> On April 17, 2015, 10:22 p.m., Jayush Luniya wrote:
> > @Nick,
> > I see that common-services/HBASE/1.1.0.2.3 is mostly a copy of 
> > common-services/HBASE/0.96.0.2.0. This leads to code duplication. Common 
> > services supports inheritence. So common-services/HBASE/1.1.0.2.3 can 
> > inherit from common-services/HBASE/0.96.0.2.0. Although we need to 
> > duplicate the package folder due to limitation in inheritance model, if we 
> > inherit, we can get rid off duplicated configs. Also the metainfo.xml is 
> > merged so you dont need to duplicate the components either.

Further there is another issue here. Current inheritance hierarchy is

common-services/HBASE/0.96.0.2.0
  stacks/HDP/2.0.6/services/HBASE
    stacks/HDP/2.1/services/HBASE
      stacks/HDP/2.2/services/HBASE
      
common-services/HBASE/1.1.0.2.3
  stacks/HDP/2.3/services/HBASE
  
This means that any override/new configs that are added in the inherited stack 
(ex: stacks/HDP/2.2/services/HBASE/configuration/hbase-site.xml) will not be 
present in stacks/HDP/2.3/services/HBASE

This leads to regression in 2.3 stack or we would need to duplicate the 
overrides in the stack hierarchy in HDP/2.3 causing maintainence issues.


