From 406ebc67071486a680f38a6dd78b7cead2a377ec Mon Sep 17 00:00:00 2001
From: Mohsin Zaidi <2236875+smrz2001@users.noreply.github.com>
Date: Tue, 11 Jun 2024 17:53:31 -0400
Subject: [PATCH] feat: reuse connections in dynamodb http client

---
 src/services/witness-service.ts | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/services/witness-service.ts b/src/services/witness-service.ts
index 5580abad..bb777fc3 100644
--- a/src/services/witness-service.ts
+++ b/src/services/witness-service.ts
@@ -8,6 +8,8 @@ import { Config } from 'node-config-ts'
 import { DynamoDB } from '@aws-sdk/client-dynamodb'
 import { logger } from '../logger/index.js'
 import { Utils } from '../utils.js'
+import * as http from 'http'
+import { NodeHttpHandler } from '@smithy/node-http-handler'
 
 const carFactory = new CARFactory()
 
@@ -160,6 +162,11 @@ export class DynamoDbWitnessService extends WitnessService implements IWitnessSe
     this.dynamoDb = new DynamoDB({
       region: config.witnessStorage.awsRegion,
       endpoint: config.witnessStorage.dynamoDbEndpoint,
+      requestHandler: new NodeHttpHandler({
+        httpAgent: new http.Agent({
+          keepAlive: true,
+        }),
+      }),
     })
     this.tableName = config.witnessStorage.dynamoDbTableName || DEFAULT_WITNESS_TABLE_NAME
     this.ttl = config.witnessStorage.dynamoDbTtl || DEFAULT_WITNESS_TABLE_TTL