Considerations and workarounds

NFS client 4.1 is not supported

A file locking defect might exist in NFS 4.1 with RHEL/CentOS 7.4, which could cause zeneventserver to crash and other DFS-related problems. For more information, refer to topic "Configuring NFS 4.0" in the Control Center installation guide or upgrade guide, or knowledge base article Potential Issues Running With RHEL 7.4 Or CentOS 7.4.

CentralQuery maximum memory allocation pool

(ZEN-15907) The size of the CentralQuery maximum memory allocation pool is set by the RAMCommitment variable in the CentralQuery service definition. The default value is 1024MB. Do not change the value to anything less than 1024MB.