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From "Jerry Cwiklik (Commented) (JIRA)" <...@uima.apache.org>
Subject [jira] [Commented] (UIMA-2180) UIMA AS primitive service should return performance breakdown for each CAS
Date Tue, 13 Dec 2011 18:58:31 GMT

    [ https://issues.apache.org/jira/browse/UIMA-2180?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13168614#comment-13168614
] 

Jerry Cwiklik commented on UIMA-2180:
-------------------------------------

Extended UIMA AS client API to include 
public String sendAndReceiveCAS(CAS aCAS, List<AnalysisEnginePerformanceMetrics> componentMetricsList)
throws ResourceProcessException;
to provide application with per AE performance breakdown.
                
> UIMA AS primitive service should return performance breakdown for each CAS
> --------------------------------------------------------------------------
>
>                 Key: UIMA-2180
>                 URL: https://issues.apache.org/jira/browse/UIMA-2180
>             Project: UIMA
>          Issue Type: New Feature
>          Components: Async Scaleout
>            Reporter: Jerry Cwiklik
>            Assignee: Jerry Cwiklik
>             Fix For: 2.4.0AS
>
>
> Current UIMA AS code doesnt extract CAS per component performance breakdown from UIMA
aggregate. Such breakdown would be very useful in identifying bottlenecks in a pipeline. This
breakdown is available via AnalysisEngine's getManagementInterface(). The API accesses the
same performance stats that AE exposes via JMX. Since these stats are cumulative, the UIMA
AS code should calculate delta to obtain per CAS performance breakdown. Before calling processAndOutputNewCASes(),
the code should make a copy (actually a deep copy) of AnalysisEngineManagement instance(s)
and calculate delta (of analysisTime) before returning input CAS.
> The list containing the breakdown should be serialized into a reply message and de-serialized
by the client. The UIMA AS client will provide an application the breakdown as a List via
a callback method on UimaAsBaseCallbackListener. 

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