Docker 错误:无法设置journalnode进程6520的优先级
我有三个安装了docker的物理节点。我在这些节点中配置了高可用性hadoop集群。配置如下: Core-site.xml:Docker 错误:无法设置journalnode进程6520的优先级,docker,hadoop,Docker,Hadoop,我有三个安装了docker的物理节点。我在这些节点中配置了高可用性hadoop集群。配置如下: Core-site.xml: <property> <name>fs.defaultFS</name> <value>hdfs://mycluster</value> </property> <property> <name>dfs.journalnode.edits
<property>
<name>fs.defaultFS</name>
<value>hdfs://mycluster</value>
</property>
<property>
<name>dfs.journalnode.edits.dir</name>
<value>/tmp/hadoop/dfs/jn</value>
</property>
<property>
<name>fs.default.name</name>
<value>hdfs://mycluster</value>
</property>
<property>
<name>ha.zookeeper.quorum</name>
<value>10.32.0.1:2181,10.32.0.2:2181,10.32.0.3:2181</value>
</property>
<property>
<name>dfs.nameservices</name>
<value>mycluster</value>
</property>
<property>
<name>dfs.ha.namenodes.mycluster</name>
<value>nn1,nn2</value>
</property>
<property>
<name>dfs.namenode.rpc-address.mycluster.nn1</name>
<value>10.32.0.1:8020</value>
</property>
<property>
<name>dfs.namenode.rpc-address.mycluster.nn2</name>
<value>10.32.0.2:8020</value>
</property>
<property>
<name>dfs.namenode.http-address.mycluster.nn1</name>
<value>10.32.0.1:50070</value>
</property>
<property>
<name>dfs.namenode.http-address.mycluster.nn2</name>
<value>10.32.0.2:50070</value>
</property>
<property>
<name>dfs.client.failover.proxy.provider.mycluster</name>
<value>org.apache.hadoop.hdfs.server.namenode.
ha.ConfiguredFailoverProxyProvider</value>
</property>
<property>
<name>dfs.namenode.shared.edits.dir</name>
<value>qjournal://
10.32.0.1:8485;10.32.0.2:8485;10.32.0.3:8485/mycluster</value>
</property>
<property>
<name>dfs.permissions.enable</name>
<value> false </value>
</property>
<property>
<name>dfs.ha.fencing.methods</name>
<value>sshfence</value>
</property>
<property>
<name>dfs.ha.fencing.ssh.private-key-files</name>
<value>/home/hdfs/.ssh/id_rsa</value>
</property>
<property>
<name>dfs.ha.fencing.ssh.connect-timeout</name>
<value>30000</value>
</property>
<property>
<name>dfs.permissions.superusergroup</name>
<value>hdfs</value>
</property>
<property>
<name>dfs.replication</name>
<value>1</value>
</property>
<property>
<name>dfs.namenode.name.dir</name>
<value>file:///usr/local/hadoop_store/hdfs/namenode</value>
</property>
<property>
<name>dfs.datanode.data.dir</name>
<value>file:///usr/local/hadoop_store/hdfs/datanode</value>
</property>
<property>
<name>dfs.namenode.datanode.registration.ip-hostname-
check</name>
<value>false</value>
</property>
<property>
<name>dfs.ha.automatic-failover.enabled</name>
<value>true</value>
</property>
我收到这个错误:
错误:无法设置journalnode进程6520的优先级
你能告诉我我的配置有什么问题吗
提前谢谢。问题已解决。我检查了登录/opt/hadoop/logs/*.log,看到这一行: 无法创建/tmp/hadoop/dfs/journalnode的目录 首先,我将日志节点目录的配置放到hdfs site.xml中,并创建了日志节点目录。然后我再次启动日志节点,我遇到了以下错误: 目录不可写。因此,我运行了以下命令以使目录可写: 然后我可以启动日志节点
sudo /opt/hadoop/bin/hdfs --daemon start journalnode
chmod 777 /tmp/hadoop/dfs/journalnode
chown -R root /tmp/hadoop/dfs/journalnode