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From "Lou DeGenaro (JIRA)" <...@uima.apache.org>
Subject [jira] [Work started] (UIMA-5742) Reliable DUCC
Date Mon, 18 Feb 2019 13:02:00 GMT

     [ https://issues.apache.org/jira/browse/UIMA-5742?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Work on UIMA-5742 started by Lou DeGenaro.
> Reliable DUCC
> -------------
>                 Key: UIMA-5742
>                 URL: https://issues.apache.org/jira/browse/UIMA-5742
>             Project: UIMA
>          Issue Type: New Feature
>          Components: DUCC
>            Reporter: Lou DeGenaro
>            Assignee: Lou DeGenaro
>            Priority: Major
>             Fix For: 3.0.0-Ducc
> Reliable DUCC
> * Support for multiple DUCC head nodes, one of which is the active master the others
are backups only, with takeover by new master activated by virtual IP address switching though
> * A switch mechanism that potentially is employed by keepalived to determine the health
of the set of Reliable DUCC head nodes in order to make the virtual IP address assignment
> * Autostart capability for head node and agent daemons, whereby administrator intervention
to issue start_ducc is unnecessary
> See svn branch /uima/uima-ducc/branches/reliable-ducc for development code.  Reliable
DUCC document can be found under uima-ducc-duccdocs/target/site/duccbook-pdf/reliable-ducc.pdf
after issuing:
> > mvn clean install -Pbuild-duccdocs

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