From eb55c3c3da8d54c5ad15a1384c9ae707f7739a55 Mon Sep 17 00:00:00 2001
From: joshieDo <93316087+joshieDo@users.noreply.github.com>
Date: Wed, 21 Jan 2026 22:09:42 +0000
Subject: [PATCH] feat(grafana): add RocksDB metrics dashboard (#21243)

Co-authored-by: Amp <amp@ampcode.com>
---
 crates/node/builder/src/launch/common.rs      |   4 +
 crates/node/metrics/src/server.rs             |  21 +
 crates/storage/provider/Cargo.toml            |   2 +-
 .../src/providers/rocksdb/provider.rs         |  38 +
 .../provider/src/providers/rocksdb_stub.rs    |   9 +-
 etc/grafana/dashboards/overview.json          | 851 ++++++++++++++++--
 6 files changed, 845 insertions(+), 80 deletions(-)

diff --git a/crates/node/builder/src/launch/common.rs b/crates/node/builder/src/launch/common.rs
index d97ecab876..c9237ac63b 100644
--- a/crates/node/builder/src/launch/common.rs
+++ b/crates/node/builder/src/launch/common.rs
@@ -1277,6 +1277,10 @@ pub fn metrics_hooks<N: NodeTypesWithDB>(provider_factory: &ProviderFactory<N>)
                 })
             }
         })
+        .with_hook({
+            let rocksdb = provider_factory.rocksdb_provider();
+            move || throttle!(Duration::from_secs(5 * 60), || rocksdb.report_metrics())
+        })
         .build()
 }
 
diff --git a/crates/node/metrics/src/server.rs b/crates/node/metrics/src/server.rs
index 4777e26853..ea24e6572e 100644
--- a/crates/node/metrics/src/server.rs
+++ b/crates/node/metrics/src/server.rs
@@ -106,6 +106,7 @@ impl MetricServer {
         // Describe metrics after recorder installation
         describe_db_metrics();
         describe_static_file_metrics();
+        describe_rocksdb_metrics();
         Collector::default().describe();
         describe_memory_stats();
         describe_io_stats();
@@ -238,6 +239,26 @@ fn describe_static_file_metrics() {
     );
 }
 
+fn describe_rocksdb_metrics() {
+    describe_gauge!(
+        "rocksdb.table_size",
+        Unit::Bytes,
+        "The estimated size of a RocksDB table (SST + memtable)"
+    );
+    describe_gauge!("rocksdb.table_entries", "The estimated number of keys in a RocksDB table");
+    describe_gauge!(
+        "rocksdb.pending_compaction_bytes",
+        Unit::Bytes,
+        "Bytes pending compaction for a RocksDB table"
+    );
+    describe_gauge!("rocksdb.sst_size", Unit::Bytes, "The size of SST files for a RocksDB table");
+    describe_gauge!(
+        "rocksdb.memtable_size",
+        Unit::Bytes,
+        "The size of memtables for a RocksDB table"
+    );
+}
+
 #[cfg(all(feature = "jemalloc", unix))]
 fn describe_memory_stats() {
     describe_gauge!(
diff --git a/crates/storage/provider/Cargo.toml b/crates/storage/provider/Cargo.toml
index 2aa30ab1b9..677c1c642b 100644
--- a/crates/storage/provider/Cargo.toml
+++ b/crates/storage/provider/Cargo.toml
@@ -85,7 +85,7 @@ rand.workspace = true
 tokio = { workspace = true, features = ["sync", "macros", "rt-multi-thread"] }
 
 [features]
-edge = ["reth-storage-api/edge"]
+edge = ["reth-storage-api/edge", "rocksdb"]
 rocksdb = ["dep:rocksdb"]
 test-utils = [
     "reth-db/test-utils",
diff --git a/crates/storage/provider/src/providers/rocksdb/provider.rs b/crates/storage/provider/src/providers/rocksdb/provider.rs
index 7824059086..d866f59cd9 100644
--- a/crates/storage/provider/src/providers/rocksdb/provider.rs
+++ b/crates/storage/provider/src/providers/rocksdb/provider.rs
@@ -3,9 +3,11 @@ use crate::providers::{compute_history_rank, needs_prev_shard_check, HistoryInfo
 use alloy_consensus::transaction::TxHashRef;
 use alloy_primitives::{Address, BlockNumber, TxNumber, B256};
 use itertools::Itertools;
+use metrics::Label;
 use parking_lot::Mutex;
 use reth_chain_state::ExecutedBlock;
 use reth_db_api::{
+    database_metrics::DatabaseMetrics,
     models::{
         sharded_key::NUM_OF_INDICES_IN_SHARD, storage_sharded_key::StorageShardedKey, ShardedKey,
         StorageSettings,
@@ -529,6 +531,42 @@ impl Clone for RocksDBProvider {
     }
 }
 
+impl DatabaseMetrics for RocksDBProvider {
+    fn gauge_metrics(&self) -> Vec<(&'static str, f64, Vec<Label>)> {
+        let mut metrics = Vec::new();
+
+        for stat in self.table_stats() {
+            metrics.push((
+                "rocksdb.table_size",
+                stat.estimated_size_bytes as f64,
+                vec![Label::new("table", stat.name.clone())],
+            ));
+            metrics.push((
+                "rocksdb.table_entries",
+                stat.estimated_num_keys as f64,
