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With no limit on time and location [1], the number of users attracted by massive open online course (MOOC) has increased rapidly, and many platforms have been built to provide a variety of courses. All of these trigger an explosive growth in data volume. As we known, people have met big data in many areas and proposed many techniques and methods to deal with them. However, people still have no sense...
Because of its high IO performance, Solid State Drives (SSDs) are playing an important role in cloud storage services. However, its ten times price of Hard Disk Drives (HDDs) makes it unaffordable for most companies to replace all traditional HDD storage with high performance SSD storage. Hybrid storage becomes a trade-off solution between relatively high performance and acceptable cost. In this paper,...
Big data analysis has gained significant popularity within the last few years. The MapReduce framework presented by Google makes it easier to write applications that process vast amount of data. MapReduce targets at large commodity clusters where failures are not exceptions. However, Hadoop, the most popular implementation of MapReduce performs poorly under failures. Hadoop implements the fault tolerance...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.