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https://issues.apache.org/jira/browse/UIMA-4923?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15285204#comment-15285204
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Lou DeGenaro commented on UIMA-4923:
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The code is dual-pathed: DB and non-DB mode, in accordance with the
configuration in ducc.properties.
DB-Mode:
Part 1 - get list of machines from DB and ducc.nodes
Part 2 - for those machines found in Part 1, enhance their data (e.g. status,
status reason...) from Agent publications
In this case, Agents reporting any machines to WS that are not in DB will not
be shown on Machines page.
Non-DB mode
Part 1 - get list of machines as provided by Agents and ducc.nodes
Part 2 - use data of those machines (e.g. memory total, reserve, free...)
In this case, all machines ever having reported to WS during its lifetime will
be shown.
> DUCC Web Server (WS) should not display nodes that have been removed from
> service on Machines page
> --------------------------------------------------------------------------------------------------
>
> Key: UIMA-4923
> URL: https://issues.apache.org/jira/browse/UIMA-4923
> Project: UIMA
> Issue Type: Improvement
> Components: DUCC
> Reporter: Lou DeGenaro
> Assignee: Lou DeGenaro
> Fix For: 2.1.0-Ducc
>
>
> Justification: it is confusing to users and administrators to display nodes
> on the Machines page that are no longer in service. By not in service we
> mean:
> - no longer in a nodes file
> - if previously in a node files, no longer in use
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