Discard tags with empty fields #92
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Labels with empty key or value are not allowed by the remote write spec, so if any seen tag contains them then they are not mapped to the related label.
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approved these changes
Dec 19, 2022
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Labels with empty key or value are not allowed by the remote write spec, so if any seen tag contains them then they are not mapped to the related label.
Prometheus server automatically discards them but other remote write implementations return a validation error. (e.g. Thanos).
Credits to @afajl that reports the issue.