17 Sep
2008
17 Sep
'08
6:37 p.m.
Jonathan Cast ha scritto:
[...]
Huh. I see multi-threading as a workaround for expensive processes, which can explicitly use shared memory when that makes sense.
That breaks down when you want 1000s of threads. I'm not aware of any program, on any system, that spawns a new process on each event it wants to handle concurrently;
thttpd spawn a new process for every CGI request or directory listing. Many "old" server don't use a prefork model. Another interesting example for bad threads usage is Azureus (a BitTorrent client written in Java): it creates about 70 threads for who know what reasons (and it also allocate about one half of available virtual memory).
[...]
Manlio Perillo