diff --git a/Filer-Stores.md b/Filer-Stores.md
index 6acb531..c41d3fe 100644
--- a/Filer-Stores.md
+++ b/Filer-Stores.md
@@ -11,6 +11,8 @@ The Filer Store persists all file metadata and directory information.
 | Cassandra    | O(logN)| unlimited | Local or Distributed, Very Fast||Yes|                |
 | MySql        | O(logN)| unlimited | Local or Distributed, Fast     |Atomic| | Easy to manage, export |
 | Postgres     | O(logN)| unlimited | Local or Distributed, Fast     |Atomic| | Easy to manage, export |
+| TiDB         | O(logN)| unlimited | Distributed, Fast     |Atomic| | Scalable |
+| CockroachDB  | O(logN)| unlimited | Distributed, Fast     |Atomic| | Scalable |
 | Etcd     | O(logN)| ~10GB | Distributed, 10,000 writes/sec     || | No SPOF. High Availability.|
 
 #### Switching between different Stores