| Cluster Status | Red: Some primary shards unassigned. Yellow: Some replica shards unassigned. Green: All shards assigned OK | |
| Version | | |
| Node Count | Total number of nodes in cluster, including successful and failed node counts | Count |
| Data Node Count | Total number of data nodes | Count |
| Shard Count | Number of active shards in cluster | Count |
| Primary Shard Count | Number of primary active shards in cluster | Count |
| Relocating Shards | Count of shards moving due to node loss in cluster | Count |
| Initializing Shards | Count of shards initializing due to index addition in cluster | Count |
| Unassigned Shards | Count of shards not yet created or assigned replicas in cluster | Count |
| Delayed Unassigned Shards | Delayed unassigned shards in cluster | Count |
| Max Write Latency | Maximum write latency of all nodes in cluster, write latency refers to average time per write | ms/operation |
| Max Query Latency | Maximum query latency of all nodes in cluster, query latency refers to average time per query | ms/operation |
| Throughput (Search) | Search rate | Count/s |
| Throughput (Index) | Index rate | Count/s |
| Document Count | Number of documents in Elasticsearch cluster | Count |
| Storage Capacity | Elasticsearch storage size | Bytes |
| Query Rejections | Average connections rejected per second by Elasticsearch cluster connection pool | Count/s |
| Write Rejections | Average connections rejected per second by Elasticsearch cluster connection pool | Count/s |
| CPU Usage | Maximum CPU usage of all nodes in cluster | |
| Memory Usage | Maximum memory usage of all nodes in cluster | |
| Heap Usage | Maximum heap memory usage of all nodes in cluster | |
| Minor GC Count | Maximum Minor GC count per minute of all nodes in cluster | |
| Major GC Count | Maximum Major GC count per minute of all nodes in cluster | |
| Minor GC Time | Minor GC time per minute of all nodes in cluster | |
| Major GC Time | Major GC time per minute of all nodes in cluster | |