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https://issues.apache.org/jira/browse/UIMA-1245?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jerry Cwiklik updated UIMA-1245:
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Fix Version/s: 2.3AS
> Processing order of parent CAS different on UIMA and UIMA AS
> ------------------------------------------------------------
>
> Key: UIMA-1245
> URL: https://issues.apache.org/jira/browse/UIMA-1245
> Project: UIMA
> Issue Type: Bug
> Components: Async Scaleout
> Reporter: Eddie Epstein
> Assignee: Eddie Epstein
> Fix For: 2.3AS
>
>
> Arron Kaplan raised the question of when parent CASes are processed relative
> to their children. See http://markmail.org/message/5cop7iv2nshouhgs As of
> now, the processing order for a multi-threaded UIMA AS aggregate is different
> than that for a single-threaded UIMA aggregate.
> A discussion with Burn, Adam, Jerry, Marshall and myself concluded that the
> default processing order for UIMA AS should be changed to be the same as in
> UIMA, in order to have the same application behavior for both. This will be
> done by suspending flow of a parent CAS after it is returned from a
> CasMultiplier delegate until all its children CASes have finished processing.
> However, there also needs to be a UIMA AS deployment option for CasMultiplier
> delegates that allows the parent CAS to resume processing immediately after
> being returned from the CM. This option is needed to enable parallel
> processing.
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