Jerry Cwiklik created UIMA-4337:
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Summary: Isolate DUCC Agent so that it is not dependent on common
and transport
Key: UIMA-4337
URL: https://issues.apache.org/jira/browse/UIMA-4337
Project: UIMA
Issue Type: Improvement
Components: DUCC
Reporter: Jerry Cwiklik
Assignee: Jerry Cwiklik
Fix For: future-DUCC
Changes to common and transport require Agent restart. Since the restart means
killing all running jobs (JDs, JPs and Services) such action can be expensive.
The proposal is to find a way to remove Agent dependency on common and
transport jars. Agent code should be isolated and self contained. This requires
major refactoring with impact on other Ducc daemons.
Currently an Agent publishes its inventory of processes using common classes
included in transport jar. It also publishes metrics using classes from common
jar. Those publications are consumed by RM, OR, and WS. The Agent uses common
code to bootstrap and configure itself just like all of the Ducc daemons.
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