From 17d99f758a768b886842cf496ff236fbe3829236 Mon Sep 17 00:00:00 2001
From: Richard van der Hoff <1389908+richvdh@users.noreply.github.com>
Date: Tue, 26 Apr 2022 10:27:11 +0100
Subject: Optimise backfill calculation (#12522)

Try to avoid an OOM by checking fewer extremities.

Generally this is a big rewrite of _maybe_backfill, to try and fix some of the TODOs and other problems in it. It's best reviewed commit-by-commit.
---
 changelog.d/12522.bugfix | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 changelog.d/12522.bugfix

(limited to 'changelog.d')

diff --git a/changelog.d/12522.bugfix b/changelog.d/12522.bugfix
new file mode 100644
index 0000000000..2220f05ceb
--- /dev/null
+++ b/changelog.d/12522.bugfix
@@ -0,0 +1 @@
+Fix a bug introduced in Synapse 0.99.3 which could cause Synapse to consume large amounts of RAM when back-paginating in a large room.
-- 
cgit 1.4.1