Which of the following are the optimization methods of Redis?

Which of the following are important roles of Spark? (Multiple choice)

LdapServerff? ?(group) is to unify usersgroup managementreason. likefruituserAdd to? ?middle.? ?middle? ?record.

Fusioninsight tool is a set of health detection tools for technical support engineers and maintenance engineers. It can check the health status of cluster-related nodes and services, discover potential problems in the cluster in advance, and generate health check reports. It is convenient for technical support engineers and maintenance engineers to quickly understand the health status of the system.

Which configuration is not supported by Fusioninsight Manager user rights management?