Secondary Node Eviction Rate
It specifies the number of nodes that pods are deleted from per second in a cluster when the AZ is unhealthy. The default value is 0.01, indicating that pods can be evicted from at most one node every 100 seconds. In small-scale clusters (with 50 nodes or fewer in the AZ), the value of this parameter is implicitly reset to 0.
Value Range
Greater than 0 and less than 1
Default Value
0.01
Modifiable
Yes
Scope
CCE standard and CCE Turbo clusters
Suggestions
Unless otherwise specified, keep the default settings.

There is no need to set the parameter to a large value for nodes in the sub-healthy AZs, and this configuration may result in the overloaded clusters.
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