Used this query in each of the database::
SELECT t.relname, l.database, l.locktype, l.pid , l.mode, l.granted, p.current_query, p.query_start ,p.waiting
FROM pg_locks as l
INNER JOIN pg_stat_all_tables t
on l.relation = t.relid
INNER JOIN pg_stat_activity as p
on l.pid = p.procpid ;
No luck. At present, db is working, but t is going towards wraparound.