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Configuration Guide - Device Management

S1720, S2700, S5700, and S6720 V200R011C10

This document describes the principles and configurations of the Device Management features, and provides configuration examples of these features.
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How Can I Determine Whether CPU Usages of the System and Processes Are High?

How Can I Determine Whether CPU Usages of the System and Processes Are High?

System CPU usage is within the normal range if the following conditions are met:
  1. The CPU usage does not exceed 80% when the system runs for a long period.
  2. The CPU usage does not exceed 95% in a short period and does not keep increasing.
  3. No high CPU usage alarm is generated.
In the following scenarios, the system may generate an alarm when CPU usage becomes high instantly and then clear this alarm rapidly. This situation is a normal situation and does not affect the device operation.
  1. The device just starts.
  2. Information about all optical modules is queried at a time.
  3. Traffic volume increases instantly.

CPU usage of a CPU task process may become low or high, depending on the service volume and processing time. CPU usage is within a normal range as long as the system CPU usage does not exceed 80% and no high CPU usage alarm is generated.

High CPU usage alarms are as follows:
  • Alarm
    ENTITYTRAP_1. hwCPUUtilizationRising
    ENTITYTRAP/4/ENTITYCPUALARM:OID [oid] CPU utilization exceeded the pre-alarm threshold.(Index=[INTEGER], 
    EntityPhysicalIndex=[INTEGER], PhysicalName=[OCTET], EntityThresholdType=[INTEGER], EntityThresholdValue=[INTEGER], 
    EntityThresholdCurrent=[INTEGER], EntityTrapFaultID=[INTEGER].)
Updated: 2019-10-21

Document ID: EDOC1000178167

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