AWS EMR 启动的机器都很贵,想在3台t2.micro上搭建一个hadoop集群,因为t2.micro 内存1GEach daemon in Hadoop listens to a different port. The most relevant ones are:ssh -i jameson-keypair.pem bitnami@13.59.230.131/opt/bitnami/hadoop/etc/hadoop/core-site.xml<value>hdfs://localhost:9000</value>/op...【阅读全文】
1、在做格式化时,/bin/hdfs namenode -format出错:ERROR namenode.NameNode: Failed to start namenode.java.lang.IllegalArgumentException: URI has an authority componentat java.base/java.io.File.(File.java:423)at org.apache.hadoop.hdfs.server.namenode.NNStorage.getStorageDirectory(NNStorage.j...【阅读全文】