In FusionInsight,What time does ALM-12028 The number of processes that are in the D state on the host exceeds the threshold

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The system periodically checks the number of D state processes of user omm on the host every 30 seconds and compares the number with the threshold. The number of host D state processes has a default threshold.

Other related questions:
In FusionInsight,What is the impact on system of ALM-12028 The number of processes that are in the D state on the host exceeds the threshold
Excessive system resources are used and the service process responds slowly.

In FusionInsight,What is the possible cause for ALM-12028 The number of processes that are in the D state on the host exceeds the threshold
The host responds slowly to I/O (disk I/O and network I/O) requests and a process is in the D state.

In FusionInsight,how to resolve the alarm ALM-12028 The number of processes that are in the D state on the host exceeds the threshold?
http://support.huawei.com/ehedex/pages/DOC1000113260YEF0811N/04/DOC1000113260YEF0811N/04/resources/alarm/ALM-12028.html?ft=0&id=aalm-12028

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.

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.

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