*: update

go/proto/system_message.proto

@@ -26,19 +26,20 @@ message JoinMessage {
     optional uint32 admin_port = 10;
 }
 
-/*
-message CollectionReplicaPlacement {
+
+message CollectionSetting {
     optional string collection = 1;
     required string replica_placement = 2;
+    optional string vacuum_garbage_threshold = 3;
 }
 
 message GlobalSetting {
-    repeated CollectionReplicaPlacement replica_placements = 1;
+    repeated CollectionSetting settings = 1;
     repeated string master_peers = 2;
 }
 
 message JoinResponse {
     optional GlobalSetting settings = 1;
 }
-*/
+
 

go/storage/needle_read_write.go

@@ -16,7 +16,7 @@ const (
 	FlagHasMime             = 0x04
 	FlagHasLastModifiedDate = 0x08
 	FlagHasTtl              = 0x10
-	FlagIsExtendNeedle      = 0x40 	// TODO Reserve: use extent file to save big needle
+	FlagIsExtendNeedle      = 0x40 	// TODO: Reserve flag, use extent file to save big needle
 	FlagIsChunkManifest     = 0x80
 	LastModifiedBytesLength = 5
 	TtlBytesLength          = 2