Re: Connection pooling.
От | Alfred Perlstein |
---|---|
Тема | Re: Connection pooling. |
Дата | |
Msg-id | 20000712000947.D25571@fw.wintelcom.net обсуждение исходный текст |
Ответ на | Re: Connection pooling. (Tom Lane <tgl@sss.pgh.pa.us>) |
Список | pgsql-hackers |
* Tom Lane <tgl@sss.pgh.pa.us> [000712 00:04] wrote: > Alfred Perlstein <bright@wintelcom.net> writes: > > * Tom Lane <tgl@sss.pgh.pa.us> [000711 22:53] wrote: > >> The killer problem here is that you can't hand off a connection > >> accepted by the postmaster to a backend except by fork() --- at least > >> not with methods that work on a wide variety of Unixen. > > > The code has been around since 4.2BSD, it takes a bit of #ifdef to > > get it right on all systems but it's not impossible, have a look at > > http://www.fhttpd.org/ for a web server that does this in a portable > > fashion. > > I looked at this to see if it would teach me something I didn't know. > It doesn't. It depends on sendmsg() which is a BSD-ism and not very > portable. It's also specified by Posix.1g if that means anything. -Alfred
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