Elek, Marton updated HADOOP-15257:
    Target Version/s: 3.2.0
              Status: Patch Available  (was: Open)

First patch is uploaded.

To test:

1. Do a full maven build with -Pdist

2. cd hadoop-dist/target/compose/hdfs

3. docker-compose up -d

Now you have a running hdfs cluster. 

You can scale it up with :

docker-compoase scale datanode=3

And you can check the namenode ui http://localhost:9870

> Provide example docker compose file for developer builds
> --------------------------------------------------------
>                 Key: HADOOP-15257
>                 URL: https://issues.apache.org/jira/browse/HADOOP-15257
>             Project: Hadoop Common
>          Issue Type: Sub-task
>            Reporter: Elek, Marton
>            Assignee: Elek, Marton
>            Priority: Major
>         Attachments: HADOOP-15257.001.patch
> This issue is about creating example docker-compose files which use the 
> latest build from the hadoop-dist directory.
> These docker-compose files would help to run a specific hadoop cluster based 
> on the latest custom build without the need to build customized docker image 
> (with mounting hadoop fro hadoop-dist to the container

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