Hive性能分析和优化方法http://wenku.baidu.com/link?url=LVrnj-mD0OB69-eUH-0b2LGzc2SN76hjLVsGfCdYjV8ogyyN-BSja5x-oI674BweAafOt9-UfvlSNfeXfGKrpJOh-HXbu78Ei9CNBwZL4mG###