hadoop2.7.1怎么配置secondarynamenode
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解决时间 2021-02-23 22:22
- 提问者网友:玫瑰园
- 2021-02-23 04:53
hadoop2.7.1怎么配置secondarynamenode
最佳答案
- 五星知识达人网友:人间朝暮
- 2021-02-23 05:09
1.conf/core-site.xml:
hadoop.tmp.dir
/home/hadoop/hadooptmp
A base for other temporary directories.
fs.default.name
hdfs://master:9000
2.conf/hadoop-env.sh:
export JAVA_HOME=/home/hadoop/jdk1.x.x_xx
3. conf/hdfs-site.xml:
dfs.replication
2
dfs.data.dir
/home/hadoop/hadoopfs/data
dfs.http.address
master:50070
dfs.back.http.address
node1:50070
dfs.name.dir
/home/hadoop/hadoopfs/name
fs.checkpoint.dir
/home/hadoop/hadoopcheckpoint
dfs.permissions
false
4.conf/mapred-site.xml:
mapred.job.tracker
master:9001
mapred.tasktracker.map.tasks.maximum
4
mapred.tasktracker.reduce.tasks.maximum
4
mapred.child.java.opts
-Xmx1000m
5. conf/masters:
master
6.conf/secondarynamenode(此为新建的文件)
node1
7. conf/slaves:
node2
node3
node4
8.bin/start-dfs.sh:
"$bin"/hadoop-daemon.sh --config $HADOOP_CONF_DIR start namenode $nameStartOpt
"$bin"/hadoop-daemons.sh --config $HADOOP_CONF_DIR start datanode $dataStartOpt
"$bin"/hadoop-daemons.sh --config $HADOOP_CONF_DIR --hosts secondarynamenode start secondarynamenode
9.bin/stop-dfs.sh:
"$bin"/hadoop-daemon.sh --config $HADOOP_CONF_DIR stop namenode $nameStartOpt
"$bin"/hadoop-daemons.sh --config $HADOOP_CONF_DIR stop datanode $dataStartOpt
"$bin"/hadoop-daemons.sh --config $HADOOP_CONF_DIR --hosts secondarynamenode stop secondarynamenode
2.conf/hadoop-env.sh:
export JAVA_HOME=/home/hadoop/jdk1.x.x_xx
3. conf/hdfs-site.xml:
4.conf/mapred-site.xml:
5. conf/masters:
master
6.conf/secondarynamenode(此为新建的文件)
node1
7. conf/slaves:
node2
node3
node4
8.bin/start-dfs.sh:
"$bin"/hadoop-daemon.sh --config $HADOOP_CONF_DIR start namenode $nameStartOpt
"$bin"/hadoop-daemons.sh --config $HADOOP_CONF_DIR start datanode $dataStartOpt
"$bin"/hadoop-daemons.sh --config $HADOOP_CONF_DIR --hosts secondarynamenode start secondarynamenode
9.bin/stop-dfs.sh:
"$bin"/hadoop-daemon.sh --config $HADOOP_CONF_DIR stop namenode $nameStartOpt
"$bin"/hadoop-daemons.sh --config $HADOOP_CONF_DIR stop datanode $dataStartOpt
"$bin"/hadoop-daemons.sh --config $HADOOP_CONF_DIR --hosts secondarynamenode stop secondarynamenode
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