If you're using "majority quorums" (the default in ZK), F=floor((n-1)/2). A quorum is any set containing a majority (or more) of servers. The basic requirement is that any two quorums must intersect.
On Wed, May 29, 2019 at 6:55 PM Patrick Hunt <[email protected]> wrote: > 2n+1 = ensemble size required to survive n failed zkservers (servers not in > the quorum) > > iow: 3 nodes means 1 zkserver can fail and the service is still up. 5 and > you can survive 2 failures. > > Patrick > > On Wed, May 29, 2019 at 4:43 PM Joel Mestres <[email protected]> > wrote: > > > Hello which is the relation between the number of F failling machines > that > > the cluster can tolerate and the quorum configuration? F determines the > > posibles numbers of quorums? or F can be greater / smaller than quorum ? > > thanks in advance for your response! > > > > -- > > > > > > The information contained in this e-mail may be confidential. It has been > > sent for the sole use of the intended recipient(s). If the reader of this > > message is not an intended recipient, you are hereby notified that any > > unauthorized review, use, disclosure, dissemination, distribution or > > copying of this communication, or any of its contents, is strictly > > prohibited. If you have received it by mistake please let us know by > > e-mail > > immediately and delete it from your system. Many thanks. > > > > > > > > La información > > contenida en este mensaje puede ser confidencial. Ha sido enviada para el > > uso exclusivo del destinatario(s) previsto. Si el lector de este mensaje > > no > > fuera el destinatario previsto, por el presente queda Ud. notificado que > > cualquier lectura, uso, publicación, diseminación, distribución o copiado > > de esta comunicación o su contenido está estrictamente prohibido. En caso > > de que Ud. hubiera recibido este mensaje por error le agradeceremos > > notificarnos por e-mail inmediatamente y eliminarlo de su sistema. Muchas > > gracias. > > > > >
