Frequently Asked Questions


What are some pitfalls regarding Adaptive Scheduling

Information about Adaptive Scheduling can be found on our documentation page. Contained in the zip file is the Windows executable file, details about configuring the Windows agent as well as details about Adaptive Scheduling in general. You can also find example scripts for Linux and other platforms in the LoadMaster Configuration Guide in Appendix H.

One of the most common problems arises from not adjusting the adaptive agent's configuration file. This is necessary in order to get the correct values. This is especially important for RAM, since it counts "down" - It counts the difference between the reported value and the max value and divides it by the max value. This percentage is then weighted using the weight in the configuration file. If this is misconfigured, it can easily yield a negative value and throw off the calculations. Negative values are almost always caused by a bad maximum RAM value.
If you are getting incorrect data, the agent can be run from the command line to see more details about the values returned and the weighted values used to compute the final value. This can help determine which aspect is incorrect..
Permissions problems can also prevent proper operation of the adaptive agent. As indicated by the LMperfagent-README.rtf, a -1 generally indicates that the agent was unable to open the local LMperfagent-config.txt file. This typically means there is a permissions issue. If that is the case, please confirm that all steps in the installation guide have been followed.

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