+                vec![Label::new("table", stat.name.clone())],
+            ));
+            metrics.push((
+                "rocksdb.pending_compaction_bytes",
+                stat.pending_compaction_bytes as f64,
+                vec![Label::new("table", stat.name.clone())],
+            ));
+            metrics.push((
+                "rocksdb.sst_size",
+                stat.sst_size_bytes as f64,
+                vec![Label::new("table", stat.name.clone())],
+            ));
+            metrics.push((
+                "rocksdb.memtable_size",
+                stat.memtable_size_bytes as f64,
+                vec![Label::new("table", stat.name)],
+            ));
+        }
+
+        metrics
+    }
+}
+
 impl RocksDBProvider {
     /// Creates a new `RocksDB` provider.
     pub fn new(path: impl AsRef<Path>) -> ProviderResult<Self> {
diff --git a/crates/storage/provider/src/providers/rocksdb_stub.rs b/crates/storage/provider/src/providers/rocksdb_stub.rs
index c671964c9e..5125c7e571 100644
--- a/crates/storage/provider/src/providers/rocksdb_stub.rs
+++ b/crates/storage/provider/src/providers/rocksdb_stub.rs
@@ -5,8 +5,9 @@
 //! All method calls are cfg-guarded in the calling code, so only type definitions are needed here.
 
 use alloy_primitives::BlockNumber;
+use metrics::Label;
 use parking_lot::Mutex;
-use reth_db_api::models::StorageSettings;
+use reth_db_api::{database_metrics::DatabaseMetrics, models::StorageSettings};
 use reth_prune_types::PruneMode;
 use reth_storage_errors::{db::LogLevel, provider::ProviderResult};
 use std::{path::Path, sync::Arc};
@@ -82,6 +83,12 @@ impl RocksDBProvider {
     }
 }
 
+impl DatabaseMetrics for RocksDBProvider {
+    fn gauge_metrics(&self) -> Vec<(&'static str, f64, Vec<Label>)> {
+        vec![]
+    }
+}
+
 /// A stub batch writer for `RocksDB`.
 #[derive(Debug)]
 pub struct RocksDBBatch;
diff --git a/etc/grafana/dashboards/overview.json b/etc/grafana/dashboards/overview.json
index ac65f47932..b81d90c622 100644
--- a/etc/grafana/dashboards/overview.json
+++ b/etc/grafana/dashboards/overview.json
@@ -163,7 +163,9 @@
         "orientation": "auto",
         "percentChangeColorMode": "standard",
         "reduceOptions": {
-          "calcs": ["lastNotNull"],
+          "calcs": [
+            "lastNotNull"
+          ],
           "fields": "",
           "values": false
         },
@@ -231,7 +233,9 @@
         "orientation": "auto",
         "percentChangeColorMode": "standard",
         "reduceOptions": {
-          "calcs": ["lastNotNull"],
+          "calcs": [
+            "lastNotNull"
+          ],
           "fields": "",
           "values": false
         },
@@ -299,7 +303,9 @@
         "orientation": "auto",
         "percentChangeColorMode": "standard",
         "reduceOptions": {
-          "calcs": ["lastNotNull"],
+          "calcs": [
+            "lastNotNull"
+          ],
           "fields": "",
           "values": false
         },
@@ -367,7 +373,9 @@
         "orientation": "auto",
         "percentChangeColorMode": "standard",
         "reduceOptions": {
-          "calcs": ["lastNotNull"],
+          "calcs": [
+            "lastNotNull"
+          ],
           "fields": "",
           "values": false
         },
@@ -435,7 +443,9 @@
         "orientation": "auto",
         "percentChangeColorMode": "standard",
         "reduceOptions": {
-          "calcs": ["lastNotNull"],
+          "calcs": [
+            "lastNotNull"
+          ],
           "fields": "",
           "values": false
         },
@@ -503,7 +513,9 @@
         "orientation": "auto",
         "percentChangeColorMode": "standard",
         "reduceOptions": {
-          "calcs": ["lastNotNull"],
+          "calcs": [
+            "lastNotNull"
+          ],
           "fields": "",
           "values": false
         },
@@ -583,7 +595,9 @@
         "minVizWidth": 75,
         "orientation": "auto",
         "reduceOptions": {
-          "calcs": ["lastNotNull"],
+          "calcs": [
+            "lastNotNull"
+          ],
           "fields": "",
           "values": false
         },
@@ -657,7 +671,9 @@
         "namePlacement": "auto",
         "orientation": "horizontal",
         "reduceOptions": {
-          "calcs": ["lastNotNull"],
+          "calcs": [
+            "lastNotNull"
+          ],
           "fields": "",
           "values": false
         },
@@ -757,7 +773,9 @@
         "orientation": "auto",
         "percentChangeColorMode": "standard",
         "reduceOptions": {
-          "calcs": ["lastNotNull"],
