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>Can someone give me some advices? > >Thanks! > >---------- Forwarded message ---------- >From: Chen Xinli <chen.d...@gmail.com> >Date: 2010/7/19 >Subject: goods search with cassandra >To: u...@cassandra.apache.org > > >Hi, > >I want to implement goods search with cassandra; and I have some confusings. >Can someone help me out? > >The case is that: >There are about 1 million shops, every shop with about 10,000 goods, every >goods with property like "title", "price" etc.. >The search is like "give me 10 goods in a specific shop and the price of the >goods should be less than 10$" > >For the data model, I use shop name as the key; goods id as the column name >and "title", "price" are special encoded as column value . >There are too many goods in one shop, filtering the data in thrift client is >impossible for network transferring reason. >I want to implement a special ColumnValueFilter extends QueryFilter to get >the result in "local". >Is this the best way? > > >Insertion of goods is about 100/second for the whole cluster, so a thrift >client for insertion is ok. >For reads, latency and qps are important and I must provide a http service >for user searching. >Embedding a thrift client in such a service will involve another network >transferring, so I want to build the service on top of cassandra directly. >I reviewed the code of ClientOnlyExample.java. >What makes me confusing is that: insertion through thrift client and reading >through using cassandra directly, is data consistency promised and how? > >Any help is appreciated. Thanks! > >-- >Best Regards, >Chen Xinli > > > >-- >Best Regards, >Chen Xinli
