Overview
The collection of historical data and Threshold Crossing Alerts (TCA) provides a facility for understanding the long-term utilization and call traffic characteristics of the SBC Edge. The collection and analysis of this data over an extended period of time produces a clearer picture of how the node is being utilized and provides information necessary to properly modify its capacity. The TCA Thresholds feature allows the administrator to configure thresholds for monitoring real-time statistics. An alarm is raised when a user defined threshold for a particular attribute is crossed.
Overview
Statistics
The node collects the statistics listed in the table below. Each statistic has user configurable Raise and Clear alarm thresholds. An alarm is raised when the Raise threshold is exceeded, and conversely the alarm is cleared when the statistical value drops below the Clear threshold
Statistic | Minimum Threshold Range | Maximum Threshold Range | Polling Interval | Collection Interval | History Range | Maximum Number of Collections |
|---|---|---|---|---|---|---|
Signaling Group Channel Usage (peak) | 0 (Number of channel per Signaling Group minus 1) | 1 - Number of channels per Signaling Group | 1 min | 1 hr | 1 day | 25 |
SIP Call license Usage | 0 (Number of licenses minus 1) | 600 | 1 min | 1 hr | 1 day | 25 |
SIP Registration | 0 (Configured registrations minus 1) | 500 | 10 mins | 1 hr | 1 day | 25 |
DSP Usage (peak) | 0% | 100% | 1 min | 1 hr | 1 day | 25 |
CPU Usage | 0% | 100% | 10 secs | 1 min | 4 hrs | 241 |
Memory Usage | 0% | 100% | 10 secs | 1 min | 4 hrs | 241 |
| File Descriptor Usage | 0 | 4000 | 10 secs | 1 min | 4 hrs | 241 |
| 1 Minute Load Average | 1 (increments of 100% CPU usage) | 5 | 10 secs | 1 min | 4 hrs | 241 |
| 5 Minute Load Average | 1 | 5 | 10 secs | 1 min | 4 hrs | 241 |
| 15 Minute Load Average | 1 | 5 | 10 secs | 1 min | 4 hrs | 241 |
| Temporary Partition Usage | 0% | 100% | 10 secs | 1 min | 4 hrs | 241 |
| Logging Partition Usage (SBC2000 Only) | 0% | 100% | 10 secs | 1 min | 4 hrs | 241 |
Logging Partition Usage Applicability
The Logging Partition Usage statistics and its related alarms and events are only applicable to the SBC2000.
- Statistic. The type of statistic collected.
- Maximum/Minimum Threshold Range. The minimum and maximum threshold ranges used before an alarm is raised or cleared respectively.
- Polling Interval. The interval at which the system polls the statistic to see if it has crossed a threshold, and subsequently raises or clears an alarm if needed.
- Collection Interval. The interval at which the system collects data for the statistic.
- History Range. The amount of time the collected statistic is retained.
- Maximum number of Collections. The maximum number of collections that can be stored at any period of time. The collection with ID1 is the current collection interval, and the collections with IDs 2 -<max> are the historical collections.
Alarms and Events
TCA Type | Alarm (ID) | Event (ID) |
|---|---|---|
Signaling Group Channel Usage | TCA Threshold Exceeded | TCA Threshold Cleared |
SIP Call license Usage | TCA Threshold Exceeded | TCA Threshold Cleared |
SIP Registration | TCA Threshold Exceeded | TCA Threshold Cleared |
DSP Usage | TCA Threshold Exceeded | TCA Threshold Cleared |
CPU Usage | TCA Threshold Exceeded | TCA Threshold Cleared |
Memory Usage | TCA Threshold Exceeded | TCA Threshold Cleared |
| File Descriptor Usage | TCA Threshold Exceeded | TCA Threshold Cleared |
| 1 Minute Load Average | TCA Threshold Exceeded | TCA Threshold Cleared |
| 5 Minute Load Average | TCA Threshold Exceeded | TCA Threshold Cleared |
| 15 Minute Load Average | TCA Threshold Exceeded | TCA Threshold Cleared |
| Temporary Partition Usage | TCA Threshold Exceeded | TCA Threshold Cleared |
| Logging Partition Usage | TCA Threshold Exceeded | TCA Threshold Cleared |
Retrieving Data
Statistics data are available through the REST interface. For more information about using the REST interface see the SBC Edge REST Documentation.
Overview
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