From 4faa58e2c941bf29ed90e33b027db2c076ec6baa Mon Sep 17 00:00:00 2001
From: "longhoang.wkm" <longhoang@wakumo.vn>
Date: Mon, 2 Mar 2020 11:14:19 +0700
Subject: [PATCH] Fix slow response

chunkSize too small(10).
Scan all block take n*M times.
- M is average time to hit to leveldb
- n = highestBlock / chunkSize
Reduce n to help reduce response time
---
 lib/express.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/express.js b/lib/express.js
index bb38d05..1065e42 100644
--- a/lib/express.js
+++ b/lib/express.js
@@ -37,7 +37,7 @@ module.exports = function initialize (adapter, opts) {
   }
 
   let maxResults = 100000
-  let chunkSize = 10
+  let chunkSize = 10000
   let resultSizeMax = 200
   if (process.env.MAX_ROWS_LEVELDB) {
     try {