[jira] Commented: (UIMA-1109) Need ability to quiesce an instance of a service

["Jerry Cwiklik (JIRA)" <ui...@incubator.apache.org>]

    [ https://issues.apache.org/jira/browse/UIMA-1109?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12645251#action_12645251 ] 

Jerry Cwiklik commented on UIMA-1109:
-------------------------------------

This is to be addressed when I refactor activeMQ specific code that deals with initialization of services at startup. The initialization code needs to be simplified. Currently the components of the service are initialized from spring.xml and some of the initialize asynchronously in separate threads leading to race conditions and complicated code to avoid them.

> Need ability to quiesce an instance of a service
> ------------------------------------------------
>
>                 Key: UIMA-1109
>                 URL: https://issues.apache.org/jira/browse/UIMA-1109
>             Project: UIMA
>          Issue Type: Improvement
>          Components: Async Scaleout
>            Reporter: Burn Lewis
>
> We can deploy extra instances of a service seamlessly but also need a mechanism to undeploy without losing any work, i.e. ask an instance to stop processing messages and shutdown when it finishes its current work.

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