From db36173705179956b7215f9c3e737a5a2c333f5f Mon Sep 17 00:00:00 2001
From: Aaron Vinson <avinson.public@gmail.com>
Date: Wed, 26 Aug 2015 18:19:13 -0700
Subject: [PATCH] add info about redis eviction policy recommended setting

---
 docs/configuration.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/docs/configuration.md b/docs/configuration.md
index 3563ef515..1dcbf90d2 100644
--- a/docs/configuration.md
+++ b/docs/configuration.md
@@ -1484,6 +1484,9 @@ caching information about immutable blobs. Most of the options below control
 how the registry connects to redis. You can control the pool's behavior
 with the [pool](#pool) subsection.
 
+It's advisable to configure Redis itself with the **allkeys-lru** eviction policy
+as the registry does not set an expire value on keys.
+
 <table>
   <tr>
     <th>Parameter</th>