Cassandra supports data compression and depending on your data, you can gain a reduction in data size up to 4x. 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
