常用文件路径

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。