flush with cache stored records size

packages/node-core/src/configure/NodeConfig.ts

@@ -45,6 +45,7 @@ export interface IConfig {
   readonly pgCa?: string;
   readonly pgKey?: string;
   readonly pgCert?: string;
+  readonly storeCacheThreshold: number;
 }
 
 export type MinConfig = Partial<Omit<IConfig, 'subquery'>> & Pick<IConfig, 'subquery'>;
@@ -66,6 +67,7 @@ const DEFAULT_CONFIG = {
   disableHistorical: false,
   multiChain: false,
   unfinalizedBlocks: false,
+  storeCacheThreshold: 300,
 };
 
 export class NodeConfig implements IConfig {
@@ -109,6 +111,10 @@ export class NodeConfig implements IConfig {
     return this._config.batchSize;
   }
 
+  get storeCacheThreshold(): number {
+    return this._config.storeCacheThreshold;
+  }
+
   get networkEndpoint(): string | undefined {
     return this._config.networkEndpoint;
   }

packages/node-core/src/indexer/storeCache/cacheMetadata.ts

@@ -20,6 +20,8 @@ export class CacheMetadataModel implements ICachedModelControl<any> {
   // Needed for dynamic datasources
   private getCache: Partial<MetadataKeys> = {};
 
+  flushableRecordCounter = 0;
+
   constructor(readonly model: MetadataRepo) {}
 
   async find<K extends MetadataKey>(key: K): Promise<MetadataKeys[K] | undefined> {
@@ -37,6 +39,9 @@ export class CacheMetadataModel implements ICachedModelControl<any> {
 
   set<K extends MetadataKey>(key: K, value: MetadataKeys[K]): void {
     guardBlockedKeys(key);
+    if (this.setCache[key] === undefined) {
+      this.flushableRecordCounter += 1;
+    }
     this.setCache[key] = value;
     this.getCache[key] = value;
   }
@@ -91,5 +96,6 @@ export class CacheMetadataModel implements ICachedModelControl<any> {
 
   clear(): void {
     this.setCache = {};
+    this.flushableRecordCounter = 0;
   }
 }

packages/node-core/src/indexer/storeCache/cacheModel.ts

@@ -27,6 +27,8 @@ export class CachedModel<
 
   private removeCache: Record<string, RemoveValue> = {};
 
+  flushableRecordCounter = 0;
+
   constructor(readonly model: ModelStatic<Model<T, T>>, private readonly historical = true) {}
 
   private get historicalModel(): ModelStatic<Model<T & HistoricalModel, T & HistoricalModel>> {
@@ -126,6 +128,7 @@ export class CachedModel<
       this.setCache[id] = new SetValueModel();
     }
     this.setCache[id].set(data, blockHeight);
+    this.flushableRecordCounter += 1;
     // IMPORTANT
     // This sync getCache with setCache
     // Change this will impact `getByFieldFromCache`, `allCachedIds` and related methods.
@@ -176,6 +179,7 @@ export class CachedModel<
       this.removeCache[id] = {
         removedAtBlock: blockHeight,
       };
+      this.flushableRecordCounter += 1;
       if (this.getCache[id]) {
         delete this.getCache[id];
         // Also when .get, check removeCache first, should return undefined if removed
@@ -233,6 +237,7 @@ export class CachedModel<
     this.getCache = {};
     this.setCache = {};
     this.removeCache = {};
+    this.flushableRecordCounter = 0;
   }
 
   dumpSetData(): SetData<T> {

packages/node-core/src/indexer/storeCache/storeCache.service.spec.ts

@@ -38,14 +38,14 @@ describe('Store Cache Service historical', () => {
   const sequilize = new Sequelize();
 
   it('could init store cache service and init cache for models', () => {
-    storeService = new StoreCacheService(sequilize);
+    storeService = new StoreCacheService(sequilize, null);
     storeService.getModel('entity1');
     expect((storeService as any).cachedModels.entity1).toBeDefined();
     expect((storeService as any).cachedModels.entity2).toBeUndefined();
   });
 
   it('could set cache for entity, also get from it', async () => {
-    storeService = new StoreCacheService(sequilize);
+    storeService = new StoreCacheService(sequilize, null);
     storeService.getModel('entity1');
     storeService.getModel('entity2');
 

packages/node-core/src/indexer/storeCache/storeCache.service.ts

@@ -3,36 +3,29 @@
 
 import assert from 'assert';
 import {Injectable} from '@nestjs/common';
+import {NodeConfig} from '@subql/node-core/configure';
+import {sum} from 'lodash';
 import {Sequelize, Transaction} from 'sequelize';
-import {NodeConfig} from '../../configure';
 import {MetadataRepo} from '../entities';
 import {CacheMetadataModel} from './cacheMetadata';
 import {CachedModel} from './cacheModel';
 import {ICachedModel, EntitySetData, ICachedModelControl} from './types';
 
-const FLUSH_FREQUENCY = 5;
-
 @Injectable()
 export class StoreCacheService {
   historical: boolean;
-  private flushCounter: number;
   private cachedModels: Record<string, ICachedModelControl<any>> = {};
   private metadataRepo: MetadataRepo;
 
-  constructor(private sequelize: Sequelize) {
+  constructor(private sequelize: Sequelize, private config: NodeConfig) {
     this.resetMemoryStore();
-    this.flushCounter = 0;
-    this.historical = true; // TODO, need handle when is not historical
+    this.historical = true;
   }
 
   setMetadataRepo(repo: MetadataRepo): void {
     this.metadataRepo = repo;
   }
 
-  counterIncrement(): void {
-    this.flushCounter += 1;
-  }
-
   getModel<T>(entity: string): ICachedModel<T> {
     if (entity === '_metadata') {
       throw new Error('Please use getMetadataModel instead');
@@ -98,7 +91,8 @@ export class StoreCacheService {
   }
 
   isFlushable(): boolean {
-    return this.flushCounter % FLUSH_FREQUENCY === 0;
+    const numOfRecords = sum(Object.values(this.cachedModels).map((m) => m.flushableRecordCounter));
+    return numOfRecords >= this.config.storeCacheThreshold;
   }
 
   resetMemoryStore(): void {

packages/node-core/src/indexer/storeCache/types.ts

@@ -29,7 +29,7 @@ export interface ICachedModel<T> {
 
 export interface ICachedModelControl<T> {
   isFlushable: boolean;
-
+  flushableRecordCounter: number;
   sync(data: SetData<T>): void;
   flush(tx: Transaction): Promise<void>;
   dumpSetData(): SetData<T>;

packages/node/src/yargs.ts

@@ -232,4 +232,10 @@ export const yargsOptions = yargs(hideBin(process.argv))
         'Postgres client certificate - Path to client certificate e.g /path/to/client-certificates/postgresql.crt',
       type: 'string',
     },
+    'store-cache-threshold': {
+      demandOption: false,
+      describe:
+        'Store cache will flush when number of records excess this threshold',
+      type: 'number',
+    },
   });