+          "calcs": [
+            "lastNotNull"
+          ],
           "fields": "",
           "values": false
         },
@@ -810,12 +828,25 @@
             "uid": "${datasource}"
           },
           "editorMode": "code",
-          "expr": "sum(reth_db_table_size{$instance_label=\"$instance\"}) + sum(reth_db_freelist{$instance_label=\"$instance\"} * reth_db_page_size{$instance_label=\"$instance\"}) + sum(reth_static_files_segment_size{$instance_label=\"$instance\"})",
+          "expr": "sum(reth_rocksdb_table_size{$instance_label=\"$instance\"}) or vector(0)",
+          "hide": false,
+          "instant": false,
+          "legendFormat": "RocksDB",
+          "range": true,
+          "refId": "D"
+        },
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "${datasource}"
+          },
+          "editorMode": "code",
+          "expr": "sum(reth_db_table_size{$instance_label=\"$instance\"}) + sum(reth_db_freelist{$instance_label=\"$instance\"} * reth_db_page_size{$instance_label=\"$instance\"}) + sum(reth_static_files_segment_size{$instance_label=\"$instance\"}) + (sum(reth_rocksdb_table_size{$instance_label=\"$instance\"}) or vector(0))",
           "hide": false,
           "instant": false,
           "legendFormat": "Total",
           "range": true,
-          "refId": "D"
+          "refId": "E"
         }
       ],
       "title": "Storage size",
@@ -3480,7 +3511,9 @@
               "id": "byNames",
               "options": {
                 "mode": "exclude",
-                "names": ["Precompile cache hits"],
+                "names": [
+                  "Precompile cache hits"
+                ],
                 "prefix": "All except:",
                 "readOnly": true
               }
@@ -4905,7 +4938,7 @@
           "color": "rgba(255,0,255,0.7)"
         },
         "filterValues": {
-          "le": 1e-9
+          "le": 1E-9
         },
         "legend": {
           "show": true
@@ -5223,7 +5256,10 @@
               {
                 "id": "custom.lineStyle",
                 "value": {
-                  "dash": [0, 10],
+                  "dash": [
+                    0,
+                    10
+                  ],
                   "fill": "dot"
                 }
               },
@@ -5381,7 +5417,10 @@
               {
                 "id": "custom.lineStyle",
                 "value": {
-                  "dash": [0, 10],
+                  "dash": [
+                    0,
+                    10
+                  ],
                   "fill": "dot"
                 }
               },
@@ -5496,16 +5535,22 @@
       },
       "id": 48,
       "options": {
-        "displayLabels": ["name"],
+        "displayLabels": [
+          "name"
+        ],
         "legend": {
           "displayMode": "table",
           "placement": "right",
           "showLegend": true,
-          "values": ["value"]
+          "values": [
+            "value"
+          ]
         },
         "pieType": "pie",
         "reduceOptions": {
-          "calcs": ["lastNotNull"],
+          "calcs": [
+            "lastNotNull"
+          ],
           "fields": "",
           "values": false
         },
@@ -5672,11 +5717,15 @@
           "displayMode": "table",
           "placement": "right",
           "showLegend": true,
-          "values": ["value"]
+          "values": [
+            "value"
+          ]
         },
         "pieType": "pie",
         "reduceOptions": {
-          "calcs": ["lastNotNull"],
+          "calcs": [
+            "lastNotNull"
+          ],
           "fields": "",
           "values": false
         },
@@ -6106,16 +6155,22 @@
       },
       "id": 202,
       "options": {
-        "displayLabels": ["name"],
+        "displayLabels": [
+          "name"
+        ],
         "legend": {
           "displayMode": "table",
           "placement": "right",
           "showLegend": true,
-          "values": ["value"]
+          "values": [
+            "value"
+          ]
         },
         "pieType": "pie",
         "reduceOptions": {
-          "calcs": ["lastNotNull"],
+          "calcs": [
+            "lastNotNull"
+          ],
           "fields": "",
           "values": false
         },
@@ -6642,6 +6697,512 @@
         "x": 0,
         "y": 202
       },
+      "id": 1008,
+      "panels": [],
+      "title": "RocksDB",
+      "type": "row"
+    },
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "${datasource}"
+      },
+      "description": "Size of each RocksDB table (SST files + memtables)",
