On Wed, May 30, 2012 at 3:04 AM, Raghavendra
<raghavendra.rao@enterprisedb.com> wrote:
>> > Since stopping or restarting the postgres servers would involve complete
>> > invalidation of the connection pool [Java/JEE app server pool] that may
>> > take
>> > a few minutes before the application becomes usable, it would be great
>> > if
>> > there is a way we can disable replication [for maintenance reasons like
>> > applying patches or upgrades, etc].
>>
>
> I think even applying patches or upgrades needs restart.
Yep.
>> 3. send SIGTERM signal to currently-running walsender process, e.g., by
>> "select pg_terminate_backend(pid) from pg_stat_replication".
>
>
> Will it be helpful here sending SIGINT instead of killing ?
No, walsender ignores SIGINT signal.
Regards,
--
Fujii Masao