Hadoop架构
2020-12-04 本文已影响0人
诺之林
HDFS
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HDFS has a master/slave architecture
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An HDFS cluster consists of a single NameNode, a master server that manages the file system namespace and regulates access to files by clients
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There are a number of DataNodes, usually one per node in the cluster, which manage storage attached to the nodes that they run on
YARN
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