关键词：MapReduce集群；蚁群优化算法；用户QoS；调度策略 [gap=1277]Key words：MapReduce cluster；ant colony optimization algorithm；users’QoS；scheduling strategy
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Is there any additional work being done to simplify the management of a cluster, the HDFS, MapReduce processes, etc.?
那么管理这样一个集群、HDFS以及MapReduce的处理还有什么额外的工作需要做吗？
The MapReduce reliability was severely tested once during a maintenance operation on one cluster with 1,800 servers.
MapReduce的可靠性曾经在一个由1800台服务器组成的集群进行维护时经受住了严格考验。
A cluster of processors running an open source implementation of Google's published computing infrastructure (MapReduce and GFS from Apache's Hadoop project).
一个处理器集群，运行的是Google的计算设施的一个开源实现(来自Apache Hadoop项目的MapReduce和GFS)。
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