feat:splitstore:Splitstore enabled by default (#10429)

Discard mode
---------

Co-authored-by: zenground0 <ZenGround0@users.noreply.github.com>

documentation/en/default-lotus-config.toml

@@ -191,7 +191,7 @@
 [Chainstore]
   # type: bool
   # env var: LOTUS_CHAINSTORE_ENABLESPLITSTORE
-  #EnableSplitstore = false
+  #EnableSplitstore = true
 
   [Chainstore.Splitstore]
     # ColdStoreType specifies the type of the coldstore.
@@ -199,7 +199,7 @@
     #
     # type: string
     # env var: LOTUS_CHAINSTORE_SPLITSTORE_COLDSTORETYPE
-    #ColdStoreType = "messages"
+    #ColdStoreType = "discard"
 
     # HotStoreType specifies the type of the hotstore.
     # Only currently supported value is "badger".

node/config/def.go

@@ -89,9 +89,9 @@ func DefaultFullNode() *FullNode {
 			SimultaneousTransfersForRetrieval: DefaultSimultaneousTransfers,
 		},
 		Chainstore: Chainstore{
-			EnableSplitstore: false,
+			EnableSplitstore: true,
 			Splitstore: Splitstore{
-				ColdStoreType: "messages",
+				ColdStoreType: "discard",
 				HotStoreType:  "badger",
 				MarkSetType:   "badger",