From 3953d08067b9a226bb84d65d3454221092a44774 Mon Sep 17 00:00:00 2001
From: Sergey Konovalov <Sergey.Konovalov@onlyoffice.com>
Date: Mon, 30 Jun 2025 00:27:41 +0300
Subject: [PATCH] [bug] Set noDelay=true if the client intentionally closes
 connection or server shuts down; For bug 75503

---
 DocService/sources/DocsCoServer.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/DocService/sources/DocsCoServer.js b/DocService/sources/DocsCoServer.js
index 6b48f3f0..03f601de 100644
--- a/DocService/sources/DocsCoServer.js
+++ b/DocService/sources/DocsCoServer.js
@@ -1984,7 +1984,9 @@ exports.install = function(server, callbackFunction) {
           if (needSaveChanges && !conn.encrypted) {
             // Send changes to save server
             let user_lcid = utilsDocService.localeToLCID(conn.lang);
-            yield createSaveTimer(ctx, docId, tmpUser.idOriginal, userIndex, user_lcid, undefined, getIsShutdown());
+            //noDelay=true if the client intentionally closes connection or server shuts down
+            const noDelay = !reason || getIsShutdown();
+            yield createSaveTimer(ctx, docId, tmpUser.idOriginal, userIndex, user_lcid, undefined, noDelay);
           } else if (needSendStatus) {
             yield* cleanDocumentOnExitNoChanges(ctx, docId, tmpUser.idOriginal, userIndex);
           } else {