Форматирование Namenode в hadoop установке

Я дал путь и для каталога конфигурационных файлов и для .sh каталога файлов.

Мне удалось реализовать конфигурации с этим путем:

root@ratan-Inspiron-N5110:/home/hduser/hadoop/hadoop-2.4.0/etc/hadoop# gedit coresite.xml

<configuration>

<!-- In: conf/core-site.xml -->
<property>
  <name>hadoop.tmp.dir</name>
  <value>/home/hduser/tmp</value>
  <description>A base for other temporary directories.</description>
</property>

<property>
  <name>fs.default.name</name>
  <value>hdfs://localhost:54310</value>
  <description>The name of the default file system.  A URI whose
  scheme and authority determine the FileSystem implementation.  The
  uri's scheme determines the config property (fs.SCHEME.impl) naming
  the FileSystem implementation class.  The uri's authority is used to
  determine the host, port, etc. for a filesystem.</description>
</property>

</configuration>

root@ratan-Inspiron-N5110:/home/hduser/hadoop/hadoop-2.4.0/etc/hadoop# gedit mapred-site.xml

<configuration>

 <!-- In: conf/mapred-site.xml -->
<property>
  <name>mapred.job.tracker</name>
  <value>localhost:54311</value>
  <description>The host and port that the MapReduce job tracker runs
  at.  If "local", then jobs are run in-process as a single map
  and reduce task.
  </description>
</property>

</configuration>

root@ratan-Inspiron-N5110:/home/hduser/hadoop/hadoop-2.4.0/etc/hadoop# gedit hdfs-site.xml

<configuration>

 <!-- In: conf/hdfs-site.xml -->
<property>
  <name>dfs.replication</name>
  <value>1</value>
  <description>Default block replication.
  The actual number of replications can be specified when the file is created.
  The default is used if replication is not specified in create time.
  </description>
</property>

</configuration>

Мои детали каталога:

hduser@ratan-Inspiron-N5110:~/hadoop/hadoop-2.4.0/etc$ cd ./hadoop
hduser@ratan-Inspiron-N5110:~/hadoop/hadoop-2.4.0/etc/hadoop$ ls
capacity-scheduler.xml      hadoop-policy.xml        mapred-queues.xml.template
configuration.xsl           hdfs-site.xml            mapred-site.xml
container-executor.cfg      hdfs-site.xml~           mapred-site.xml~
core-site.xml               httpfs-env.sh            mapred-site.xml.template
core-site.xml~              httpfs-log4j.properties  slaves
hadoop-env.cmd              httpfs-signature.secret  ssl-client.xml.example
hadoop-env.sh               httpfs-site.xml          ssl-server.xml.example
hadoop-env.sh~              log4j.properties         yarn-env.cmd
hadoop-metrics2.properties  mapred-env.cmd           yarn-env.sh
hadoop-metrics.properties   mapred-env.sh            yarn-site.xml
hduser@ratan-Inspiron-N5110:~/hadoop/hadoop-2.4.0/etc/hadoop$ cd ..
hduser@ratan-Inspiron-N5110:~/hadoop/hadoop-2.4.0/etc$ ls
hadoop

