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Document automatic scheduling of metrics export
Closes gh-8040
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@ -1160,6 +1160,10 @@ metric updates every 5 seconds (configured via `spring.metrics.export.delay-mill
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In addition, any `MetricReader` that you define and mark as `@ExportMetricReader` will
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have its values exported by the default exporter.
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NOTE: This feature is enabling scheduling in your application (`@EnableScheduling`) which
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can be a problem if you run an integration tests as your own scheduled tasks will start.
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You can disable this behaviour by setting `spring.metrics.export.enabled` to `false`.
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The default exporter is a `MetricCopyExporter` which tries to optimize itself by not
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copying values that haven't changed since it was last called (the optimization can be
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switched off using a flag `spring.metrics.export.send-latest`). Note also that the
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