diff --git a/Filer-Stores.md b/Filer-Stores.md
index 0409953..bd6dec8 100644
--- a/Filer-Stores.md
+++ b/Filer-Stores.md
@@ -11,6 +11,7 @@ The Filer Store persists all file metadata and directory information.
 | RocksDB      | O(logN)| unlimited | Local, Very Fast               | | Native| | Default, fairly scalable |
 | Sqlite       | O(logN)| unlimited | Local, Very Fast               |Atomic| Yes | Yes | Default, fairly scalable, Stream backup |
 | Mongodb      | O(logN)| unlimited | Local or Distributed, Fast     | | Yes| | Easy to manage |
+| Arangodb     | O(logN)| unlimited | Local or Distributed, Fast     | | Native| Yes | Easy to manage; Scalable |
 | [Redis2](https://github.com/chrislusf/seaweedfs/wiki/Filer-Redis-Setup)| O(1)   | limited   | Local or Distributed, Fastest  ||Native| | one directory's children are stored in one key~value entry |
 | [Redis3](https://github.com/chrislusf/seaweedfs/wiki/Filer-Redis-Setup)| O(1)   | unlimited   | Local or Distributed, Fastest  ||Native| | one directory's children are spread into multiple key~value entries |
 | Cassandra    | O(logN)| unlimited | Local or Distributed, Very Fast||Native| |                |