International Journal of Advanced Research in Computer Science and Software Engineering (IJARCSSE)
Users are at the beginning of a big data era when data is generated at an incredible speed from everywhere. Computing has become global, number of devices like cell phones, smart phones, laptops and personal sensors are creating countless new digital oceans of information. A few years ago they talked about data storage in megabytes and gigabytes but now-a-days huge amount of data found on internet which is close to 500 billion gigabytes. According to IBM 2.5 quintillion bytes of data are generated daily.