This paper includes the following parts : techniques used in the system, including XML language, Oracle partition table and RAC ( Real Application Clusters(RAC) ); the system requirement analysis, design and implement. 本文主要介绍了以下内容:目前主流的数据交换语言XML语言;提高数据库性能的表分区技术和真正应用集群技术;以及系统的需求分析、设计和实现。
Experimental results on the real application show that our optimization scheme on Heterogeneous Hadoop clusters can run computational tasks more efficiently. 实验证明优化后的Hadoop在异构集群中能够更加高效的运行计算任务。