From 4dd120e6a9248a3855f1d6cb068d1fe8d9a280ca Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Antoine=20Beaupr=C3=A9?= <anarcat@debian.org>
Date: Mon, 11 Nov 2019 15:49:48 -0500
Subject: [PATCH] establish a crude SLA

---
 tsa/howto/cache.mdwn | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/tsa/howto/cache.mdwn b/tsa/howto/cache.mdwn
index 41098bd7..5f593e94 100644
--- a/tsa/howto/cache.mdwn
+++ b/tsa/howto/cache.mdwn
@@ -70,9 +70,13 @@ Include `roles::cache` in Puppet.
 TODO: document how to add new sites in the cache.
 
 ## SLA
-<!-- this describes an acceptable level of service for this service -->
 
-TBD.
+Service should generally stay online as much as possible, because it
+fronts critical web sites for the Tor project, but otherwise shouldn't
+especially differ from other SLA.
+
+Hit ratio should be high enough to reduce costs significantly on the
+backend.
 
 ## Design
 
-- 
GitLab