We have 32GB RAM 16 vCPUs 64GB SWAP configured 3 node Greenplum 5.18 installed but it`s not behaving normal. We have multiple issues on it. Seems like it`s parameters are not configured as per best practices. We have data in 600+GB data and bulk write and read. Read is also max is on temp memory for sorting etc. Please suggest the entire variables as per the production environment .