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This post explains how to write a Oozie MapReduce action with Multiple Inputs and how each Inputs are configured to use different InputFormats and Mappers Lets […]
This post explains the fix when you see the below error when starting Datanode. 2013-12-14 23:39:09,354 ERROR org.apache.hadoop.hdfs.server.datanode.DataNode: java.io.IOException: Incompatible namespaceIDs in /tmp/hadoop-hadoop-user/dfs/data: namenode namespaceID […]
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