diff --git a/Filer-Stores.md b/Filer-Stores.md
index 847470b..8a4cbe3 100644
--- a/Filer-Stores.md
+++ b/Filer-Stores.md
@@ -8,6 +8,7 @@ The Filer Store persists all file metadata and directory information.
 | leveldb      | O(logN)| unlimited | Local, Very Fast               | | Yes| Default, fairly scalable |
 | RocksDB      | O(logN)| unlimited | Local, Very Fast               | | Native| Default, fairly scalable |
 | leveldb2     | O(logN)| unlimited | Local, Very Fast, faster than leveldb          | | Yes| Similar to leveldb, part of the lookup key is 128bit MD5 instead of the long full file path |
+| leveldb3     | O(logN)| unlimited | Local, Very Fast                               | | Yes| Similar to leveldb2, separate leveldb instance for each bucket |
 | Mongodb      | O(logN)| unlimited | Local or Distributed, Fast     | | Yes| Easy to manage |
 | Redis        | O(1)   | limited   | Local or Distributed, Fastest  ||Native| one directory's sub file names are stored in one key~value entry |
 | Cassandra    | O(logN)| unlimited | Local or Distributed, Very Fast||Native|                |