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Quick usage for hadoop-dev docker image

  • Docker build and run
git clone https://github.com/hibuz/ubuntu-docker
cd ubuntu-docker/hadoop

docker compose up hadoop-dev --no-build

Docker build & run for custom hadoop user and version

  • see Dockerfile

    Hadoop Build Order
    # bash
    ubuntu-docker$ docker compose build bash-base
    # hadoop
    ubuntu-docker/hadoop$ docker compose build hadoop-base
    ubuntu-docker/hadoop$ docker build -t hibuz/hadoop-dev .
    # hbase|spark|hive|flink
    ubuntu-docker/hadoop/(hbase|spark|hive|flink)$ docker compose up --build
    # flink-base for zeppelin
    ubuntu-docker/hadoop/zeppelin$ docker compose build flink-base
    # zeppelin
    ubuntu-docker/hadoop/zeppelin$ docker compose up --build

Attach to running container

docker exec -it hadoop bash

Prepare input files into the distributed filesystem

# Make the HDFS directories
hdfs dfs -mkdir -p /user/hadoop/input
# Copy the input files
hdfs dfs -put $HADOOP_HOME/etc/hadoop/*.xml input

Run some of the examples provided:

# Run example wordcount job:
hadoop jar $HADOOP_HOME/share/hadoop/mapreduce/hadoop-mapreduce-examples-*.jar wordcount input output
# View the output files on the distributed filesystem:
hdfs dfs -cat output/*

# Remove the output dir:
hdfs dfs -rm -r output

# Run example wordcount grep job:
hadoop jar $HADOOP_HOME/share/hadoop/mapreduce/hadoop-mapreduce-examples-*.jar grep input output 'dfs[a-z.]+'
# View the output files on the distributed filesystem:
hdfs dfs -cat output/*
# Result of the output files 
1	dfsadmin
1	dfs.replication

Stops containers and removes containers, networks, and volumes created by up.

docker compose down -v

[+] Running 3/3
 ✔ Container hbase         Removed
 ✔ Volume hbase_hbase-vol  Removed
 ✔ Network hbase_default   Removed

Visit hadoop dashboard

Reference