From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | Fujii Masao <masao(dot)fujii(at)gmail(dot)com> |
Cc: | jcasanov(at)systemguards(dot)com(dot)ec, pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: Revised signal multiplexer patch |
Date: | 2009-07-31 17:40:23 |
Message-ID: | 24211.1249062023@sss.pgh.pa.us |
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Lists: | pgsql-hackers |
Fujii Masao <masao(dot)fujii(at)gmail(dot)com> writes:
> But there is one issue; the extra search is always required to send a notify
> interrupt. This is because pg_listener doesn't have a backend ID and we
> cannot pass it to SendProcSignal. In order to solve this issue, we should
> newly add backend ID field into pg_listener?
Hmm. I'm not tremendously concerned about that --- the LISTEN/NOTIFY
code has been on the agenda for a complete rewrite for a long time now,
and I keep hoping pg_listener will go away entirely sometime soon.
I don't feel a need to go and fix a marginal performance issue there.
regards, tom lane
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