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From "Jerry Cwiklik (JIRA)" <uima-...@incubator.apache.org>
Subject [jira] Updated: (UIMA-1104) Need a monitor component for UIMA-AS services to capture performance metrics
Date Fri, 11 Jul 2008 14:10:31 GMT

     [ https://issues.apache.org/jira/browse/UIMA-1104?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Jerry Cwiklik updated UIMA-1104:

    Attachment: uimaj-as-core-UIMA-1104-patch-06.txt

Integrated JmxMonitor with the UIMA_Service. Refactored UIMA_Service to remove dead code.
The JmxMonitor startup is enabled via -Djmx.monitor.frequency=<number> parameter. A
presence of this parameter enables the monitor and redefines monitor's default checkpoint
frequency. Also, the monitor supports pluggable formatter listeners. These listeners are called
with new metrics every time a checkpoint is completed. The listener may format the metrics
to specific requirements. To plug in a custom formatter use -Djmx.monitor.formatter=<class
name> parameter.

An example command line setting for the JmxMonitor is as follows:
set UIMA_JVM_OPTS=-Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.port=8009
-Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false
-Djmx.monitor.frequency=2000 -Djmx.monitor.formatter=org.apache.uima.examples.as.DefaultUimaServiceMonitorFormatter

Note: the custom formatter class is instantiated using default (empty) constructor.

> Need a monitor component for UIMA-AS services to capture performance metrics 
> -----------------------------------------------------------------------------
>                 Key: UIMA-1104
>                 URL: https://issues.apache.org/jira/browse/UIMA-1104
>             Project: UIMA
>          Issue Type: New Feature
>          Components: Async Scaleout
>            Reporter: Jerry Cwiklik
>         Attachments: idleWithRemote.txt, uimaj-as-activemq-UIMA-1104-patch-03.txt, uimaj-as-activemq-UIMA-1104-patch-04.txt,
uimaj-as-activemq-UIMA-1104-patch-05.txt, uimaj-as-activemq-UIMA-1104-patch-06.txt, uimaj-as-activemq-UIMA-1104-patch.txt,
uimaj-as-core-UIMA-1104-patch-02.txt, uimaj-as-core-UIMA-1104-patch-03.txt, uimaj-as-core-UIMA-1104-patch-04.txt,
uimaj-as-core-UIMA-1104-patch-05.txt, uimaj-as-core-UIMA-1104-patch-06.txt, uimaj-as-core-UIMA-1104-patch.txt
> In complex uima-as deployments it is hard to find bottlenecks which need scaleup. A JMX-based
monitor is needed to collect runtime metrics from every uima-as service. The metrics must
include idle time, queue depth, amount of time each service waits for a free CAS. The monitor
should be an embeddable component that can be deployed in a java application. The monitor
should allow custom formatting of metrics via pluggable extension. 

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