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18 lines
865 B
18 lines
865 B
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The Libresonic framework contains a convenient class (called MetricsManager) to add inner metrics that constructs in real time some performance indicators.
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The use of MetricsManager is illustrated in the org.libresonic.player.filter.MetricsFilter class.
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The MetricsFilter adds a metric based on the time spent by each /main.view HTTP request. This is interesting as the main.view request is invoqued when something is displayed in the main Libresonic web frame.
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By default, the MetricsManager is deactivated; it does nothing.
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It can be activated only by adding the following line inside the livresonic.properties configuration file :
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```
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Metrics=
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```
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Once the MetricsManager as been activated this way, each metric can be inspected using a jmx console like VisualVM.
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Each metric is registered as a MBean as shown below.
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