hduser@ratan-Inspiron-N5110:~/hadoop/hadoop-2.4.0/etc$ cd ..
hduser@ratan-Inspiron-N5110:~/hadoop/hadoop-2.4.0$ ls
bin  etc  include  lib  libexec  LICENSE.txt  logs  NOTICE.txt  README.txt  sbin  share
hduser@ratan-Inspiron-N5110:~/hadoop/hadoop-2.4.0$ cd ./etc
hduser@ratan-Inspiron-N5110:~/hadoop/hadoop-2.4.0/etc$ ls
hadoop
hduser@ratan-Inspiron-N5110:~/hadoop/hadoop-2.4.0/etc$ cd ..
hduser@ratan-Inspiron-N5110:~/hadoop/hadoop-2.4.0$ cd ./sbin
hduser@ratan-Inspiron-N5110:~/hadoop/hadoop-2.4.0/sbin$ ls
distribute-exclude.sh  hdfs-config.sh           slaves.sh          start-dfs.cmd        start-yarn.sh     stop-dfs.cmd        stop-yarn.sh
hadoop-daemon.sh       httpfs.sh                start-all.cmd      start-dfs.sh  
       stop-all.cmd      stop-dfs.sh         yarn-daemon.sh
hadoop-daemons.sh      mr-jobhistory-daemon.sh  start-all.sh       start-secure-dns.sh  stop-all.sh       stop-secure-dns.sh  yarn-daemons.sh
hdfs-config.cmd        refresh-namenodes.sh     start-balancer.sh  start-yarn.cmd       stop-balancer.sh  stop-yarn.cmd

Когда я запускаю демонов:

hduser@ratan-Inspiron-N5110:~/hadoop/hadoop-2.4.0/sbin$ ls
distribute-exclude.sh    start-all.cmd        stop-all.sh
hadoop-daemon.sh         start-all.sh         stop-balancer.sh
hadoop-daemons.sh        start-balancer.sh    stop-dfs.cmd
hdfs-config.cmd          start-dfs.cmd        stop-dfs.sh
hdfs-config.sh           start-dfs.sh         stop-secure-dns.sh
httpfs.sh                start-secure-dns.sh  stop-yarn.cmd
mr-jobhistory-daemon.sh  start-yarn.cmd       stop-yarn.sh
refresh-namenodes.sh     start-yarn.sh        yarn-daemon.sh
slaves.sh                stop-all.cmd         yarn-daemons.sh
hduser@ratan-Inspiron-N5110:~/hadoop/hadoop-2.4.0/sbin$ ./start-all.sh
This script is Deprecated. Instead use start-dfs.sh and start-yarn.sh
Starting namenodes on [localhost]
localhost: starting namenode, logging to /home/hduser/hadoop/hadoop-2.4.0/logs/hadoop-hduser-namenode-ratan-Inspiron-N5110.out
localhost: starting datanode, logging to /home/hduser/hadoop/hadoop-2.4.0/logs/hadoop-hduser-datanode-ratan-Inspiron-N5110.out
Starting secondary namenodes [0.0.0.0]
0.0.0.0: starting secondarynamenode, logging to /home/hduser/hadoop/hadoop-2.4.0/logs/hadoop-hduser-secondarynamenode-ratan-Inspiron-N5110.out
starting yarn daemons
starting resourcemanager, logging to /home/hduser/hadoop/hadoop-2.4.0/logs/yarn-hduser-resourcemanager-ratan-Inspiron-N5110.out
localhost: starting nodemanager, logging to /home/hduser/hadoop/hadoop-2.4.0/logs/yarn-hduser-nodemanager-ratan-Inspiron-N5110.out
hduser@ratan-Inspiron-N5110:~/hadoop/hadoop-2.4.0/sbin$ jps

1441 DataNode
1608 SecondaryNameNode
1912 NodeManager
2448 Jps
1775 ResourceManager

hduser@ratan-Inspiron-N5110:~/hadoop/hadoop-2.4.0/sbin$ 

Проблема, я не могу найти namenode, который должен быть отформатирован. И когда я выполняю демонов, namenode нигде не виден. Где я иду не так, как надо?

1
задан 7 June 2014 в 09:53

2 ответа

Проверьте этот файл журнала:

hadoop-hduser-namenode-ratan-Inspiron-N5110.log

, Если это говорит, что namenode не отформатирован, отформатируйте его

bin/hadoop namenode - формат

3
ответ дан 11 November 2019 в 09:37

Проверьте, что Каталог хранилища существует или не, если да проверяют полномочия и форматируют namenode, чем restrt DFS. Это будет работать..

Спасибо

-1
ответ дан 11 November 2019 в 09:37

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