From e67bbf8bb85aed0e36d1de8f727f652954462639 Mon Sep 17 00:00:00 2001
From: Ankush Menat <ankush@frappe.io>
Date: Thu, 9 Jan 2025 15:09:33 +0530
Subject: [PATCH] fix: Avoid indefinitely waiting for metadata locks

---
 frappe/migrate.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/frappe/migrate.py b/frappe/migrate.py
index d5fa8254b8..5770ff340e 100644
--- a/frappe/migrate.py
+++ b/frappe/migrate.py
@@ -84,6 +84,7 @@ class SiteMigration:
 		if os.path.exists(self.touched_tables_file):
 			os.remove(self.touched_tables_file)
 
+		self.lower_lock_timeout()
 		frappe.flags.in_migrate = True
 
 	def tearDown(self):
@@ -185,6 +186,13 @@ class SiteMigration:
 
 		return are_services_running
 
+	def lower_lock_timeout(self):
+		"""Lower timeout for table metadata locks, default is 1 day, reduce it to 5 minutes.
+
+		This is required to avoid indefinitely waiting for metadata lock.
+		"""
+		frappe.db.sql("set session lock_wait_timeout = %s", 5 * 60)
+
 	def run(self, site: str):
 		"""Run Migrate operation on site specified. This method initializes
 		and destroys connections to the site database.