Shalini wrote: > > Is there a workaround to this concurrency issue without creating a > > new large object? The transaction failing with the "Tuple concurrently updated" error could be resubmitted by the client, as if it was a serialization failure. Or the failure could be prevented by using advisory locks: https://www.postgresql.org/docs/current/explicit-locking.html Best regards, -- Daniel Vérité PostgreSQL-powered mailer: http://www.manitou-mail.org Twitter: @DanielVerite