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Foglight 5.9.2 - Performance Tuning Field Guide

Overview Hardware and Operating System Tuning Management Server Tuning Java Virtual Machine Tuning Backend Database Tuning High Availability (HA) Tuning Agent Tuning Appendix: Performance Health Check Appendix: Analyzing a Support Bundle

Alarms Checks

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Look at the total count on the Alarms page.
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On the Alarms page, in the alarm table, change the alarm filters to include cleared alarms and observe the new alarm totals.

Possible Actions

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Tune rules.
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Disable rules.

Is the Business Logic Properly Tuned?

It is possible to configure Foglight® so that it is doing too much on the models. This usually happens as a result of massive misguided customization. Foglight’s customizability makes this easy to do. A set of derived metrics bound to TopologyObject can add literally thousands of expensive expressions.

Business Logic is Healthy if...

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CPU on the system is low when no browser interface operations are initiated.
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The number of rulettes and derived metric expressions on the system is in proportion to the number of topology objects. If there are more than 100,000 derived metric expressions, then the system is doing too much.
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