Thanks Alan - those are my sentiments precisely. And that is what we have today (except that I don't know for a fact that the memory is ECC). But sometimes you have to take a bizarre idea and see if there's something in it. Like Escher is reputed to have said: "Only those who attempt the absurd will achieve the impossible".
Mvh./Best Regards Roger Evans, Autodata Norge A/S http://www.autodata.no +47 93 25 92 36 On Tue, 2012-10-30 at 10:41 +0000, Alan Cox wrote: > On Tue, 30 Oct 2012 11:01:59 +0200 > Roger Evans <[email protected]> wrote: > > > We are in the process of moving an apache webserver with windows to > > nginx on zLinux. > > > > We use Redis and Memcached already on intel castoff machines. > > Management is uncomfortable with this situation and wants us to get > > everything on 24/7 supported hardware. My plan was to buy a 1-u intel > > server with lots of memory and put both there. But our Z enthusiast > > says we can put Redis and memcache on Z-Linux (under VM) without any > > loss of functionality or performance (because we have extra capacity and > > "paging on Z doesn't cost anything"). > > The idea of memcached is to use vast quantities of cheap PC memory to > reduce latency to the very minimum. Putting it on Z seems bizarre given > its got fast I/O and very very expensive memory which are exactly what > memcached is not designed for. > > I'd have thought a pair of PC class boxes with ECC RAM would be a better > fit. > > Alan > > ---------------------------------------------------------------------- > For LINUX-390 subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO LINUX-390 or visit > http://www.marist.edu/htbin/wlvindex?LINUX-390 > ---------------------------------------------------------------------- > For more information on Linux on System z, visit > http://wiki.linuxvm.org/ ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 ---------------------------------------------------------------------- For more information on Linux on System z, visit http://wiki.linuxvm.org/
