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When the use of system resources exceeds certain levels, the performance of the system as a whole can be impaired. Therefore, you want the system to issue an alarm when these levels are exceeded so that you can take appropriate action before the situation becomes critical.
For Experience Portal, you can specify a high water and low water setting for CPU, memory, disk and port usage.
High Water: When a resource exceeds its high water setting for the first time, the system generates an alarm. Experience Portal does not generate another alarm for this resource until the resource usage goes back down below the low water setting and then rises back above the high water setting.
You can view high water alarms by generating an alarm report.
Low Water: When a resource exceeds its low water setting at any time, the system generates an informational event with a severity of Info.
If your system is configured to send informational events to the EPM, you can view low water events by generating an event report. Otherwise, you need to see the System Manager process log, which is accessible from the Log Directories page on the Media Server Service Menu.
For information on:
Setting the level of events that are sent to the EPM, see Setting the resource thresholds for events and alarms.
Setting which events are available in an event report, see Setting the global grace period and trace level parameters.