From b734eb9c85fc6b2cfe534206f0f1b01656d9acc3 Mon Sep 17 00:00:00 2001
From: Wu Cheng-Han
Date: Mon, 10 Oct 2016 21:05:49 +0800
Subject: Try to fix memory leaks by clear OT server before disconnect note

---
 lib/realtime.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/realtime.js b/lib/realtime.js
index 0fcd2eaa..ea3735a6 100644
--- a/lib/realtime.js
+++ b/lib/realtime.js
@@ -543,6 +543,9 @@ function disconnect(socket) {
             if (note.server.isDirty) {
                 updateNote(note, function (err, _note) {
                     if (err) return logger.error('disconnect note failed: ' + err);
+                    // clear server before delete to avoid memory leaks
+                    note.server.document = "";
+                    note.server.operations = [];
                     delete note.server;
                     delete notes[noteId];
                     if (config.debug) {
-- 
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