[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fJzl39zqrQq3e2dfrToEcZzW0bxEcIdZUxESNKntBwyg":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":11,"question":18,"related":19,"source":30,"type":31},[],"2025-01-06 16:12:17",176641722,[8,9,10],"split&lt;block","split=block","split&gt;block",{"count":12,"courseId":13,"courseImg":14,"courseName":15,"workId":16,"workName":17},27,"8ff290daf91f545efa00d047d43314b4","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F79ef4765837ccedbc6c3cfe59bda3fa6.png","大数据平台与编程实践(Hadoop)","work_38821468","","以下哪种配置会导致&quot;数据向计算移动&quot;的情况?",[20,32,41,44,53,62,71,80,89,98],{"answer":21,"createTime":22,"id":23,"options":24,"question":29,"source":30,"type":31},[],"2025-01-06 16:12:16",176641715,[25,26,27,28],"String","Text","int","float","以下哪个是MapReduce的数据类型?","v1",1,{"answer":33,"createTime":22,"id":34,"options":35,"question":40,"source":30,"type":31},[],176641719,[36,37,38,39],"MapTask","ReduceTask","Client","ResourceManager","MapReduce负责生成切片计划的角色是( )?",{"answer":42,"createTime":5,"id":6,"options":43,"question":18,"source":30,"type":31},[],[8,9,10],{"answer":45,"createTime":5,"id":46,"options":47,"question":52,"source":30,"type":31},[],176641724,[48,49,50,51],"1","2","3","4","Shuffle过程至少进行几次排序?",{"answer":54,"createTime":5,"id":55,"options":56,"question":61,"source":30,"type":31},[],176641726,[57,58,59,60],"CPU","内存","网络带宽","磁盘IO","MapReduce主要的性能瓶颈是什么?",{"answer":63,"createTime":5,"id":64,"options":65,"question":70,"source":30,"type":31},[],176641728,[66,67,68,69],"block数量","split大小","集群节点数量","分区数","在MapReduce过程中,MapTask并行度与下面哪个因素直接相关?",{"answer":72,"createTime":5,"id":73,"options":74,"question":79,"source":30,"type":31},[],176641730,[75,76,77,78],"TextInputFormat","Partitioner","Mapper","Combiner","以下哪个组件负责将输入数据集格式化成键-值对(Key-Value Pairs),其中值(Value)为每一行内容,键(Key)为字节偏移量",{"answer":81,"createTime":5,"id":82,"options":83,"question":88,"source":30,"type":31},[],176641732,[84,85,86,87],"1:1","1:N","N:1","N:M","在MapTask中Shuffle的数据分区数量(numPartitions)与ReduceTasks的数量关系是( )?",{"answer":90,"createTime":5,"id":91,"options":92,"question":97,"source":30,"type":31},[],176641734,[93,94,95,96],"group : partition = 1:N","group : partition = N:1","map : reduce = 1:N","map : reduce = N:1","以下哪个设置可能会导致某些ReduceTask没有数据处理?",{"answer":99,"createTime":5,"id":100,"options":101,"question":106,"source":30,"type":31},[],176641736,[102,103,104,105],"80MB","100MB","200MB","1024MB","环形缓冲区默认大小为( )"]