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Posted to dev@uima.apache.org by "Lou DeGenaro (JIRA)" <de...@uima.apache.org> on 2018/03/08 20:36:00 UTC

[jira] [Created] (UIMA-5742) Reliable DUCC

Lou DeGenaro created UIMA-5742:
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             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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