I was planning to manage 3 real servers behind ZLB and 600 concurrent petitions...
not necessary 8 cpu's? When cpu is 100% can't access machine, so can't type "top" Jaume Ponsa Sistemes i Xarxes Inf. Calidae, S.L. [www.calidae.net] - [email protected] tel +34 938654433 fax +34 938651973 El 08/02/12 13:27, David Martin (IT) escribió: > Is there a performance reason why you have 8 vCPUs assigned to the VM? > Unless you are planning an absolutely massive load-balance pool that can > actually use this arrangement you should drop this considerably > according to VMWare best practice. > > My understanding is that, every time you introduce another vCPU, the > overhead for context-switches, register flushes, synchronisation and the > like increases considerably, especially when you are spreading the vCPUs > across different dies. > > Unless you have applications that absolutely have to have access to the > CPU power, you really want to cut the cores to the bare minimum. Try > starting with 1vCPU and 4GB RAM and work your way up until you start to > hit performance limits. > > Also, when you are seeing 100% CPU usage, what does the output of the > "Top" command show? > > Regards > > David > > > -----Original Message----- > From: Jaume Ponsa [mailto:[email protected]] > Sent: 08 February 2012 10:28 > To: '[email protected]' > Subject: [Zenloadbalancer-support] question > > Hello all... I have one testing v2RC1 installation on a vmware virtual > machine. > > I have no more traffic (only tests) and I don't know why, 2 times, > system hangs ..... the reason is cpu becomes 100% usage and system > becomes unusable.... can anyone help me pleas? > > I don't think will be a hardware problem, because i have other machines > running perfectly, and for this Zen machine I reserved 4Gb RAM and 8 CPU > Xeon E5620 > > I installed ther kernel 2.6.32-5-686-bigmem to allow more than 4Gb RAM > (in future I'll assign 16Gb ). May be have to install > linux-image-2.6.32-5-vserver-686-bigmem kernel??? > > Thanks > > -- > Jaume > > > ------------------------------------------------------------------------ > ------ > Keep Your Developer Skills Current with LearnDevNow! > The most comprehensive online learning library for Microsoft developers > is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, > Metro Style Apps, more. Free future releases when you subscribe now! > http://p.sf.net/sfu/learndevnow-d2d > _______________________________________________ > Zenloadbalancer-support mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/zenloadbalancer-support > > Johnston Press plc Registered in Scotland no. SC015382 > Registered Office:108 Holyrood Road, Edinburgh, EH8 8AS > > Opinions expressed in this email are those of the writer and not the company. > E-mail traffic is monitored within Johnston Press and messages may be viewed. > This e-mail and any files with it are solely for the use of the addressee(s). > If you are not the intended recipient, you have received this e-mail in error. > Please delete it or return it to the sender or notify us by email at > [email protected] > > > > ------------------------------------------------------------------------------ > Keep Your Developer Skills Current with LearnDevNow! > The most comprehensive online learning library for Microsoft developers > is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, > Metro Style Apps, more. Free future releases when you subscribe now! > http://p.sf.net/sfu/learndevnow-d2d > _______________________________________________ > Zenloadbalancer-support mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/zenloadbalancer-support ------------------------------------------------------------------------------ Keep Your Developer Skills Current with LearnDevNow! The most comprehensive online learning library for Microsoft developers is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, Metro Style Apps, more. Free future releases when you subscribe now! http://p.sf.net/sfu/learndevnow-d2d _______________________________________________ Zenloadbalancer-support mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/zenloadbalancer-support
