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Commit 2c5c539b authored by Stephane Nicoll's avatar Stephane Nicoll
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Document automatic scheduling of metrics export 

Closes gh-8040
parent d9a0a552
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spring-boot-docs/src/main/asciidoc/production-ready-features.adoc
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...@@ -1160,6 +1160,10 @@ metric updates every 5 seconds (configured via `spring.metrics.export.delay-mill ...@@ -1160,6 +1160,10 @@ metric updates every 5 seconds (configured via `spring.metrics.export.delay-mill
In addition, any `MetricReader` that you define and mark as `@ExportMetricReader` will In addition, any `MetricReader` that you define and mark as `@ExportMetricReader` will
have its values exported by the default exporter. have its values exported by the default exporter.
NOTE: This feature is enabling scheduling in your application (`@EnableScheduling`) which
can be a problem if you run an integration tests as your own scheduled tasks will start.
You can disable this behaviour by setting `spring.metrics.export.enabled` to `false`.
The default exporter is a `MetricCopyExporter` which tries to optimize itself by not The default exporter is a `MetricCopyExporter` which tries to optimize itself by not
copying values that haven't changed since it was last called (the optimization can be copying values that haven't changed since it was last called (the optimization can be
switched off using a flag `spring.metrics.export.send-latest`). Note also that the switched off using a flag `spring.metrics.export.send-latest`). Note also that the
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