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Spark A to Z

Spark A to Z Simplicity, Flexibility and Performance are the major advantages of using Spark . Criteria Hadoop MapReduce Apache Spark Memory  Does not leverage the memory of the hadoop cluster to maximum. Let's save data on memory with the use of RDD's. Disk usage MapReduce is disk oriented. Spark caches data in-memory and ensures low latency. Processing Only batch processing is supported Supports real-time processing through spark streaming. Installation Is bound to hadoop. Is not bound to Hadoop. ·  Spark is 100 times faster than Hadoop for big data processing as it stores the data in-memory, by placing it in Resilient Distributed Databases (RDD). ·  Spark is easier to program as it comes with an interactive mode. ·  It provides complete recovery using lineage graph whenever something goes wrong. high availability in Apache Spark ·  Implementing single node recovery with local file system ·  Using Sta...
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microsoft surface microsoft surface price With its Windows business facing increasing competition thanks to a dizzying array of consumer devices like Apple's iPhone and tablet computers running on Google's Android operating system,  Microsoft  is placing its bets on its own hardware and software with the "Surface". How can the software giant distinguish its yet-to-be-released  tablet computer ? Some analysts believe price could be the difference. "The company did not disclose any pricing details, but said that pricing will be competitive with a comparable ARM tablet and Intel Ultrabook," Deutsche Bank Securities analysts said in a research note last week. "However, we believe that with its own device and with control on pricing, MSFT will be able to better use price as a competitive differentiator." Nonetheless, if a recent report proves to be accurate, Microsoft's tablet computer -- particularly its higher-end version -- prob...
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