| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Tatsuo Ishii <ishii(at)postgresql(dot)org> |
| Cc: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Is LISTEN/NOTIFY reliable? |
| Date: | 2010-10-16 13:04:57 |
| Message-ID: | AANLkTinmP0sMVd2ErLdDba=1VftnvOcHYBE52tjxzdsB@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Sat, Oct 16, 2010 at 3:27 AM, Tatsuo Ishii <ishii(at)postgresql(dot)org> wrote:
> Does anybody know PostgreSQL LISTEN/NOTIFY is more reliable than
> previous versions? I vaguely recall that in the previous
> implementation, message sent by NOTIFY may not be reached to listner.
> Does PostgreSQL 9.0's new implementation guarantee that the message is
> received by the listener?
I think it was always intended to be reliable (otherwise it's not much
good). I think I remember a bug where notifications were being lost
on Windows under heavy load, but I thought we fixed that...
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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