fix: Ensure LMDB store metrics have hard coded descriptions (#10642)

This PR is to fix some of the metrics.

Author: PhilWindle

yarn-project/archiver/src/archiver/instrumentation.ts

@@ -67,15 +67,6 @@ export class ArchiverInstrumentation {
 
     this.dbMetrics = new LmdbMetrics(
       meter,
-      {
-        description: 'Database map size for the archiver',
-      },
-      {
-        description: 'Database used size for the archiver',
-      },
-      {
-        description: 'Num items in the archiver database',
-      },
       {
         [Attributes.DB_DATA_TYPE]: 'archiver',
       },

yarn-project/p2p/src/mem_pools/instrumentation.ts

@@ -87,15 +87,6 @@ export class PoolInstrumentation<PoolObject extends Gossipable> {
 
     this.dbMetrics = new LmdbMetrics(
       meter,
-      {
-        description: 'Database map size for the Tx mempool',
-      },
-      {
-        description: 'Database used size for the Tx mempool',
-      },
-      {
-        description: 'Num items in database for the Tx mempool',
-      },
       {
         [Attributes.DB_DATA_TYPE]: 'tx-pool',
       },

yarn-project/prover-client/src/proving_broker/proving_broker_database/persisted.ts

@@ -13,13 +13,6 @@ export class KVBrokerDatabase implements ProvingBrokerDatabase {
   constructor(private store: AztecKVStore, client: TelemetryClient) {
     this.metrics = new LmdbMetrics(
       client.getMeter('KVBrokerDatabase'),
-      {
-        description: 'Database map size for the proving broker',
-      },
-      {
-        description: 'Database used size for the proving broker',
-      },
-      { description: 'Number of items in the broker database' },
       {
         [Attributes.DB_DATA_TYPE]: 'prover-broker',
       },

yarn-project/telemetry-client/src/lmdb_metrics.ts

@@ -7,35 +7,24 @@ import {
   ValueType,
 } from './telemetry.js';
 
-export type LmdbMetricDescriptor = {
-  description: string;
-};
-
 export type LmdbStatsCallback = () => { mappingSize: number; numItems: number; actualSize: number };
 
 export class LmdbMetrics {
   private dbMapSize: ObservableGauge;
   private dbUsedSize: ObservableGauge;
   private dbNumItems: ObservableGauge;
 
-  constructor(
-    meter: Meter,
-    dbMapSizeDescriptor: LmdbMetricDescriptor,
-    dbUsedSizeDescriptor: LmdbMetricDescriptor,
-    dbNumItemsDescriptor: LmdbMetricDescriptor,
-    private attributes?: Attributes,
-    private getStats?: LmdbStatsCallback,
-  ) {
+  constructor(meter: Meter, private attributes?: Attributes, private getStats?: LmdbStatsCallback) {
     this.dbMapSize = meter.createObservableGauge(DB_MAP_SIZE, {
-      description: dbMapSizeDescriptor.description,
+      description: 'LMDB Map Size',
       valueType: ValueType.INT,
     });
     this.dbUsedSize = meter.createObservableGauge(DB_USED_SIZE, {
-      description: dbUsedSizeDescriptor.description,
+      description: 'LMDB Used Size',
       valueType: ValueType.INT,
     });
     this.dbNumItems = meter.createObservableGauge(DB_NUM_ITEMS, {
-      description: dbNumItemsDescriptor.description,
+      description: 'LMDB Num Items',
       valueType: ValueType.INT,
     });