Re: TODO list
От | Andrew Dunstan |
---|---|
Тема | Re: TODO list |
Дата | |
Msg-id | 3FFB2E93.1050907@dunslane.net обсуждение исходный текст |
Ответ на | Re: TODO list (Jon Jensen <jon@endpoint.com>) |
Список | pgsql-hackers |
Jon Jensen wrote: >On Tue, 6 Jan 2004, Andrew Dunstan wrote: > > > >>>Also, I would like to see some kind of session identifier that is more >>>unique than pid, which wraps around. Ideally we could have 10{pid}, >>>then then the pid wraps around, 20{pid), or something like that. >>> >>> >>This requires some thought. ISTM it wouldn't buy you much unless you >>made it persistent across server restarts, and possibly not even then. >> >> > >And on OpenBSD (though no other platforms that I know of) the PID is a >random number, so there is no "wrapping" to begin with. > > > OK, so a sessionid based on prefix+pid won't work portably. If we *really* want to do it, a cluster-wide sequence generator would probably be the way to go, but I suspect that with the ability to log session termination explicitly (which I have already provided) much of the supposed extra utility would disappear anyway. cheers andrew
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