set min max for knex pool

Signed-off-by: Vijay Kumar Rathore <professional.vijay8492@gmail.com>

packages/nocodb/src/lib/utils/NcConfigFactory.ts

@@ -41,6 +41,14 @@ const defaultConnectionConfig: any = {
   dateStrings: true,
 };
 
+// default knex options
+const defaultConnectionOptions = {
+  pool: {
+    min: 0,
+    max: 10
+  }
+};
+
 const knownQueryParams = [
   {
     parameter: 'database',
@@ -733,7 +741,7 @@ export default class NcConfigFactory implements NcConfig {
   // }
 }
 
-export { defaultConnectionConfig };
+export { defaultConnectionConfig, defaultConnectionOptions };
 
 /**
  * @copyright Copyright (c) 2021, Xgene Cloud Ltd

packages/nocodb/src/lib/utils/common/NcConnectionMgrv2.ts

@@ -5,7 +5,10 @@ import { XKnex } from '../../db/sql-data-mapper';
 // import Knex from 'knex';
 
 // import NcMetaIO from '../meta/NcMetaIO';
-import { defaultConnectionConfig } from '../NcConfigFactory';
+import {
+  defaultConnectionConfig,
+  defaultConnectionOptions
+} from '../NcConfigFactory';
 import Base from '../../models/Base';
 import Noco from '../../Noco';
 
@@ -99,6 +102,7 @@ export default class NcConnectionMgrv2 {
       //   ? (connectionConfig.connection as Knex.Config)
       //   :
       {
+        ...defaultConnectionOptions,
         ...connectionConfig,
         connection: {
           ...defaultConnectionConfig,