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In the big data era, more and more enterprises use Hadoop distributed file system (HDFS) to provide the function of managing and storing big data for upper applications. However, the default three replicas strategy of HDFS brings tremendous storage cost for a data center, as the volume of big data is increasing especially when the cold data is also growing. On the other hand, in the heterogeneous...
With the advent of lead-free soldering electronic packaging industry, there are growing concerns regarding the problems of voids in lead-free solder joints. Many researchers are eager to understand the growth, evolution and control factors of bubbles. Due to the restrictions in test conditions imposed by high temperature and opacity of soldering, one cannot directly observe and analyze the behaviour...
With the advent of lead-free soldering electronic packaging industry, there are growing concerns regarding the problems of voids in lead-free solder joints. Many researchers are eager to understand the growth, evolution and control factors of bubbles. Due to the restrictions in test conditions imposed by high temperature and opacity of soldering, one cannot directly observe and analyze the behaviour...
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