https://hadoop.apache.org/docs/r2.6.0/hadoop-project-dist/hadoop-hdfs/HDFSCommands.html#dfsadmin -metasave filename Save Namenode's primary data structures to filename in the directory specified by hadoop.log.dir property. filename is overwritten…
本文总结了Hadoop生态系统中各个组件使用的端口,包括了HDFS,Map Reduce,HBase,Hive,Spark,WebHCat,Impala,Alluxio,Sqoop等,后续会持续更新. HDFS Ports: Service Servers Default Ports Used Protocol Description Need End User Access? Configuration Parameters NameNode WebUI Master Nodes (NameN…