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From "Jerry Cwiklik (JIRA)" <...@uima.apache.org>
Subject [jira] [Work started] (UIMA-4154) Invalid performance breakdown returned for asynchronous aggregates
Date Mon, 11 May 2015 16:45:02 GMT

     [ 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.
-------------------------------------------
> 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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