On Wednesday 20 August 2008, Oliver Welter wrote: > Hi All, > > I am running vserver on 32bit boxes for years now. I am know replacing > one group of nodes with nice Dual AMD Quad-Cores which run a 64bit > debian host OS. > > As I have to update the guests anyway (I used and will use gentoo for > them), so I am considering to move them to 64bit, too. The guests are > several LAMP servers, mysql and postgres and a set of qmail nodes. > > The only issue that is an obvious go for 64bit would be memory segments > >3GB, but I guess I wont have guests who use it. So, anybody here can > give pros and cons for 32/64 bit guests? > we have converted all our servers but one to 64bit with 64bit guests and a few 32bit that are needed and i have never looked back. we have a number of 64bit guests running proprietary 32bit apps and they work just fine. there can be a few considerations as brought up by cedric and martin in a few next msgs, but in general, i have never had a problem and the performance increase was noticable in every case. our customers even commented things seem faster and they did not even know of the changeover. the only issues i find with what i do/use with 64bit is with workstations and workstation-guests and 99.99% of those issues are flash and java related on firefox. other than that a 64bit guest workstation works just as well as my dedicated workstation. i am quite pleased with Gentoo's 64bit system and highly recommend it to anyone. we have a few redhat-clone 64bit guests that we need to use because the application requires them and won't even install otherwise, but as soon as i figure out all the install situations with this application, i am converting those over to gentoo as well. i find a noticable performance difference, probably due to the compiling of the o/s for the hardware rather than generic precompileds which have to run on multiple systems. i highly recommend going gentoo 64bit. > regards > > Oliver > -- > Protect your environment - close windows and adopt a penguin! > PGP-Key: 3B2C 8095 A7DF 8BB5 2CFF 8168 CAB7 B0DD 3985 1721 > -- Chuck