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OnTime Measuraments Evaluation

This evaluation includes reviews of the following wiki pages:

Evaluation Time Frame: February 14, 2012 - ???

On Time Measurement Findings

Evaluation of the OnTimeMeasure Experimenter Tutorial turned up an installation problem which prevented the mysql package from installing. After manually installing mysql, service still did not run properly. Started a new experiment, which also ran into problems with nodes not installing the expected packages for Root and Node Beacons, this issue was also resolved. was able to successfully complete the OnTimeMeasure Experimenter Tutorial and upon completion of the review the following email was sent which captured all feedback.

On Time Measurement How-to

OnTimeMeasure Experimenter Tutorial Review

The details captured in this section were executed as part of the evaluation for the OnTimeMeasure Experimenter Tutorial.

First try: Used the instructions that made use of importing an OnTimeMeasure Rspec.

  1. As instructed, requested user account at OnTime User Registration page.
  1. Reviewed instruction for getting account, generating keys and certificate, no issue found in the instructions.
  1. Using flack, create a slice and sliver using the rpsec provided in the tutorial, no issues found, so not captured here.
  1. Upon completion of sliver setu-up verified the Root and Node Beacons by connecting to the host URL on port 17291. Found that RootService had not started due to a MySQL installation issue, which was resolved by a patch.

Note: If the RootService is not running one can kill the supervisord process and then re-invoke it by issuing the command supervisord in the directory /opt/OnTimeMeasure/RootBeacon, which did not work, so rebooted to get all processes, which worked.

  1. Configured the root and node beacons in the /opt/OnTimeMeasure/OnTimeControl/config.yaml, and tried to check the measurement service status. At this point ran into another MySQL access problem, and based on suggestion started a new experiment.

Second Try : For this run through, chose the path that guides the user through manual compute resource definition.

  1. Created a slice and defined sliver resources for Root and Node Beacons, as shown in tutorial. The Node Beacon did not run as expected, there was no package installed on the nodes.

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