A.To reassign user privileges

B.To balance disk usage across segments

C.To upgrade all segment PostgreSQL instances

D.To recover failed segments from mirrors

A.Through the use of a standby master node

B.Through a distributed file system

C.By automatically restarting failed services

D.By replicating data across all segment nodes

A.Query resource usage like memory and CPU

B.Queries currently running or queued

C.Estimated query completion time

D.Number of table partitions created

A.gpperfmon

B.gptext

C.gprecoverseg

D.gpfdist

A.memory

B.parallel

C.isolation

D.serial