exit and try again.

7. Once your process is started, you will see a small green clock icon and see a notification about your job run time.

r_running.png

  • r_running.png
  • rce_noprimary_nobackup.png
  • rce_submit_backup_1.png
  • rce_backup_prompt_1.png
  • rce_noprimary_backup.png
  • RCE Prompt: Job RAM Reservation
  • appmenu_rce_matlab.png
  • rce_submit_primary.png
  • rce_wrapper_notice.png