Node Down (DN) or Gossip Flapping, Apache Cassandra KPI card, Vortex IQ Nerve Centre

Category: Nerve Centre
Type: Key Metrics
Chart: alert_list
Format: number
Time window: RT
Alert trigger: any endpoint in DN state OR gossip marks peer DOWN

Nerve Centre KPIs · Audit Profile · Sentiment Settings

At a glance

Cassandra-distinctive - a DN node reduces replica availability; sustained = consistency-level failures imminent. Page on-call.

Known limitations, FAQs, or reconciliation notes specific to this card. Replace this block when authored.