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From "Swapan Shridhar (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMBARI-15876) Stack advisor work for adding and disabling LLAP queue when Interactive query is turned on and off respectively.
Date Fri, 15 Apr 2016 08:28:25 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-15876?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Swapan Shridhar updated AMBARI-15876:
-------------------------------------
    Description: 
--> When Hive Server Interactive is turned ON:
===================================
  Ambari creates OR "modifies 'llap' queue 'state and/or capacity' " based on below conditions:
       -  if only 1 queue exists at root level and is 'default' queue and has 100% cap ->
Creates 'llap' queue,  OR
       -  if 2 queues exists at root level ('llap' and 'default') :
           -> 'llap' queue state is STOPPED -> Modifies 'llap' queue state to RUNNING,
adjusts capacity, OR
           -> 'llap' queue state is RUNNING and 'llap_queue_capacity' prop != 'llap' queue
current running capacity ->
              Modifies 'llap' queue capacity to 'llap_queue_capacity'.
              
--> When Hive Server Interactive is turned OFF:
===================================
      -   Checks and sees (1). If only two leaf queues exist at root level, namely: 'default'
and 'llap',
                  and (2). 'llap' is in RUNNING state.

      - If yes, performs the following actions:   (1). 'llap' queue state set to STOPPED,
                                                (2). 'llap' queue capacity set to 0 %,
                                                (3). 'default' queue capacity set to 100 %

  was:
--> When Hive Server Interactive is turned ON:
===================================
  Ambari creates OR "modifies 'llap' queue 'state and/or capacity' " based on below conditions:
       -  if only 1 queue exists at root level and is 'default' queue and has 100% cap ->
Creates 'llap' queue,  OR
       -  if 2 queues exists at root level ('llap' and 'default') :
           -> 'llap' queue state is STOPPED -> Modifies 'llap' queue state to RUNNING,
adjusts capacity, OR
           -> 'llap' queue state is RUNNING and 'llap_queue_capacity' prop != 'llap' queue
current running capacity ->
              Modifies 'llap' queue capacity to 'llap_queue_capacity'.
              
--> When Hive Server Interactive is turned OFF:
--------------------------------------------------------------
      -   Checks and sees (1). If only two leaf queues exist at root level, namely: 'default'
and 'llap',
                  and (2). 'llap' is in RUNNING state.

      - If yes, performs the following actions:   (1). 'llap' queue state set to STOPPED,
                                                (2). 'llap' queue capacity set to 0 %,
                                                (3). 'default' queue capacity set to 100 %


> Stack advisor work for adding and disabling LLAP queue when Interactive query is turned
on and off respectively.
> ----------------------------------------------------------------------------------------------------------------
>
>                 Key: AMBARI-15876
>                 URL: https://issues.apache.org/jira/browse/AMBARI-15876
>             Project: Ambari
>          Issue Type: Task
>          Components: ambari-server
>    Affects Versions: 2.4.0
>            Reporter: Swapan Shridhar
>            Assignee: Swapan Shridhar
>             Fix For: 2.4.0
>
>         Attachments: AMBARI-15876.patch
>
>
> --> When Hive Server Interactive is turned ON:
> ===================================
>   Ambari creates OR "modifies 'llap' queue 'state and/or capacity' " based on below conditions:
>        -  if only 1 queue exists at root level and is 'default' queue and has 100% cap
-> Creates 'llap' queue,  OR
>        -  if 2 queues exists at root level ('llap' and 'default') :
>            -> 'llap' queue state is STOPPED -> Modifies 'llap' queue state to RUNNING,
adjusts capacity, OR
>            -> 'llap' queue state is RUNNING and 'llap_queue_capacity' prop != 'llap'
queue current running capacity ->
>               Modifies 'llap' queue capacity to 'llap_queue_capacity'.
>               
> --> When Hive Server Interactive is turned OFF:
> ===================================
>       -   Checks and sees (1). If only two leaf queues exist at root level, namely: 'default'
and 'llap',
>                   and (2). 'llap' is in RUNNING state.
>       - If yes, performs the following actions:   (1). 'llap' queue state set to STOPPED,
>                                                 (2). 'llap' queue capacity set to 0 %,
>                                                 (3). 'default' queue capacity set to
100 %



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