- Jayush


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On April 15, 2015, 7:37 p.m., nick dimiduk wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/33064/
> -----------------------------------------------------------
> 
> (Updated April 15, 2015, 7:37 p.m.)
> 
> 
> Review request for Ambari, Alejandro Fernandez and Yusaku Sako.
> 
> 
> Bugs: AMBARI-9993
>     https://issues.apache.org/jira/browse/AMBARI-9993
> 
> 
> Repository: ambari
> 
> 
> Description
> -------
> 
> Per JIRA
> 
> 
> Diffs
> -----
> 
>   
> ambari-server/src/main/resources/common-services/HBASE/1.1.0.2.3/alerts.json 
> PRE-CREATION 
>   
> ambari-server/src/main/resources/common-services/HBASE/1.1.0.2.3/configuration/hbase-env.xml
>  PRE-CREATION 
>   
> ambari-server/src/main/resources/common-services/HBASE/1.1.0.2.3/configuration/hbase-log4j.xml
>  PRE-CREATION 
>   
> ambari-server/src/main/resources/common-services/HBASE/1.1.0.2.3/configuration/hbase-policy.xml
>  PRE-CREATION 
>   
> ambari-server/src/main/resources/common-services/HBASE/1.1.0.2.3/configuration/hbase-site.xml
>  PRE-CREATION 
>   
> ambari-server/src/main/resources/common-services/HBASE/1.1.0.2.3/kerberos.json
>  PRE-CREATION 
>   
> ambari-server/src/main/resources/common-services/HBASE/1.1.0.2.3/metainfo.xml 
> PRE-CREATION 
>   
> ambari-server/src/main/resources/common-services/HBASE/1.1.0.2.3/metrics.json 
> PRE-CREATION 
>   
> ambari-server/src/main/resources/common-services/HBASE/1.1.0.2.3/package/files/draining_servers.rb
>  PRE-CREATION 
>   
> ambari-server/src/main/resources/common-services/HBASE/1.1.0.2.3/package/files/hbaseSmokeVerify.sh
>  PRE-CREATION 
>   
> ambari-server/src/main/resources/common-services/HBASE/1.1.0.2.3/package/scripts/__init__.py
>  PRE-CREATION 
>   
> ambari-server/src/main/resources/common-services/HBASE/1.1.0.2.3/package/scripts/functions.py
>  PRE-CREATION 
>   
> ambari-server/src/main/resources/common-services/HBASE/1.1.0.2.3/package/scripts/hbase.py
>  PRE-CREATION 
>   
> ambari-server/src/main/resources/common-services/HBASE/1.1.0.2.3/package/scripts/hbase_client.py
>  PRE-CREATION 
>   
> ambari-server/src/main/resources/common-services/HBASE/1.1.0.2.3/package/scripts/hbase_decommission.py
>  PRE-CREATION 
>   
> ambari-server/src/main/resources/common-services/HBASE/1.1.0.2.3/package/scripts/hbase_master.py
>  PRE-CREATION 
>   
> ambari-server/src/main/resources/common-services/HBASE/1.1.0.2.3/package/scripts/hbase_regionserver.py
>  PRE-CREATION 
>   
> ambari-server/src/main/resources/common-services/HBASE/1.1.0.2.3/package/scripts/hbase_service.py
>  PRE-CREATION 
>   
> ambari-server/src/main/resources/common-services/HBASE/1.1.0.2.3/package/scripts/hbase_upgrade.py
>  PRE-CREATION 
>   
> ambari-server/src/main/resources/common-services/HBASE/1.1.0.2.3/package/scripts/params.py
>  PRE-CREATION 
>   
> ambari-server/src/main/resources/common-services/HBASE/1.1.0.2.3/package/scripts/params_linux.py
>  PRE-CREATION 
>   
> ambari-server/src/main/resources/common-services/HBASE/1.1.0.2.3/package/scripts/params_windows.py
>  PRE-CREATION 
>   
> ambari-server/src/main/resources/common-services/HBASE/1.1.0.2.3/package/scripts/phoenix_queryserver.py
>  PRE-CREATION 
>   
> ambari-server/src/main/resources/common-services/HBASE/1.1.0.2.3/package/scripts/phoenix_service.py
>  PRE-CREATION 
>   
> ambari-server/src/main/resources/common-services/HBASE/1.1.0.2.3/package/scripts/service_check.py
>  PRE-CREATION 
>   
> ambari-server/src/main/resources/common-services/HBASE/1.1.0.2.3/package/scripts/setup_ranger_hbase.py
>  PRE-CREATION 
>   
> ambari-server/src/main/resources/common-services/HBASE/1.1.0.2.3/package/scripts/status_params.py
>  PRE-CREATION 
>   
> ambari-server/src/main/resources/common-services/HBASE/1.1.0.2.3/package/scripts/upgrade.py
>  PRE-CREATION 
>   
> ambari-server/src/main/resources/common-services/HBASE/1.1.0.2.3/package/templates/hadoop-metrics2-hbase.properties-GANGLIA-MASTER.j2
>  PRE-CREATION 
>   
> ambari-server/src/main/resources/common-services/HBASE/1.1.0.2.3/package/templates/hadoop-metrics2-hbase.properties-GANGLIA-RS.j2
>  PRE-CREATION 
>   
> ambari-server/src/main/resources/common-services/HBASE/1.1.0.2.3/package/templates/hbase-smoke.sh.j2
>  PRE-CREATION 
>   
> ambari-server/src/main/resources/common-services/HBASE/1.1.0.2.3/package/templates/hbase_client_jaas.conf.j2
>  PRE-CREATION 
>   
> ambari-server/src/main/resources/common-services/HBASE/1.1.0.2.3/package/templates/hbase_grant_permissions.j2
>  PRE-CREATION 
>   
> ambari-server/src/main/resources/common-services/HBASE/1.1.0.2.3/package/templates/hbase_master_jaas.conf.j2
>  PRE-CREATION 
>   
> ambari-server/src/main/resources/common-services/HBASE/1.1.0.2.3/package/templates/hbase_regionserver_jaas.conf.j2
>  PRE-CREATION 
>   
> ambari-server/src/main/resources/common-services/HBASE/1.1.0.2.3/package/templates/regionservers.j2
>  PRE-CREATION 
>   
> ambari-server/src/main/resources/common-services/HBASE/1.1.0.2.3/widgets.json 
> PRE-CREATION 
>   ambari-server/src/test/python/stacks/2.3/HBASE/test_hbase_client.py 
> PRE-CREATION 
>   ambari-server/src/test/python/stacks/2.3/HBASE/test_hbase_master.py 
> PRE-CREATION 
>   ambari-server/src/test/python/stacks/2.3/HBASE/test_hbase_regionserver.py 
> PRE-CREATION 
>   ambari-server/src/test/python/stacks/2.3/HBASE/test_hbase_service_check.py 
> PRE-CREATION 
>   ambari-server/src/test/python/stacks/2.3/HBASE/test_phoenix_queryserver.py 
> PRE-CREATION 
>   ambari-server/src/test/python/stacks/2.3/configs/default.hbasedecom.json 
> PRE-CREATION 
>   ambari-server/src/test/python/stacks/2.3/configs/hbase_default.json 
> PRE-CREATION 
>   ambari-server/src/test/python/stacks/2.3/configs/hbase_secure.json 
> PRE-CREATION 
> 
> Diff: https://reviews.apache.org/r/33064/diff/
> 
> 
> Testing
> -------
> 
> 
> Thanks,
> 
> nick dimiduk
> 
>

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