StefanRRichter commented on a change in pull request #6656:
[FLINK-10242][metrics] Disable latency metrics by default
URL: https://github.com/apache/flink/pull/6656#discussion_r215928326
##########
File path:
flink-core/src/main/java/org/apache/flink/configuration/MetricOptions.java
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@@ -104,6 +104,12 @@
.defaultValue("<host>.taskmanager.<tm_id>.<job_name>.<operator_name>.<subtask_index>")
.withDescription("Defines the scope format string that
is applied to all metrics scoped to an operator.");
+ public static final ConfigOption<Long> LATENCY_INTERVAL =
+ key("metrics.latency.interval")
+ .defaultValue(0L)
+ .withDescription("Defines the interval at which latency
tracking marks are emitted from the sources." +
Review comment:
Maybe enhance the description a bit to warn that this can have significant
overhead and should more be used for debugging and not so munch in production?
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