In FusionInsight,how to resolve the alarm ALM-12016 CPU Usage Exceeds the Threshold?

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http://support.huawei.com/ehedex/pages/DOC1000113260YEF0811N/04/DOC1000113260YEF0811N/04/resources/alarm/ALM-12016.html?ft=0&id=alm12016

Other related questions:
In FusionInsight,What is the impact on system of ALM-12016 CPU Usage Exceeds the Threshold
Service processes respond slowly or become unavailable.

In FusionInsight,What time does ALM-12016 CPU Usage Exceeds the Threshold
The system checks the CPU usage every 30 seconds and compares the actual CPU usage with the threshold. The CPU usage has a default threshold. This alarm is generated when the CPU usage exceeds the threshold for several times (configurable, 10 times by default) consecutively.

In FusionInsight,What is the possible cause for ALM-12016 CPU Usage Exceeds the Threshold
1. The alarm threshold or alarm smoothing times are incorrect. 2. CPU configuration cannot meet service requirements. The CPU usage reaches the upper limit.

In FusionInsight,how to resolve the alarm ALM-12018 Memory Usage Exceeds the Threshold?
Expand the system. 1.In the alarm list on FusionInsight Manager, locate the row that contains the alarm, and view the alarm host address in the alarm details. 2.Use PuTTY to log in to the host where the alarm is generated as user root. 3.Run the command free -m | grep Mem\: | awk '{printf("%s,", ($3-$6-$7) * 100 / $2)}' to check the system memory usage. 4.If the memory usage exceeds the threshold, perform memory capacity expansion. For details, see the FusionInsight HD Capacity Adjustment Guide. 5.Wait for 5 minutes, check whether the alarm is cleared. If yes, no further action is required. If no, go to Step 6.

In FusionInsight,how to resolve the alarm ALM-12027 Host PID Usage Exceeds the Threshold?
http://support.huawei.com/ehedex/pages/DOC1000113260YEF0811N/04/DOC1000113260YEF0811N/04/resources/alarm/ALM-12027.html?ft=0&id=aalm-12027

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