1 files changed, 16 insertions, 0 deletions
diff --git a/weed/pb/master.proto b/weed/pb/master.proto
index c1e5d4798..544160c06 100644
--- a/weed/pb/master.proto
+++ b/weed/pb/master.proto
@@ -13,6 +13,8 @@ service Seaweed {
     }
     rpc Assign (AssignRequest) returns (AssignResponse) {
     }
+    rpc Statistics (StatisticsRequest) returns (StatisticsResponse) {
+    }
 }
 
 //////////////////////////////////////////////////
@@ -108,3 +110,17 @@ message AssignResponse {
     uint64 count = 4;
     string error = 5;
 }
+
+message StatisticsRequest {
+    string replication = 1;
+    string collection = 2;
+    string ttl = 3;
+}
+message StatisticsResponse {
+    string replication = 1;
+    string collection = 2;
+    string ttl = 3;
+    uint64 total_size = 4;
+    uint64 used_size = 5;
+    uint64 file_count = 6;
+}