+1 (non-binding)
It would be really nice to have Docker to try different features of Hadoop (like HA, Federation Enabled, Erasure coding…), which will helpful for both developers and users.
Thanks,
Bharat
On 9/13/17, 11:31 AM, "Eric Badger" <[EMAIL PROTECTED]LID> wrote:

    +1 definitely think an official Hadoop docker image (possibly 1 per major
    or minor release) would be a positive both for contributors and for users
    of Hadoop.
   
    Eric
   
    On Wed, Sep 13, 2017 at 1:19 PM, Wangda Tan <[EMAIL PROTECTED]> wrote:
   
    > +1 to add Hadoop docker image for easier testing / prototyping, it gonna be
    > super helpful!
    >
    > Thanks,
    > Wangda
    >
    > On Wed, Sep 13, 2017 at 10:48 AM, Miklos Szegedi <
    > [EMAIL PROTECTED]> wrote:
    >
    > > Marton, thank you for working on this. I think Official Docker images for
    > > Hadoop would be very useful for a lot of reasons. I think that it is
    > better
    > > to have a coordinated effort with production ready base images with
    > > dependent images for prototyping. Does anyone else have an opinion about
    > > this?
    > >
    > > Thank you,
    > > Miklos
    > >
    > > On Fri, Sep 8, 2017 at 5:45 AM, Marton, Elek <[EMAIL PROTECTED]> wrote:
    > >
    > > >
    > > > TL;DR: I propose to create official hadoop images and upload them to
    > the
    > > > dockerhub.
    > > >
    > > > GOAL/SCOPE: I would like improve the existing documentation with
    > > > easy-to-use docker based recipes to start hadoop clusters with various
    > > > configuration.
    > > >
    > > > The images also could be used to test experimental features. For
    > example
    > > > ozone could be tested easily with these compose file and configuration:
    > > >
    > > > https://gist.github.com/elek/1676a97b98f4ba561c9f51fce2ab2ea6
    > > >
    > > > Or even the configuration could be included in the compose file:
    > > >
    > > > https://github.com/elek/hadoop/blob/docker-2.8.0/example/doc
    > > > ker-compose.yaml
    > > >
    > > > I would like to create separated example compose files for federation,
    > > ha,
    > > > metrics usage, etc. to make it easier to try out and understand the
    > > > features.
    > > >
    > > > CONTEXT: There is an existing Jira https://issues.apache.org/jira
    > > > /browse/HADOOP-13397
    > > > But it’s about a tool to generate production quality docker images
    > > > (multiple types, in a flexible way). If no objections, I will create a
    > > > separated issue to create simplified docker images for rapid
    > prototyping
    > > > and investigating new features. And register the branch to the
    > dockerhub
    > > to
    > > > create the images automatically.
    > > >
    > > > MY BACKGROUND: I am working with docker based hadoop/spark clusters
    > quite
    > > > a while and run them succesfully in different environments (kubernetes,
    > > > docker-swarm, nomad-based scheduling, etc.) My work is available from
    > > here:
    > > > https://github.com/flokkr but they could handle more complex use cases
    > > > (eg. instrumenting java processes with btrace, or read/reload
    > > configuration
    > > > from consul).
    > > >  And IMHO in the official hadoop documentation it’s better to suggest
    > to
    > > > use official apache docker images and not external ones (which could be
    > > > changed).
    > > >
    > > > Please let me know if you have any comments.
    > > >
    > > > Marton
    > > >
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    > > >
    > >
    >
   
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