I understand. I was just suggesting different hardware. That's all. wes
On Thu, Mar 7, 2013 at 2:20 PM, Paul Peregud <paulpere...@gmail.com> wrote: > 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 <compte...@gmail.com> 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 <paulpere...@gmail.com>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 >>> riak-users@lists.basho.com >>> http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com >>> >>> >> > > > -- > Best regards, > Paul Peregud > +48602112091 >
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