From ac636f3c48f537b55abff6e2e6a80d8f2f40f30d Mon Sep 17 00:00:00 2001
From: Alex Vandiver <alexmv@zulip.com>
Date: Fri, 26 Sep 2025 04:40:16 +0000
Subject: [PATCH] tornado: Trial Flutter having 12-hour-long queue lifespan.

---
 zerver/tornado/django_api.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/zerver/tornado/django_api.py b/zerver/tornado/django_api.py
index a85014992e..fb6c58eba4 100644
--- a/zerver/tornado/django_api.py
+++ b/zerver/tornado/django_api.py
@@ -104,6 +104,9 @@ def request_event_queue(
     # database.
     get_user_profile_narrow_by_id(user_profile.id)
 
+    if user_client.name == "ZulipFlutter" and queue_lifespan_secs == 0:
+        queue_lifespan_secs = 12 * 60 * 60  # Test 12-hour-long GCs for Flutter
+
     tornado_url = get_tornado_url(get_user_tornado_port(user_profile))
     req = {
         "dont_block": "true",