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From "Swapan Shridhar (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMBARI-21482) Blueprints: HSI config 'num_llap_nodes' and 'num_llap_nodes_for_llap_daemons' should be calculated and recommended via Stack Advisor during Blueprint install only if 'num_llap_nodes' config value is not provided in Blueprint.
Date Mon, 17 Jul 2017 19:13:00 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-21482?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Swapan Shridhar updated AMBARI-21482:
-------------------------------------
    Component/s: ambari-server

> Blueprints: HSI config 'num_llap_nodes' and 'num_llap_nodes_for_llap_daemons' should
be calculated and recommended via Stack Advisor during Blueprint install only if 'num_llap_nodes'
config value is not provided in Blueprint.
> ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: AMBARI-21482
>                 URL: https://issues.apache.org/jira/browse/AMBARI-21482
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-server
>    Affects Versions: trunk, 2.5.1
>            Reporter: Swapan Shridhar
>            Assignee: Swapan Shridhar
>             Fix For: trunk, 2.5.2
>
>         Attachments: AMBARI-21482.patch
>
>
> *Current:* HSI config *'num_llap_nodes_for_llap_daemons*' is calculated and recommended
via Stack Advisor during Blueprint install and *''num_llap_nodes''*  value is not used for
*'num_llap_nodes_for_llap_daemons*' calculation, if available in Blueprint.
> *Issue* :  This creates the problem of calculating value for *'num_llap_nodes_for_llap_daemons'*,
in which calculation doesn't includes using the *'num_llap_nodes'* value.
> We need to use *'num_llap_nodes'* config value (if provided in BP) while calculating
value for *'num_llap_nodes_for_llap_daemons'* during cluster creation call to Stack Advisor.
> *Fix* : During BP cluster install call to SA, recommendation for *'num_llap_nodes_for_llap_daemons'*
should use value of *'num_llap_nodes'* config if specified in the cluster BP call.



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