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From "Vitaly Brodetskyi (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMBARI-3793) Do not store disks_info in DB. Store it as dynamic info in memory that can be used to show on the UI.
Date Mon, 18 Nov 2013 16:03:21 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-3793?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vitaly Brodetskyi updated AMBARI-3793:
--------------------------------------

    Attachment: AMBARI-3793.patch

> Do not store disks_info in DB. Store it as dynamic info in memory that can be used to
show on the UI.
> -----------------------------------------------------------------------------------------------------
>
>                 Key: AMBARI-3793
>                 URL: https://issues.apache.org/jira/browse/AMBARI-3793
>             Project: Ambari
>          Issue Type: Bug
>          Components: agent
>    Affects Versions: 1.4.1
>            Reporter: Vitaly Brodetskyi
>            Assignee: Vitaly Brodetskyi
>             Fix For: 1.5.0
>
>         Attachments: AMBARI-3793.patch
>
>
> Currently, we store disks info in DB and this information is never updated after registration.
As disks details can change (space availability changes, disks get mounted/unmounted, etc.)
the persisted information is not useful.
> We should instead hold the details in memory and refresh it at certain intervals (e.g.
once every 10 minutes) and then alert if space availability hits some lower limit.



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