> ## Documentation Index
> Fetch the complete documentation index at: https://docs.vortexiq.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Elasticsearch KPIs, Vortex IQ Nerve Centre

> Every Elasticsearch KPI Vortex IQ Nerve Centre tracks, with its audit profile and sentiment benchmarks.

**[Nerve Centre KPIs](/nerve-centre/kpi-cards/elasticsearch) · [Audit Profile](/nerve-centre/kpi-cards/elasticsearch/audit) · [Sentiment Settings](/nerve-centre/kpi-cards/elasticsearch/sentiment)**

Vortex IQ Nerve Centre tracks **33** KPI pulses for Elasticsearch. Each metric has its own page; the Audit and Sentiment tabs above cover the health checks and benchmark bands.

| Card                                                                                                                                         | Tier     | Category                       | Chart       |
| -------------------------------------------------------------------------------------------------------------------------------------------- | -------- | ------------------------------ | ----------- |
| [Active Node Count](/nerve-centre/kpi-cards/elasticsearch/active-node-count)                                                                 | Hero     | Cluster Health                 | kpi         |
| [Bulk Rejections (24h)](/nerve-centre/kpi-cards/elasticsearch/bulk-rejections-24h)                                                           | Hero     | Indexing                       | kpi         |
| [Cluster Not Green (yellow or red)](/nerve-centre/kpi-cards/elasticsearch/cluster-not-green-yellow-or-red)                                   | Hero     | Nerve Centre                   | alert\_list |
| [Cluster Status (green / yellow / red)](/nerve-centre/kpi-cards/elasticsearch/cluster-status-green-yellow-red)                               | Hero     | Executive Overview             | kpi         |
| [ES Product Index Doc Count vs Ecom Catalog](/nerve-centre/kpi-cards/elasticsearch/es-product-index-doc-count-vs-ecom-catalog)               | Hero     | Cross-Channel: Revenue at Risk | kpi         |
| [ES Search Pool Saturation vs Ecom Burst](/nerve-centre/kpi-cards/elasticsearch/es-search-pool-saturation-vs-ecom-burst)                     | Hero     | Cross-Channel: Revenue at Risk | table       |
| [Elasticsearch Health Score](/nerve-centre/kpi-cards/elasticsearch/elasticsearch-health-score)                                               | Hero     | Executive Overview             | gauge       |
| [HTTP Connection Saturation %](/nerve-centre/kpi-cards/elasticsearch/http-connection-saturation)                                             | Hero     | Capacity                       | gauge       |
| [Indexing Rate (docs/sec)](/nerve-centre/kpi-cards/elasticsearch/indexing-rate-docs-sec)                                                     | Hero     | Indexing                       | line        |
| [JVM Heap >85% Sustained or Circuit Breaker Tripped](/nerve-centre/kpi-cards/elasticsearch/jvm-heap-85-sustained-or-circuit-breaker-tripped) | Hero     | Nerve Centre                   | alert\_list |
| [JVM Heap Used %](/nerve-centre/kpi-cards/elasticsearch/jvm-heap-used)                                                                       | Hero     | Capacity                       | gauge       |
| [Last Snapshot Age (hours)](/nerve-centre/kpi-cards/elasticsearch/last-snapshot-age-hours)                                                   | Hero     | Backup                         | kpi         |
| [Replica Sync Lag](/nerve-centre/kpi-cards/elasticsearch/replica-sync-lag)                                                                   | Hero     | Replication & Shards           | kpi         |
| [Search Error Rate %](/nerve-centre/kpi-cards/elasticsearch/search-error-rate)                                                               | Hero     | Errors                         | gauge       |
| [Search Error Rate Spike (>1% in 5m)](/nerve-centre/kpi-cards/elasticsearch/search-error-rate-spike-1-in-5m)                                 | Hero     | Nerve Centre                   | alert\_list |
| [Search Latency p95 (ms)](/nerve-centre/kpi-cards/elasticsearch/search-latency-p95-ms)                                                       | Hero     | Performance                    | kpi         |
| [Search Latency p99 (ms)](/nerve-centre/kpi-cards/elasticsearch/search-latency-p99-ms)                                                       | Hero     | Performance                    | kpi         |
| [Search QPS Spike vs Ecom Traffic](/nerve-centre/kpi-cards/elasticsearch/search-qps-spike-vs-ecom-traffic)                                   | Hero     | Cross-Channel: Revenue at Risk | dual\_axis  |
| [Search Queries per Second (live)](/nerve-centre/kpi-cards/elasticsearch/search-queries-per-second-live)                                     | Hero     | Executive Overview             | kpi         |
| [Shard Size Skew %](/nerve-centre/kpi-cards/elasticsearch/shard-size-skew)                                                                   | Hero     | Replication & Shards           | gauge       |
| [Slow Searches During Checkout Window (5m)](/nerve-centre/kpi-cards/elasticsearch/slow-searches-during-checkout-window-5m)                   | Hero     | Cross-Channel: Revenue at Risk | table       |
| [Slow-Query Rate %](/nerve-centre/kpi-cards/elasticsearch/slow-query-rate)                                                                   | Hero     | Performance                    | gauge       |
| [Storage Usage %](/nerve-centre/kpi-cards/elasticsearch/storage-usage)                                                                       | Hero     | Executive Overview             | gauge       |
| [Unassigned Shards](/nerve-centre/kpi-cards/elasticsearch/unassigned-shards)                                                                 | Hero     | Cluster Health                 | kpi         |
| [Avg Index Refresh Time (ms)](/nerve-centre/kpi-cards/elasticsearch/avg-index-refresh-time-ms)                                               | Standard | Indexing                       | kpi         |
| [Circuit Breaker Trips (24h)](/nerve-centre/kpi-cards/elasticsearch/circuit-breaker-trips-24h)                                               | Standard | Capacity                       | kpi         |
| [GC Pause Time (5m total ms)](/nerve-centre/kpi-cards/elasticsearch/gc-pause-time-5m-total-ms)                                               | Standard | Capacity                       | kpi         |
| [HTTP Connections In Use](/nerve-centre/kpi-cards/elasticsearch/http-connections-in-use)                                                     | Standard | Capacity                       | kpi         |
| [Initializing / Relocating Shards](/nerve-centre/kpi-cards/elasticsearch/initializing-relocating-shards)                                     | Standard | Cluster Health                 | kpi         |
| [Pending Cluster Tasks](/nerve-centre/kpi-cards/elasticsearch/pending-cluster-tasks)                                                         | Standard | Cluster Health                 | kpi         |
| [Search Latency p50 (ms)](/nerve-centre/kpi-cards/elasticsearch/search-latency-p50-ms)                                                       | Standard | Performance                    | kpi         |
| [Top 10 Slow Searches](/nerve-centre/kpi-cards/elasticsearch/top-10-slow-searches)                                                           | Standard | Performance                    | table       |
| [Total Shards (primary + replica)](/nerve-centre/kpi-cards/elasticsearch/total-shards-primary-replica)                                       | Standard | Replication & Shards           | kpi         |