On Thu, Apr 19, 2012 at 9:38 PM, Romain HARDOUIN <romain.hardo...@urssaf.fr>wrote:
> > Cassandra supports data compression and depending on your data, you can > gain a reduction in data size up to 4x. > The data is gzip'd already ;-) > 600 TB is a lot, hence requires lots of servers... > > > Franc Carter <franc.car...@sirca.org.au> a écrit sur 19/04/2012 13:12:19 : > > > Hi, > > > > One of the projects I am working on is going to need to store about > > 200TB of data - generally in manageable binary chunks. However, > > after doing some rough calculations based on rules of thumb I have > > seen for how much storage should be on each node I'm worried. > > > > 200TB with RF=3 is 600TB = 600,000GB > > Which is 1000 nodes at 600GB per node > > > > I'm hoping I've missed something as 1000 nodes is not viable for us. > > > > cheers > > > > -- > > Franc Carter | Systems architect | Sirca Ltd > > franc.car...@sirca.org.au | www.sirca.org.au > > Tel: +61 2 9236 9118 > > Level 9, 80 Clarence St, Sydney NSW 2000 > > PO Box H58, Australia Square, Sydney NSW 1215 -- *Franc Carter* | Systems architect | Sirca Ltd <marc.zianideferra...@sirca.org.au> franc.car...@sirca.org.au | www.sirca.org.au Tel: +61 2 9236 9118 Level 9, 80 Clarence St, Sydney NSW 2000 PO Box H58, Australia Square, Sydney NSW 1215
