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*: changed reorg gauge to historgram #3796

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Merged
obol-bulldozer merged 1 commit into from
Jun 10, 2025
Merged

*: changed reorg gauge to historgram #3796

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2 changes: 1 addition & 1 deletion app/sse/listener.go
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Original file line number Diff line number Diff line change
Expand Up @@ -165,7 +165,7 @@ func (p *listener) handleChainReorgEvent(ctx context.Context, event *event, addr
z.Str("old_head_block", chainReorg.OldHeadBlock),
z.Str("new_head_block", chainReorg.NewHeadBlock))

sseChainReorgDepthGauge.WithLabelValues(addr).Set(float64(depth))
sseChainReorgDepthHistogram.WithLabelValues(addr).Observe(float64(depth))

return nil
}
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3 changes: 2 additions & 1 deletion app/sse/metrics.go
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Expand Up @@ -24,10 +24,11 @@ var (
Buckets: []float64{8, 9, 10, 11, 12, 14, 16, 20},
}, []string{"addr"})

sseChainReorgDepthGauge = promauto.NewGaugeVec(prometheus.GaugeOpts{
sseChainReorgDepthHistogram = promauto.NewHistogramVec(prometheus.HistogramOpts{
Namespace: "app",
Subsystem: "beacon_node",
Name: "sse_chain_reorg_depth",
Help: "Chain reorg depth, supplied by beacon node's SSE endpoint",
Buckets: []float64{1, 2, 4, 6, 8, 16},
}, []string{"addr"})
)
2 changes: 1 addition & 1 deletion docs/metrics.md
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Expand Up @@ -14,7 +14,7 @@ when storing metrics from multiple nodes or clusters in one Prometheus instance.
| Name | Type | Help | Labels |
|---|---|---|---|
| `app_beacon_node_peers` | Gauge | Gauge set to the peer count of the upstream beacon node | |
| `app_beacon_node_sse_chain_reorg_depth` | Gauge | Chain reorg depth, supplied by beacon node`s SSE endpoint | `addr` |
| `app_beacon_node_sse_chain_reorg_depth` | Histogram | Chain reorg depth, supplied by beacon node`s SSE endpoint | `addr` |
| `app_beacon_node_sse_head_delay` | Histogram | Delay in seconds between slot start and head update, supplied by beacon node`s SSE endpoint. Values between 8s and 12s for Ethereum mainnet are considered safe. | `addr` |
| `app_beacon_node_sse_head_slot` | Gauge | Current beacon node head slot, supplied by beacon node`s SSE endpoint | `addr` |
| `app_beacon_node_version` | Gauge | Constant gauge with label set to the node version of the upstream beacon node | `version` |
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