README.adoc

HADOOP Environment

Based gudaoxuri/java:latest

Features

• SSH server & client ( Port: 22 User: root Password: 123456 )

• Hadoop 2.7.x

Examples

Start :

docker run --name hadoop -h hadoop -P -e KEEP=true -d tairangroup/hadoop

Operation：

Hadoop Home:/opt/hadoop/

example:
hdfs dfs -mkdir /test
hdfs dfs -put <localfile> /test/
hdfs dfs -ls /test

Environments

Env	Default Value	Remark
TZ	Asia/Shanghai
KEEP	false	true = always run

Volumes

volume	Remark
/data/hadoop/hdfs/nn	Name node path
/data/hadoop/hdfs/dn	Data node path

Expose Ports

Port	Remark
22	SSH Port
9000	File system metadata operations fs.default.name
50010	Data transfer dfs.datanode.address
50020	Metadata operations dfs.datanode.ipc.address
50070	Web UI to look at current status of HDFS, explore file system dfs.http.address
50075	DataNode WebUI to access the status, logs etc. dfs.datanode.http.address
50090	Checkpoint for NameNode metadata dfs.secondary.http.address