On Wed, 2024-11-06 at 22:43 +0530, Ramakrishna m wrote: > One of the queries, which retrieves a single record from a table with 16 hash partitions, > is taking more than 10 seconds to execute. In contrast, when we run the same query manually, > it completes within milliseconds. If I read your file right, the slow execution has an additional "LIMIT 55". That can make a difference. In general, you can use auto_explain to get the execution plan of the slow query. Yours, Laurenz Albe