Error: org.apache.mahout.math.CardinalityException: Required cardinali...
问题详情 在运行mahout中kmeans算法时,采取的是其默认输入路径/user/hadoop/testdata 和 默认输出路径/user/hadoop/output。 [hadoop@djt002 mahoutData]$ $HADOOP_HOME/bin/hadoop jar /usr/local/mahout/mahout-distribution-0.9/mahout-examples-0.9-job.jar org.apache.mahout.clustering.syntheticcontrol.kmeans.Job 当然,你也可以用自定义的输入路径 [hadoop@djt002 mahoutData]$ $HADOOP_HOME/bin/hadoop jar /usr/local/mahout/mahout-distribution-0.9/mahout-examples-0.9-job.jar org.apache.mahout.clustering.syntheticcontrol.kmeans.Job -i /user/hadoop/mahoutData/r...