Key-Value Store Features

Key-Value Store Features

1. Consistency

   • Application on a single key
     • GET
     • DELETE
     • PUT
   • Distributed key-value
     • Eventually consistent model
     • Configuration
       • Bucket creation
         • Establishing parameters

2. Transactions

   • Use of Quorums
     • Writing
       • Nodes report success

3. Query features

   • Query by key
     • Exception
       • Riak Search
         • Query the data
   • Riak
     • HTTP-based interface
       • Web browser
       • Command line

4. Scaling

   • Sharding
     • Key
       • Contains key location
     • More nodes
       • Performance
     • Problems
       • Unavailable node
         • Unaccessible data content
         • Not authorized to use the key

5. Data structures

   • Value
     • Unknown data type
       • Blob
       • Text
       • JSON
       • XML