Even though we had put the Cassandra away in all our products, we would like to share our works here.
Why we put away the Cassandra in our products? Because:
(1) It is a big wrong in Cassandra’s implementation, especially on it’s local storage engine layer, i.e. SSTable and Indexing.
(2) It is a big wrong to combine Bigtable and Dynamo. Dynamo’s hash ring architecture is a obsolete technolohy for scale, it’s consistency and replication policy is also unusable in big data storage.
Sunday, June 12, 2011
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