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In order to meet the requirements of the system running environments simulation for virtual machines' performance optimization and anomaly detection, an extensible tool named Characteristic Scenarios Simulator for Virtual Machine was developed base on the summarization and analysis of characteristic scenarios of virtual machines' running. The simulator takes an Analyser-Manager-Worker core architecture...
Gear wearing is the result of physical and chemical effect and it is also the ultimate reason of indirect condition information changes. On one hand, the condition information which can directly reflect the gear wear degree is difficult to measure. On the other hand, there is a mount of indirect condition information that is obtained by condition monitoring system which can reflect the health of gears...
With the development of the Internet and network services, broadband user behavior tends to diversify. It is a rising challenge for the network operators to understand network user behavior. In this paper, we use the Postgres to sort the data records which are caught and extracted from the network monitoring equipment. Then we analyze the characteristics of the data by SPSS, such as login time, logout...
As more and more grid applications are put into use, the performance information plays a more important role in evaluating the running status of the grid system. However, most existing monitoring tools only provide system-level performance data, which are often massive in storage and meanwhile contain either duplicate or missing, even erroneous raw data. In order to make the collected data more easily...
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