On Fri, Dec 04, 2020 at 01:31:14PM +0530, aditya desai wrote: > Hi Justin, > Many thanks for your response. Please see my response below. > > What do you mean by API ? If it's a different client, how does it connect ? > Queries are getting called from Web UI built in Microservices spring boot. > It connected to Database with JDBC driver. Developers have handled > connection pooling at the Application side. > > What db driver ? > > Driver is JDBC I suspect JDBC is using parameterized queries (postgres $1, $2, ..) and psql isn't (unless you type "prepare p AS SELECT ..." and execute p(.., .., ..)" You can search and find other people who reported similar issues. https://www.postgresql.org/message-id/flat/A737B7A37273E048B164557ADEF4A58B50FB8D5E%40ntex2010i.host.magwien.gv.at https://www.postgresql.org/message-id/flat/20200504191201.GU28974%40telsasoft.com I don't know what server version you have, so I don't know whether to suggest testing with plan_cache_mode=force_custom_plan -- Justin
