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https://issues.apache.org/jira/browse/AMBARI-21674?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16197026#comment-16197026
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Yussuf Shaikh commented on AMBARI-21674:
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We have identified the following list of sub-tasks for supporting Ambari Hybrid
cluster. Planning to work on the list in sequence for next couple of months.
Add a function in Configuration class to reload the configs and read a custom
property
Allow different OS type and version for Hybrid setup
Backend and UI changes for different JAVA_HOME related to OS arch types
Verify JAVA_HOME and prompt user to enter JAVA_HOME for new OS family
UI for validating JAVA_HOME depending on the OS family and store in
ambari.properties with OS family suffix
Display Host check report (warning popup) for JAVA_HOME depending on OS
family and UI validations
Read the JAVA_HOME depending on the OS family during Service install
(action & command) and upgrade
Set java.home.<os_family> in ambari-server setup script for server OS
family
Backend and UI changes for HDP & HDP-UTILS repo URLs related to OS arch types
(Install and Add Host action)
UI for verifying if repo exist for new OS family and user prompt for
entering HDP and HDP-UTILs repo URLs
Validate the HDP and HDP-UTILS repo URLs entered by the user and use
skip/satellite option
Store the user input at step 3 for custom HDP and HDP-UTILS repo URLs
Display the custom repo set in reporting section and UI validations
Backend and UI changes for Ambari repo URLs related to OS arch types
Verify if new OS family to the cluster is different from server
UI changes for prompting user during registration failure for new OS
family
Store and retrieve the Ambari repo URLs for OS family during bootstrap
> Ambari to support Hybrid cluster
> ---------------------------------
>
> Key: AMBARI-21674
> URL: https://issues.apache.org/jira/browse/AMBARI-21674
> Project: Ambari
> Issue Type: New Feature
> Components: ambari-agent, ambari-server
> Reporter: Ayappan
>
> We have been exploring Hybrid hadoop cluster recently. By hybrid, i mean the
> nodes in the cluster have different platform architectures. Some nodes are
> intel x86_64 , some are IBM Power ppc64le., and so on. Right now Ambari
> doesn't have this hybrid support. It selects the repo based on the machine
> where it is installed and then ask the users to add the nodes. I think this
> order has to be changed as the first step to provide hybrid support in Ambari.
> We were actually able to bring up a hybrid cluster using some hacks (not so
> good) like manually configuring the yum repos according to the arch,
> installing the rpms before ambari does and also manipulating the JAVA_HOME
> variable. We also ran some examples like terasort without any issues.
> So the thing here is we kind of starting to work on making Ambari provide a
> smooth hybrid support which requires some design changes. We very much
> welcome Ambari community to provide some ideas, patch contributions, or
> whatever way you can help us on.
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