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "palette-classic"
+          },
+          "custom": {
+            "hideFrom": {
+              "legend": false,
+              "tooltip": false,
+              "viz": false
+            }
+          },
+          "mappings": [],
+          "unit": "bytes"
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 8,
+        "w": 8,
+        "x": 0,
+        "y": 203
+      },
+      "id": 1009,
+      "options": {
+        "displayLabels": [
+          "name"
+        ],
+        "legend": {
+          "displayMode": "table",
+          "placement": "right",
+          "showLegend": true,
+          "values": [
+            "value"
+          ]
+        },
+        "pieType": "pie",
+        "reduceOptions": {
+          "calcs": [
+            "lastNotNull"
+          ],
+          "fields": "",
+          "values": false
+        },
+        "sort": "desc",
+        "tooltip": {
+          "hideZeros": false,
+          "mode": "single",
+          "sort": "none"
+        }
+      },
+      "pluginVersion": "12.2.1",
+      "targets": [
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "${datasource}"
+          },
+          "editorMode": "code",
+          "expr": "reth_rocksdb_table_size{$instance_label=\"$instance\"}",
+          "legendFormat": "{{table}}",
+          "range": true,
+          "refId": "A"
+        }
+      ],
+      "title": "RocksDB Tables Size",
+      "type": "piechart"
+    },
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "${datasource}"
+      },
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "thresholds"
+          },
+          "custom": {
+            "align": "left",
+            "cellOptions": {
+              "type": "auto"
+            },
+            "inspect": false
+          },
+          "mappings": [],
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "green",
+                "value": null
+              }
+            ]
+          },
+          "unit": "none"
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 8,
+        "w": 8,
+        "x": 8,
+        "y": 203
+      },
+      "id": 1010,
+      "options": {
+        "cellHeight": "sm",
+        "footer": {
+          "countRows": false,
+          "fields": "",
+          "reducer": [
+            "sum"
+          ],
+          "show": false
+        },
+        "showHeader": true,
+        "sortBy": [
+          {
+            "desc": true,
+            "displayName": "Value"
+          }
+        ]
+      },
+      "pluginVersion": "12.2.1",
+      "targets": [
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "${datasource}"
+          },
+          "editorMode": "code",
+          "expr": "reth_rocksdb_table_entries{$instance_label=\"$instance\"}",
+          "format": "table",
+          "legendFormat": "__auto",
+          "range": true,
+          "refId": "A"
+        }
+      ],
+      "title": "RocksDB Entries per Table",
+      "transformations": [
+        {
+          "id": "groupBy",
+          "options": {
+            "fields": {
+              "Value": {
+                "aggregations": [
+                  "lastNotNull"
+                ],
+                "operation": "aggregate"
+              },
+              "table": {
+                "aggregations": [],
+                "operation": "groupby"
+              }
+            }
+          }
+        },
+        {
+          "id": "sortBy",
+          "options": {
+            "fields": {},
+            "sort": [
+              {
+                "desc": true,
+                "field": "Value (lastNotNull)"
+              }
+            ]
+          }
+        },
+        {
+          "id": "organize",
+          "options": {
+            "renameByName": {
+              "table": "Table",
+              "Value (lastNotNull)": "Entries"
+            }
+          }
+        }
+      ],
+      "type": "table"
+    },
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "${datasource}"
+      },
+      "description": "Bytes pending compaction per table",
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "thresholds"
+          },
+          "custom": {
+            "align": "left",
+            "cellOptions": {
+              "type": "auto"
+            },
+            "inspect": false
+          },
+          "mappings": [],
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "green",
+                "value": null
+              }
+            ]
+          },
