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SubjectRe: State of the new config & build system
Larry McVoy writes:
> On Fri, Dec 28, 2001 at 08:42:44PM +1100, Keith Owens wrote:
> > "All" I need to do is have one server process that reads the big list
> > once and the other client processes talk to the server. Much less data
> > involved means faster conversion from absolute to standardized names.
> Actually, if you use the mdbm code, you can have a server process which
> reads the data, stashes it in the db, touchs ./i_am_done, and exits.
> "client" processes do a
> while (!exists("i_am_done")) usleep(100000);
> m = mdbm_open("db", O_RDONLY, 0, 0);
> val = mdbm_fetch_str(m, "key");
> etc.
> No sockets, no back and forth, runs at mmap speed.

That sounds like a better approach. I got a bit nervous when Keith
talked about a "server process". Made me think I'm going to have to
install some daemon, or I'm going to have a pile of background
processes being left behind (no matter how careful you are, you always
end up with some "leakage" of stale processes).


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