367 nodes sounded quite high for that amount of data per day. You might need 367 disks, but do your nodes have more than one disk?
You may also take into account the compression factor that you are likely to use for the data on the cluster. Oner 9 Tem 2014 19:00 tarihinde "YIMEN YIMGA Gael" <gael.yimen-yi...@sgcib.com> yazdı: > Hello Dear, > > > > I made an estimation of a number of nodes of a cluster that can be > supplied by 720GB of data/day. > > My estimation gave me *367 datanodes* in a year. I’m a bit afraid by that > amount of datanodes. > > The assumptions, I used are the followings : > > > > - Daily supply (feed) : 720GB > > - HDFS replication factor: 3 > > - Booked space for each disk outside HDFS: 30% > > - Size of a disk: 3TB. > > > > I have two questions. > > > > First, I would like to know if my assumptions are well taken? > > Secondly, could someone help me to evaluate that cluster, to let me be > sure that my results are not to excessive, please ? > > > > Standing by for your feedback > > > > Warm regard > > ************************************************************************* > This message and any attachments (the "message") are confidential, > intended solely for the addressee(s), and may contain legally privileged > information. > Any unauthorised use or dissemination is prohibited. E-mails are > susceptible to alteration. > Neither SOCIETE GENERALE nor any of its subsidiaries or affiliates shall > be liable for the message if altered, changed or > falsified. > Please visit http://swapdisclosure.sgcib.com for important information > with respect to derivative products. > ************ > Ce message et toutes les pieces jointes (ci-apres le "message") sont > confidentiels et susceptibles de contenir des informations couvertes > par le secret professionnel. > Ce message est etabli a l'intention exclusive de ses destinataires. Toute > utilisation ou diffusion non autorisee est interdite. > Tout message electronique est susceptible d'alteration. > La SOCIETE GENERALE et ses filiales declinent toute responsabilite au > titre de ce message s'il a ete altere, deforme ou falsifie. > Veuillez consulter le site http://swapdisclosure.sgcib.com afin de > recueillir d'importantes informations sur les produits derives. > ************************************************************************* >
