Till Rohrmann created FLINK-21129:
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Summary: Long metric names cause Graphite to not store them
Key: FLINK-21129
URL: https://issues.apache.org/jira/browse/FLINK-21129
Project: Flink
Issue Type: Bug
Components: Runtime / Metrics
Affects Versions: 1.11.1
Reporter: Till Rohrmann
While using the {{GraphiteReporter}} and a simple job with a window function, I
noticed that Flink generates metric names which are too long for Graphite to
handle.
{code}
githubCommits
.global()
.windowAll(TumblingEventTimeWindows.of(Time.days(1)))
.apply(new MyWindowFunction())
{code}
The generated metric name was
{{/opt/graphite/storage/whisper/172-20-3-229/taskmanager/flink-taskmanager-1-1/Commit-rate-per-day-program/TriggerWindow(TumblingEventTimeWindows(86400000),-ListStateDescriptor{name=window-contents,-defaultValue=null,-serializer=org-apache-flink-api-common-typeutils-base-ListSerializer@da6e90ca},-EventTimeTrigger(),-AllWindowedStream-runJob(CommitRateProgram-java:96))-->-Sink:-Unnamed/0/numRecordsInPerSecond/m1_rate.wsp}}
The error only shows in the logs of Graphite.
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