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常用文件路径

最近更新时间2022.05.18 15:11:29

首次发布时间2022.05.18 15:11:29

本文为您介绍E-MapReduce中常用文件的路径。您可以登录Master节点查看常用文件的安装路径。

大数据组件目录

软件安装目录在/usr/lib/xxx下,例如:

  • Hadoop:/usr/lib/hadoop-current

  • Spark :/usr/lib/spark-current

  • Hive:/usr/lib/hive-current

  • Flink:/usr/lib/flink-current

  • Flume:/usr/lib/flume-current

您也可以通过登录Master节点,执行env |grep xxx命令查看软件的安装目录。 例如,执行以下命令,查看Hadoop的安装目录。

env |grep hadoop

返回如下信息,其中/usr/lib/hadoop-current为Hadoop的安装目录。

HADOOP_LOG_DIR=/var/log/hadoop-hdfs
HADOOP_HOME=/usr/lib/hadoop-current
YARN_PID_DIR=/usr/lib/hadoop-current/pids
HADOOP_PID_DIR=/usr/lib/hadoop-current/pids
HADOOP_MAPRED_PID_DIR=/usr/lib/hadoop-current/pids
JAVA_LIBRARY_PATH=/usr/lib/hadoop-current/lib/native:
PATH=/usr/lib/sqoop-current/bin:/usr/lib/spark-current/bin:/usr/lib/hive-current/hcatalog/bin:/usr/lib/hive-current/bin:/usr/lib/datafactory-current/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/usr/lib/b2monitor-current//bin:/usr/lib/b2smartdata-current//bin:/usr/lib/b2jindosdk-current//bin:/usr/lib/flow-agent-current/bin:/usr/lib/hadoop-current/bin:/usr/lib/hadoop-current/sbin:/usr/lib/hadoop-current/bin:/usr/lib/hadoop-current/sbin:/root/bin
HADOOP_CLASSPATH=/usr/lib/hadoop-current/lib/*:/usr/lib/tez-current/*:/usr/lib/tez-current/lib/*:/etc/ecm/tez-conf:/opt/apps/extra-jars/*:/usr/lib/spark-current/yarn/spark-2.4.5-yarn-shuffle.jar
HADOOP_CONF_DIR=/etc/ecm/hadoop-conf
YARN_LOG_DIR=/var/log/hadoop-yarn
HADOOP_MAPRED_LOG_DIR=/var/log/hadoop-mapred

日志目录

组件日志目录在/mnt/disk1/log/xxx下,例如:

  • Yarn ResourceManager日志:Master节点/mnt/disk1/log/hadoop-yarn

  • Yarn NodeNanager日志:Slave节点/mnt/disk1/log/hadoop-yarn

  • HDFS NameNode日志:Master节点/mnt/disk1/log/hadoop-hdfs

  • HDFS DataNode日志:Slave节点/mnt/disk1/log/hadoop-hdfs

  • Hive日志:Master节点/mnt/disk1/log/hive

  • ESS日志:Master和Worker节点/mnt/disk1/log/ess/

配置文件

配置文件目录在/etc/ecm/xxx下,例如:

  • Hadoop:/etc/ecm/hadoop-conf/

  • Spark:/etc/ecm/spark-conf/

  • Hive:/etc/ecm/hive-conf/

  • Flink:/etc/ecm/flink-conf/

  • Flume:/etc/ecm/flume-conf/

如果您需要修改配置文件中的参数,请登录E-MapReduce控制台操作,通过SSH方式只能浏览配置文件中的参数。