CassandraMetriccassandra_storage_count_hints
Number of hints waiting to be delivered to a downed nodeDimensions:None
Interface Metrics (3)
Native
Number of hints waiting to be delivered to a downed node
Dimensions:None
Sources
Knowledge Base (2 documents, 0 chunks)
guideApache Cassandra Monitoring with OpenTelemetry [including dashboards and alerts] | SigNoz3733 wordsscore: 0.95Comprehensive guide on monitoring Apache Cassandra using OpenTelemetry for metrics collection. Covers the complete architecture from JMX metrics exposure to OTel Collector integration with SigNoz, and provides detailed explanations of critical production metrics including latency, compaction, storage, and JVM health indicators.
troubleshootingKey Concepts: Cassandra Heap Issues666 wordsscore: 0.75This page provides troubleshooting guidance for Cassandra heap memory issues and Out Of Memory (OOM) exceptions. It explains common causes including memtables, read patterns, repair operations, and compactions, along with diagnostic approaches using nodetool commands and potential workarounds for heap pressure.
Related Insights (2)
Hinted Handoff Backlog Indicating Network Partitioncritical
Rising cassandra_storage_count_hints while all nodes appear up in nodetool status indicates silent network partitions or zombie nodes that accept gossip but fail write requests. This causes eventual consistency drift between replicas.
▸
Hints Accumulation Signals Silent Replica Failurecritical
Growing cassandra_storage_count_hints indicates a replica node is unreachable or unable to accept writes, forcing coordinators to buffer writes temporarily. Persistent growth during apparent cluster health suggests network partitions or zombie nodes.
▸