+          "unit": "decbytes"
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 8,
+        "w": 8,
+        "x": 16,
+        "y": 203
+      },
+      "id": 1011,
+      "options": {
+        "cellHeight": "sm",
+        "footer": {
+          "countRows": false,
+          "fields": "",
+          "reducer": [
+            "sum"
+          ],
+          "show": false
+        },
+        "showHeader": true,
+        "sortBy": [
+          {
+            "desc": true,
+            "displayName": "Value"
+          }
+        ]
+      },
+      "pluginVersion": "12.2.1",
+      "targets": [
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "${datasource}"
+          },
+          "editorMode": "code",
+          "expr": "reth_rocksdb_pending_compaction_bytes{$instance_label=\"$instance\"}",
+          "format": "table",
+          "legendFormat": "__auto",
+          "range": true,
+          "refId": "A"
+        }
+      ],
+      "title": "RocksDB Pending Compaction",
+      "transformations": [
+        {
+          "id": "groupBy",
+          "options": {
+            "fields": {
+              "Value": {
+                "aggregations": [
+                  "lastNotNull"
+                ],
+                "operation": "aggregate"
+              },
+              "table": {
+                "aggregations": [],
+                "operation": "groupby"
+              }
+            }
+          }
+        },
+        {
+          "id": "sortBy",
+          "options": {
+            "fields": {},
+            "sort": [
+              {
+                "desc": true,
+                "field": "Value (lastNotNull)"
+              }
+            ]
+          }
+        },
+        {
+          "id": "organize",
+          "options": {
+            "renameByName": {
+              "table": "Table",
+              "Value (lastNotNull)": "Pending Bytes"
+            }
+          }
+        }
+      ],
+      "type": "table"
+    },
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "${datasource}"
+      },
+      "description": "Total RocksDB size over time",
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "palette-classic"
+          },
+          "custom": {
+            "axisBorderShow": false,
+            "axisCenteredZero": false,
+            "axisColorMode": "text",
+            "axisLabel": "",
+            "axisPlacement": "auto",
+            "barAlignment": 0,
+            "barWidthFactor": 0.6,
+            "drawStyle": "line",
+            "fillOpacity": 0,
+            "gradientMode": "none",
+            "hideFrom": {
+              "legend": false,
+              "tooltip": false,
+              "viz": false
+            },
+            "insertNulls": false,
+            "lineInterpolation": "linear",
+            "lineWidth": 1,
+            "pointSize": 5,
+            "scaleDistribution": {
+              "type": "linear"
+            },
+            "showPoints": "auto",
+            "spanNulls": false,
+            "stacking": {
+              "group": "A",
+              "mode": "none"
+            },
+            "thresholdsStyle": {
+              "mode": "off"
+            }
+          },
+          "mappings": [],
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "green",
+                "value": null
+              }
+            ]
+          },
+          "unit": "bytes"
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 8,
+        "w": 6,
+        "x": 12,
+        "y": 211
+      },
+      "id": 1012,
+      "options": {
+        "legend": {
+          "calcs": [],
+          "displayMode": "list",
+          "placement": "bottom",
+          "showLegend": true
+        },
+        "tooltip": {
+          "hideZeros": false,
+          "mode": "single",
+          "sort": "none"
+        }
+      },
+      "pluginVersion": "12.2.1",
+      "targets": [
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "${datasource}"
+          },
+          "editorMode": "code",
+          "expr": "sum by (job) ( reth_rocksdb_table_size{$instance_label=\"$instance\"} )",
+          "legendFormat": "__auto",
+          "range": true,
+          "refId": "A"
+        }
+      ],
+      "title": "RocksDB Growth",
+      "type": "timeseries"
+    },
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "${datasource}"
+      },
+      "description": "Pending compaction bytes over time",
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "palette-classic"
+          },
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