From 65c9f80e2c55b92e1534342f21f47f7e8fb46d83 Mon Sep 17 00:00:00 2001
From: williamlardier <william.lardier@scality.com>
Date: Tue, 3 Oct 2023 09:02:47 +0200
Subject: [PATCH] wip

---
 .../metadata/mongoclient/MongoClientInterface.js      | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/lib/storage/metadata/mongoclient/MongoClientInterface.js b/lib/storage/metadata/mongoclient/MongoClientInterface.js
index 403f708ed..c7031baf7 100644
--- a/lib/storage/metadata/mongoclient/MongoClientInterface.js
+++ b/lib/storage/metadata/mongoclient/MongoClientInterface.js
@@ -1045,19 +1045,20 @@ class MongoClientInterface {
      * gets object metadata for a list of objects
      * @param {String} bucketName bucket name
      * @param {Array} objects array of objects
+     * @param {Number} maxKeys max number of keys to return
      * @param {Object} log logger
      * @param {Function} callback callback
      * @return {undefined}
      */
-    getObjects(bucketName, objects, log, callback) {
+    getObjects(bucketName, objects, maxKeys = 1000, log, callback) {
         const c = this.getCollection(bucketName);
         let vFormat = null;
         if (!Array.isArray(objects)) {
             return callback(errors.InternalError.customizeDescription('objects must be an array'));
         }
-        // We do not accept more than 1000 keys in a single request
-        if (objects.length > 1000) {
-            return callback(errors.InternalError.customizeDescription('cannot get more than 1000 objects'));
+        // We do not accept more than maxKeys keys in a single request
+        if (objects.length > maxKeys) {
+            return callback(errors.InternalError.customizeDescription(`cannot get more than ${maxKeys} objects`));
         }
         // Function to process each document
         const processDoc = (doc, objName, params, key, cb) => {
@@ -1103,7 +1104,7 @@ class MongoClientInterface {
                     { 'value.deleted': { $exists: false } },
                     { 'value.deleted': { $eq: false } },
                 ],
-            }).toArray().then(docs => {
+            }).batchSize(maxKeys).toArray().then(docs => {
                 // Create a Map to quickly find docs by their keys
                 const docByKey = new Map(docs.map(doc => [doc._id, doc]));
                 // Process each document using associated context (objName, params)