Ozone作为Hadoop FileSystem的配置使用-白红宇

Ozone作为Hadoop FileSystem的配置使用

阅读量：397 次

发布时间：2019-03-05

本文共 1776 字，大约阅读时间需要 5 分钟。

Ozone FileSystem?Hadoop??????????

??Hadoop???????????Ozone?????K-V?????????????????????Hadoop??????Ozone???Hadoop???????HCFS????????????Job?Spark????FileSystem????????Ozone???K-V????????????????????Ozone??????????????Ozone FileSystem????????????

Ozone FileSystem??????????namespace???????bucket???????OzoneFileSystem???????bucket???????????????????Key????????

??????bucket?????Key??Value??????Key?

??????bucket?????Key??Value???Key?

??????????Key??????????testdir/????????testdir/testfile?

???????Ozone FileSystem???Hadoop FileSystem??????????????????????

???????????????????

??Hadoop????Hadoop-2.7???

??Hadoop???

??core-site.xml??????????


      
  
       
    
        
         fs.o3fs.impl
        
    
        
         org.apache.hadoop.fs.ozone.BasicOzoneFileSystem
        
  
       
  
       
    
        
         fs.AbstractFileSystem.o3fs.impl
        
    
        
         org.apache.hadoop.fs.ozone.OzFs
        
  
       
  
       
    
        
         fs.defaultFS
        
    
        
         o3fs://buckettest.volumetest

??hadoop-env.sh?????ClassPath???

export HADOOP_CLASSPATH=/home/hdfs/ozone/share/ozone/lib/hadoop-ozone-filesystem-lib-legacy-0.5.0-SNAPSHOT.jar:$HADOOP_CLASSPATH

???Ozone?????????volume?volumetest??bucket?buckettest?

?????????????

?????

hadoop fs -put testfile o3fs://buckettest.volumetest.lyq-m2-xx.xx.xx.xx/testdir/

?????

hadoop fs -mkdir o3fs://buckettest.volumetest.lyq-m2-xx.xx.xx.xx/testdir/subdir

?????

hadoop fs -mv o3fs://buckettest.volumetest.lyq-m2-xx.xx.xx.xx/testfile o3fs://buckettest.volumetest.lyq-m2-xx.xx.xx.xx/testfile2

hadoop fs -rm o3fs://buckettest.volumetest.lyq-m2-xx.xx.xx.xx/testfile2

???????Ozone FileSystem???????????????chown?setquota????????????

??????Ozone FileSystem???????????????????????????????

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