Arbitrum-Sepolia: Block ingestor lagging behind

Incident Report for The Graph

Resolved

This incident has been resolved.

Posted Oct 10, 2025 - 19:56 UTC

Investigating

[FIRING:1] Arbitrum-Sepolia: Block ingestor lagging behind Production (partial_outage indexers P2-High true Tech Support)
https://thegraph.grafana.net/alerting/list

**Firing**

Value: [no value]
Labels:
- alertname = Arbitrum-Sepolia: Block ingestor lagging behind
- cmp = partial_outage
- component = indexers
- grafana_folder = Production
- priority = P2-High
- statuspage = true
- team = Tech Support
Annotations:
- Error = [sse.dataQueryError] failed to execute query [A]: Post "https://victoria-metrics.thegraph.com/select/105542/prometheus/api/v1/query": dial tcp 104.18.40.31:443: i/o timeout
- description = Triggered when the block ingestor is lagging
- grafana_state_reason = Error
- statuspage = Arbitrum-Sepolia: Block ingestor lagging behind
Source: https://thegraph.grafana.net/alerting/grafana/edjeivgjdk54wd/view?orgId=1
Silence: https://thegraph.grafana.net/alerting/silence/new?alertmanager=grafana&matcher=__alert_rule_uid__%3Dedjeivgjdk54wd&matcher=cmp%3Dpartial_outage&matcher=component%3Dindexers&matcher=priority%3DP2-High&matcher=statuspage%3Dtrue&matcher=team%3DTech+Support&orgId=1
Dashboard: https://thegraph.grafana.net/d/7rcuDImZk?from=1760121330000&orgId=1&to=1760124967807
Panel: https://thegraph.grafana.net/d/7rcuDImZk?from=1760121330000&orgId=1&to=1760124967807&viewPanel=139

Posted Oct 10, 2025 - 19:36 UTC