{
  "id": "node-metrics",
  "title": "Node metrics",
  "url": "https://redis.io/docs/latest/operate/rs/7.8/references/rest-api/objects/statistics/node-metrics/",
  "summary": "Documents the node metrics used with Redis Enterprise Software REST API calls.",
  "content": "\n| Metric name | Type | Description |\n|-------------|------|-------------|\n| available_flash | float | Available flash on the node (bytes) |\n| available_memory | float | Available RAM on the node (bytes) |\n| avg_latency | float | Average latency of requests handled by endpoints on the node (micro-sec); returned only when there is traffic |\n| bigstore_free | float | Free space of backend flash (used by flash DB's BigRedis) (bytes); returned only when BigRedis is enabled |\n| bigstore_iops | float | Rate of I/O operations against backend flash for all shards which are part of a flash-based DB (BigRedis) on the node (ops/sec); returned only when BigRedis is enabled |\n| bigstore_kv_ops | float | Rate of value read/write operations against backend flash for all shards which are part of a flash-based DB (BigRedis) on the node (ops/sec); returned only when BigRedis is enabled |\n| bigstore_throughput | float | Throughput of I/O operations against backend flash for all shards which are part of a flash-based DB (BigRedis) on the node (bytes/sec); returned only when BigRedis is enabled |\n| conns | float | Number of clients connected to endpoints on the node |\n| cpu_idle | float | CPU idle time portion (0-1, multiply by 100 to get percent) |\n| cpu_system | float | CPU time portion spent in kernel (0-1, multiply by 100 to get percent) |\n| cpu_user | float | CPU time portion spent by users-pace processes (0-1, multiply by 100 to get percent) |\n| cur_aof_rewrites | float | Number of current AOF rewrites by shards on this node |\n| egress_bytes | float | Rate of outgoing network traffic to the node (bytes/sec) |\n| ephemeral_storage_avail | float | Disk space available to Redis Enterprise processes on configured ephemeral disk (bytes) |\n| ephemeral_storage_free | float | Free disk space on configured ephemeral disk (bytes) |\n| free_memory | float | Free memory on the node (bytes) |\n| ingress_bytes | float | Rate of incoming network traffic to the node (bytes/sec) |\n| persistent_storage_avail | float | Disk space available to Redis Enterprise processes on configured persistent disk (bytes) |\n| persistent_storage_free | float | Free disk space on configured persistent disk (bytes) |\n| provisional_flash | float | Amount of flash available for new shards on this node, taking into account overbooking, max Redis servers, reserved flash, and provision and migration thresholds (bytes) |\n| provisional_memory | float | Amount of RAM available for new shards on this node, taking into account overbooking, max Redis servers, reserved memory, and provision and migration thresholds (bytes) |\n| total_req | float | Request rate handled by endpoints on the node (ops/sec) |\n",
  "tags": ["docs","operate","rs"],
  "last_updated": "2026-04-01T08:10:08-05:00"
}