Raghavendra Rao J S V wrote: > Is there any impact if "#wal_keep_segments = 0 " and "checkpoint_segments = 128" > postgresql.conf file. If yes,what is the imapct? Yes. - You will have fewer checkpoints requested by data modification activity. - Crash recovery might take longer. Yours, Laurenz Albe -- Cybertec | https://www.cybertec-postgresql.com