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.

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