Hi everybody, I have a couple of questions regarding the performance requirements for a 12TB Riak cluster, specifically:
1) I wonder if four servers, each one with the following spec, can handle it: 6 cores at 2.20GHz (15MB cache), 16GB of memory, and two 3TB HDD in a Raid 1 configuration. And if not, what would be the recommended number of machines we should provision. These machines are physical machines. We execute one or two M/R jobs per day, the scripts are written in Erlang. 2) Since we have two HDD per server in a Raid 1 configuration, I also wonder if we can safely set the replication factor to one, since the data is already stored twice: if we lose an HDD, we still got the data on the other one thanks to the Raid 1 conf. Thanks
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