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Chris Lu
08d59750ef
* rust(volume): export Prometheus metrics for scrubbing operations Mirrors #9264 in the Rust volume server. Adds three metrics that match the Go names so the same dashboards/alerts work against either binary: - SeaweedFS_volumeServer_scrub_last_time_seconds (gauge) - SeaweedFS_volumeServer_scrub_volume_failures (counter) - SeaweedFS_volumeServer_scrub_shard_failures (counter) Metrics are aggregated at the volume / EC shard level, labelled by VolumeScrubMode (UNKNOWN/INDEX/FULL/LOCAL) to match Go's req.GetMode().String(). * rust(volume): record scrub metrics before post-scrub error check Address PR feedback: - Move metric emission before the mark_broken_volumes_readonly error check so scrub failures are persisted even when the follow-up mark-readonly admin action fails (matches Go's volume_grpc_scrub.go). - Extract the duplicated metric block into emit_scrub_metrics() shared by both ScrubVolume and ScrubEcVolume. The shard-failures family stays untouched on regular volume scrubs to mirror Go.