diff --git a/packages/network-support/src/fetch.ts b/packages/network-support/src/fetch.ts
index 2ef83bb7..994ba795 100644
--- a/packages/network-support/src/fetch.ts
+++ b/packages/network-support/src/fetch.ts
@@ -122,6 +122,7 @@ export function createFetch(
           after - before,
           Number(_res.headers.get('Content-Length')) || 1
         );
+        void orderManager.incrSelectCount(runner);
 
         return {
           status: _res.status,
diff --git a/packages/network-support/src/orderManager.ts b/packages/network-support/src/orderManager.ts
index 9d889589..82daecc9 100644
--- a/packages/network-support/src/orderManager.ts
+++ b/packages/network-support/src/orderManager.ts
@@ -432,6 +432,10 @@ export class OrderManager {
     await this.scoreManager.collectLatency(indexer, latency, size);
   }
 
+  async incrSelectCount(indexer: string) {
+    await this.scoreManager.incrSelectCount(indexer);
+  }
+
   cleanup() {
     if (this.timer) {
       clearInterval(this.timer);
diff --git a/packages/network-support/src/scoreManager.ts b/packages/network-support/src/scoreManager.ts
index c7df3574..7e193a81 100644
--- a/packages/network-support/src/scoreManager.ts
+++ b/packages/network-support/src/scoreManager.ts
@@ -162,6 +162,11 @@ export class ScoreManager {
     }
   }
 
+  async incrSelectCount(indexer: string) {
+    const key = this.getSelectCountKey();
+    await this.scoreStore.hincrby(`${key}:${this.projectId}`, indexer, 1);
+  }
+
   private getHttpVersionWeight(score: ScoreStoreType) {
     return score.httpVersion == 2 ? WEIGHT.http2 : 1;
   }
@@ -173,4 +178,8 @@ export class ScoreManager {
   private getManualScoreKey(): string {
     return 'score:manual';
   }
+
+  private getSelectCountKey(): string {
+    return 'sample:select';
+  }
 }
diff --git a/packages/network-support/src/utils/store.ts b/packages/network-support/src/utils/store.ts
index f60b9b15..42e2e614 100644
--- a/packages/network-support/src/utils/store.ts
+++ b/packages/network-support/src/utils/store.ts
@@ -12,6 +12,8 @@ export interface IStore {
   lpush(key: string, value: any): Promise<number>;
   ltrim(key: string, start: number, stop: number): Promise<void>;
   expire(key: string, ttl: number): Promise<void>;
+
+  hincrby(key: string, field: string, value: number): Promise<number>;
 }
 
 export class BaseStorage implements IStore {
@@ -34,6 +36,9 @@ export class BaseStorage implements IStore {
   expire(key: string, ttl: number): Promise<void> {
     return Promise.resolve();
   }
+  hincrby(key: string, field: string, value: number): Promise<number> {
+    return Promise.resolve(0);
+  }
 }
 
 interface Options {