Elasticsearch

Sensor (Data Collection)

Node-Level

Tracked Configuration

  • Version
  • Cluster
  • Node-name
  • Node-type
  • Master, Master Eligible
  • Transport
  • Log Directory
  • Shards
  • Indices

Metrics

  • Search Performance, Throughput
  • Indices
  • Shards
  • Documents
  • Refresh and Flush
  • Lucene Segments
  • Rejected Threads
  • Queued Threads

Health Signatures

  • Rebalancing
  • High Heap Usage
  • Node Capacity Limit
  • Health Status
  • Heap Overallocation
  • Response Time
  • Calls
  • Error Rate

Cluster-Level

Tracked Configuration

  • Name
  • Health
  • Nodes, Masters

Metrics

  • Search Performance, Throughput
  • Indices
  • Shards
  • Documents
  • Cluster Nodes

Health Signatures

  • Cluster Health
  • Split Brain (*)
  • Response Time
  • Calls
  • Error Rate
  • Scaling

(*) Note: Split Brain will be triggered for environments with two Elastic clusters with the same name.