diff --git a/blockstore/splitstore/splitstore_warmup.go b/blockstore/splitstore/splitstore_warmup.go
index 4319184ace..e57ea25a52 100644
--- a/blockstore/splitstore/splitstore_warmup.go
+++ b/blockstore/splitstore/splitstore_warmup.go
@@ -5,14 +5,15 @@ import (
 	"sync/atomic"
 	"time"
 
+	blocks "github.com/ipfs/go-block-format"
+	"github.com/ipfs/go-cid"
+	ipld "github.com/ipfs/go-ipld-format"
 	"golang.org/x/xerrors"
 
 	"github.com/filecoin-project/go-state-types/abi"
+
 	"github.com/filecoin-project/lotus/chain/actors/policy"
 	"github.com/filecoin-project/lotus/chain/types"
-	blocks "github.com/ipfs/go-block-format"
-	"github.com/ipfs/go-cid"
-	ipld "github.com/ipfs/go-ipld-format"
 )
 
 var (
diff --git a/documentation/en/default-lotus-config.toml b/documentation/en/default-lotus-config.toml
index 41bc082da3..82ee616228 100644
--- a/documentation/en/default-lotus-config.toml
+++ b/documentation/en/default-lotus-config.toml
@@ -219,6 +219,15 @@
     # env var: LOTUS_CHAINSTORE_SPLITSTORE_HOTSTOREMAXSPACESAFETYBUFFER
     #HotstoreMaxSpaceSafetyBuffer = 50000000000
 
+    # Perform a full warmup from the coldstore to the hotstore upon splitstore startup.
+    # This is useful in the case you are migrating from a non-splitstore setup to splitstore.
+    # This should be false in the common case where a node is initialized from a snapshot
+    # since snapshots are loaded directly to the hotstore.
+    #
+    # type: bool
+    # env var: LOTUS_CHAINSTORE_SPLITSTORE_FULLWARMUP
+    #FullWarmup = false
+
 
 [Fevm]
   # EnableEthRPC enables eth_ RPC methods.
diff --git a/node/config/doc_gen.go b/node/config/doc_gen.go
index feab3d5b6e..4f0068f613 100644
--- a/node/config/doc_gen.go
+++ b/node/config/doc_gen.go
@@ -1201,6 +1201,15 @@ exceeds HotstoreMaxSpaceTarget - HotstoreMaxSpaceThreshold`,
 is set.  Moving GC will not occur when total moving size exceeds
 HotstoreMaxSpaceTarget - HotstoreMaxSpaceSafetyBuffer`,
 		},
+		{
+			Name: "FullWarmup",
+			Type: "bool",
+
+			Comment: `Perform a full warmup from the coldstore to the hotstore upon splitstore startup.
+This is useful in the case you are migrating from a non-splitstore setup to splitstore.
+This should be false in the common case where a node is initialized from a snapshot
+since snapshots are loaded directly to the hotstore.`,
+		},
 	},
 	"StorageMiner": {
 		{