On Tue, 2020-02-25 at 01:20 +0530, Mani Sankar wrote: > We have recently upgraded our postgres servers from 9.4 version to 11.5 version. Post upgrade we are see delay in authentication. > > Issue is when we are using ldaptls=1 the authentication takes 1 second or greater than that. But if I disable ldaptls it's getting authenticated within milliseconds. > > But in 9.4 even if I enable ldaptls it's getting authenticated within milliseconds any idea why we are facing the issue? I would use a packet sniffer like Wireshark to examine the message flow and see where the time is spent. Yours, Laurenz Albe -- Cybertec | https://www.cybertec-postgresql.com