Re: NET or CPU VP and how many?
Posted in 2010
On 28 Apr, 21:09, Frank Langelage <fr...@lafr.de> wrote: > IBM recommends to use NET VPs for onsoctcp/ontlitcp and CPU VPs for > onipcshm. So does Art. > But what about onipcstr on Unix? > > The recommendation is not platform specific, so the use of NET VPs for > network connections is probably true for Unix and Windows. > What about onipcnmp on Windows? > > From what I read, a NET VP for TCP/IP can handle up to 300 connections > performant. > For shared memory connects the advice was to configure as many as CPU > processors. > Depending on the answers to the questions above, how many processors for > the pipe connections should be configured? > > Regards, Frank I assume the OS calls for this onipcstr/onipcnmp can block hence use NET VPs. However if you have a lot of data transfers back to the client and hence blocking will be of short duration and the overhead of a context switch back to the cpu vp will be significant then use CPU VPs.