rajan <vgmonnet(at)gmail(dot)com> writes:
> Can someone throw more light on a process - which might terminate or stop
> responding?
*You* are the one who needs to throw more light; this question is too
vague to be usefully answerable. What symptoms are you seeing exactly?
Have you looked into the system monitoring views (e.g. pg_locks) to
see if there are relevant entries?
https://wiki.postgresql.org/wiki/Guide_to_reporting_problems
regards, tom lane