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streams-metric-exporter 1.2.0
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@bmwilli bmwilli released this 19 Oct 00:33
1.2.0
458988d

Bug Fix

  • Sanitize metrics generated for prometheus based on streams metrics

Details

Prometheus does not handle special characters in metric names except for (underscore) and (colon). In Streams 4.3, the ThreadedSplit creates a metric named "streams_operator_nItemsQueued (port x)". This is not a valid prometheus metric and in prior version of streams-metric-exporter will cause a crash.
This fix sanitizes metrics to be valid. See the README.md for more details.

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