[jira] [Work started] (UIMA-4154) Invalid performance breakdown returned for asynchronous aggregates

["Jerry Cwiklik (JIRA)" <de...@uima.apache.org>]

     [ https://issues.apache.org/jira/browse/UIMA-4154?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on UIMA-4154 started by Jerry Cwiklik.
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> Invalid performance breakdown returned for asynchronous aggregates
> ------------------------------------------------------------------
>
>                 Key: UIMA-4154
>                 URL: https://issues.apache.org/jira/browse/UIMA-4154
>             Project: UIMA
>          Issue Type: Bug
>          Components: Async Scaleout
>            Reporter: Eddie Epstein
>            Assignee: Jerry Cwiklik
>
> The DuccRawText sample application runs with a synchronous aggregate replicated in 8 threads. The performance breakdown closely matches the breakdown when the application is run in single threaded mode (all_in_one).
> If the JobProcess is submitted as an async aggregate (as a DD job) with one CM, eight AE's and one CC, the performance breakdown is clearly invalid. For example, in sync mode the CM is less than 0.1% of total CPU, but in async mode the breakdown shows the CM with 66% of total. 



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