services.prometheus.scrapeConfigs.*.label_value_length_limit
NixOS option
Per-scrape limit on length of labels value that will be accepted for a sample. If a label value is longer than this number post metric-relabeling, the entire scrape will be treated as failed. 0 means no limit. Defaults to 0 in prometheus when set to null.
type: null or signed integerDefault
declared in: nixos/modules/services/monitoring/prometheus/default.nixView source on NixOS/nixpkgs →null