It is not really a question of saving 55$ per disk - I'm wondering if such Riak cluster setup is feasible.
On Thu, Mar 7, 2013 at 10:14 PM, Wes James <[email protected]> wrote: > You can get crucial m4 512 for $395 on amazon.com. ocz are $450. > > > http://www.amazon.com/Crucial-512GB-2-5-Inch-Solid-CT512M4SSD2/dp/B004W2JL3Y > > I don't know if you can get these out of the USA or not (you are out of > USA right?) > > wes > > > On Thu, Mar 7, 2013 at 1:38 PM, Paul Peregud <[email protected]>wrote: > >> My first post to the list. >> >> I want to store 20M of bounded FIFO queues (each queue has at most 50 >> items, 1KB each). Distribution: 80% of updates at 20% of queues. >> >> Insertion rate: at most 5K per second, random; 50M per day. >> Reading rate: at most 10K per second, each read reads all 50 items. >> Once inserted items are not updated. Oldest at each queue is discarded so >> that queue length <= 50. >> >> How much hardware I might need? From my calculations I need at least 1000 >> HDDs assuming that seek time is at 7ms (high end). And that is unreal >> number. >> >> For this type of load (small random reads/writes) SSD seems to be a >> perfect match. >> >> I'm looking at the following configuration: >> 5 of OCZ 512GB Vertex 4 drives at 5 64GB RAM boxes. >> Riak cluster with N=3. >> >> I'm going for cheaper drives because I assume that Riak will allow me to >> replace a node if one of disks suddenly dies. >> >> How crazy is this configuration? >> >> -- >> Best regards, >> Paul Peregud >> +48602112091 >> >> _______________________________________________ >> riak-users mailing list >> [email protected] >> http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com >> >> > -- Best regards, Paul Peregud +48602112091
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