Advantages And Disadvantages Of Data Storage

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Data Storage: Data storage is the 3rd phase in big data analytic. This stage provides the platform that manages all the assembled information in a way that it can be further analyzed and information can be retrieved. There are two features provided at this platform: The information gathered are infrequently accessed and cannot be modified further. The data gathered must be consistent and stable data. The control repository layer provides an interface for querying, analyzing a large amount of data. 2.1.1 Data storage components: The components of data storage environment are - hardware infrastructure and data management. Hardware infrastructure: It refers to the set of all the hardware and software component that are required…show more content…
ii ) large garbage collection due to static files. Alternatives such as HDFS and Kosmosfs are were discovered to overcome the disadvantages of GFS. Database technologies: Relational databses cannot process large amount of data. To overcome this disadvantage of RDBMS Nosql has been put into use because of its certain advantages: increased flexibility, scalability and customization. There are 3 types of Nosql databases: Key value stores: It has a hash table which consists of a primary key and a pointer to the particular data in the database. Amazon Dynamo is one of the most common key values for Nosql database. Column oriented databases: In this data is stored in column instead of rows.Examples of this databases are Google’s Big table. HBase and Cassandra are derived from big table. Document databases: It is more complex than key value stores. Document databases includes simpleDB, mongoDB and couchDB. Other Nosql and hybrid databases: Apart from the traditional databases and the Nosql databases various hybrid data stores have been introduced such as DEX, PNUTS and
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