A challenge encountered by lots of organizations is keeping their data analytics platform or warehouse up to date with their Production data. It is time consuming having to refresh terabytes worth of data every day and it places an enormous burden on the available source systems such as Oracle.
On the other hand, GreenPlum is an assortment of individual databases that run on several servers, working together (via an Interconnect) on each task and presenting to the user a single database image. Compared to an Oracle database, GreenPlum offers several distinct advantages.
Here is an overview of some of the factors fueling the shift from Oracle to GreenPlum Replication include:
High Performance
Compared to Oracle, GreenPlum has the capacity to handle a high quality query with greater performance. Degradation is negligible even when it experiences an exponential rise of the user numbers and the work load, making it best when you have thousands of users. Compared to traditional RDBMS products, users on GreenPlum experience between 10 and 100 times better performance.
In case large amount of data in Oracle has to be created, it becomes necessary to first create small data mart to be used. The database of Oracle has not been designed for mass aggregations, attribute searches or comparisons, something which is achieved easily in GreenPlum database.
High Amount of Data and Lower Cost
GreenPlum Database analyzes, manages and stores data in Terabytes to Petabytes. This makes fetching complicated queries faster. An analytical platform total cost of ownership (TCO) is very high using an Oracle exadata. However, this is less expensive with a greenPlum analytical platform.
Anywhere Data Access
Anywhere data access makes it possible for queries to get executed from the GreenPlum database against multiple external data sources, thus returning data in parallel no matter the format, storage medium or location.
Highly Scalable and Availability
With GreenPlum, scale is no longer an issue. For more storage capacity and performance, it can also add servers while still online making it highly scalable. Compared to other database systems, GreenPlum system has less downtime.
Final Verdict
The GreenPlum Database is based on open the source database PostgreSQL foundations. It functions primarily as a warehouse for data. It makes use of a parallel shared-nothing processing MPP architecture where data is apportioned between several segment servers. Each of these segments manages and owns a distinct overall data portion; as such, there is no data contention among segments or disk-level sharing.
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