In FusionInsight,What time does ALM-12018 Memory Usage Exceeds the Threshold

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The system checks the memory usage of the system every 30 seconds and compares the actual memory usage with the threshold. The memory usage has a default threshold, this alarm is generated when the value of the memory usage exceeds the threshold.

Other related questions:
In FusionInsight,What is the impact on system of ALM-12018 Memory Usage Exceeds the Threshold
Service processes respond slowly or become unavailable.

In FusionInsight,What is the possible cause for ALM-12018 Memory Usage Exceeds the Threshold
1.Memory configuration cannot meet service requirements. The 2.memory 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,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 time does ALM-12027 Host PID Usage Exceeds the Threshold
The system checks the PID usage every 30 seconds and compares the actual PID usage with the default PID usage threshold. This alarm is generated when the system detects that the PID usage exceeds the threshold.

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