From e6606b9bb70a7124bf9414351b5b8610a25a8bbf Mon Sep 17 00:00:00 2001
From: wj25czxj47bu6q <96372288+wj25czxj47bu6q@users.noreply.github.com>
Date: Sun, 5 Jan 2025 08:37:24 -0700
Subject: [PATCH] Tighten memory limits

---
 etc/modprobe.d/zfs.conf                                   | 1 +
 etc/systemd/system/matrix-synapse.service.d/override.conf | 5 ++++-
 2 files changed, 5 insertions(+), 1 deletion(-)
 create mode 100644 etc/modprobe.d/zfs.conf

diff --git a/etc/modprobe.d/zfs.conf b/etc/modprobe.d/zfs.conf
new file mode 100644
index 0000000..1268449
--- /dev/null
+++ b/etc/modprobe.d/zfs.conf
@@ -0,0 +1 @@
+options zfs zfs_arc_max=8589934592
\ No newline at end of file
diff --git a/etc/systemd/system/matrix-synapse.service.d/override.conf b/etc/systemd/system/matrix-synapse.service.d/override.conf
index 7eeaf0e..6c3edf7 100644
--- a/etc/systemd/system/matrix-synapse.service.d/override.conf
+++ b/etc/systemd/system/matrix-synapse.service.d/override.conf
@@ -30,4 +30,7 @@ PrivateDevices=true
 # - Hostname
 # - System Clock
 ProtectSystem=strict
-ProtectKernelTunables=true
\ No newline at end of file
+ProtectKernelTunables=true
+
+MemoryHigh=32G
+MemoryMax=40G