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From "Lou DeGenaro (JIRA)" <...@uima.apache.org>
Subject [jira] [Created] (UIMA-5742) Reliable DUCC
Date Thu, 08 Mar 2018 20:36:00 GMT
Lou DeGenaro created UIMA-5742:

             Summary: 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
             Fix For: future-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 keepalived

* 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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