A. GT 4.1.1 Release Notes: GKrellm Provider

1. Component Overview

The GKrellm Information Provider monitors systems for statistics like memory usage, CPU load, network load and disk load. It does this by communicating with a GKrellmd server, which must be running on all of the machines which are to be monitored. This information provider will collect the data from all specified gkrellmd servers, expose the collected data as a WSRF resource, and publish the resource to the Index Service.

2. Feature Summary

Features new in release 4.1.1:

  • TODO: list any new features for this information provider for this release.

3. Changes Summary

This is a new component for 4.2.

4. Bug Fixes

5. Known Problems

The following problems and limitations are known to exist for WS MDS GKrellm Service at the time of the 4.1.1 release:

5.1. Limitations

  • CPU load and current transfer rates are not being calculated correctly. They should be optional resource properties

5.2. Known Bugs

  • There are currently no bugs for this information provider.

6. Technology Dependencies

The Index Service depends on the following GT components:

The Index Service depends on the following 3rd party software:

  • All of the systems that the user wishes to observe via this information provider must be running gkrellmd version 2.2.7 or greater. More information on gkrellmd can be found at: http://www.gkrellm.net/

7. Tested Platforms

Tested Platforms for WS-MDS Index Service:

  • Linux on i386
  • Linux on x86_64

Tested containers for GKrellm Information Provider

  • Java WS Core container

8.  Backward Compatibility Summary

This is a new information provider with this version.

9. Associated Standards

Associated standards for WS GKrellm Information Provider:

  • WS-ResourceProperties (WSRF-RP)
  • WS-ResourceLifetime (WSRF-RL)
  • WS-BaseFaults (WSRF-BF)
  • WS-BaseNotification
  • WS-Topics

10. For More Information

See Appendix B, GT 4.1.1: WS MDS GKrellm Infomation Provider Reference for more information about this information provider.