From 606657035935ee802d2d3dc00abdd1dd95b17d03 Mon Sep 17 00:00:00 2001
From: kenshin <kenshin.acs@gmail.com>
Date: Sat, 27 Jul 2013 00:29:19 +0800
Subject: [PATCH] add comment about hosts configuration

---
 README.MD | 42 ++++++++++++++++++++++++++++++++++--------
 1 file changed, 34 insertions(+), 8 deletions(-)

diff --git a/README.MD b/README.MD
index 7ad761a..94d30ec 100644
--- a/README.MD
+++ b/README.MD
@@ -57,14 +57,6 @@ If multi `namerserver` set at resolv.conf, the upsteam server will try in order
 
 
 
-#### hosts
-
-Force resolv domain to assigned ip, support two types hosts configuration: locale file and remote redis
-
-#hosts file#  
-can be 
-
-
 #### cache
 
 Only the local memory storage backend implemented now.  The redis backend is in todo list
@@ -77,6 +69,40 @@ maxcount = 100000
 ```
 
 
+
+#### hosts
+
+Force resolv domain to assigned ip, support two types hosts configuration:
+
+* locale hosts file
+* remote redis hosts
+
+__hosts file__  
+
+can be assigned at godns.conf,default : `/etc/hosts`
+
+```
+[hosts]
+host-file = "/etc/hosts"
+```
+
+
+__redis hosts__ 
+
+This is a espeical requirment in our system. Must maintain a gloab hosts configuration, 
+and support update the hosts record from other remote server.
+so "redis-hosts" is be supported, and will query the reids when each dns request reached.  
+
+The hosts record is organized with redis hash map. and the key the map is configired.
+
+```
+[hosts]
+redis-key = "godns:hosts"
+```
+
+
+
+
 ## Benchmak