diff --git a/server/tree.go b/server/tree.go
index e1d2b8b..274e5f4 100644
--- a/server/tree.go
+++ b/server/tree.go
@@ -1,8 +1,8 @@
 package main
 
 import (
-	"io"
 	"io/ioutil"
+	"log"
 	"os"
 	"path"
 
@@ -53,8 +53,9 @@ func (base Leaf) Merge(updated Leaf) Leaf {
 }
 
 type Tree struct {
-	root       string
-	cachedRoot Branch
+	root           string
+	cachedRoot     Branch
+	cachedMetaRoot Branch
 }
 
 func NewTree(root string) Tree {
@@ -64,11 +65,19 @@ func NewTree(root string) Tree {
 func (tree Tree) WithRoot(root string) Tree {
 	tree.root = root
 	tree.cachedRoot = Branch{}
+	tree.cachedMetaRoot = Branch{}
 	return tree
 }
 
 func (tree Tree) GetRootMeta() (Branch, error) {
-	return tree.getRoot(NewID(""), false, false)
+	if !tree.cachedMetaRoot.IsZero() {
+		return tree.cachedMetaRoot, nil
+	}
+	got, err := tree.getRoot(NewID(""), false, false)
+	if err == nil {
+		tree.cachedMetaRoot = got
+	}
+	return got, err
 }
 
 func (tree Tree) GetRoot() (Branch, error) {
@@ -93,7 +102,8 @@ func (tree Tree) getRoot(pid ID, withContent, withDeleted bool) (Branch, error)
 	}
 	for _, entry := range entries {
 		if entry.Name() == "data.yaml" {
-			if b, err := peekFile(withContent, path.Join(tree.root, entry.Name())); err != nil {
+			log.Printf("reading %s", tree.root)
+			if b, err := peekLeaf(withContent, path.Join(tree.root, entry.Name())); err != nil {
 				return Branch{}, err
 			} else if err := yaml.Unmarshal(b, &m.Leaf); err != nil {
 				return Branch{}, err
@@ -116,17 +126,11 @@ func (tree Tree) getRoot(pid ID, withContent, withDeleted bool) (Branch, error)
 	return m, nil
 }
 
-func peekFile(all bool, path string) ([]byte, error) {
-	if !all {
+func peekLeaf(all bool, path string) ([]byte, error) {
+	if all {
 		return ioutil.ReadFile(path)
 	}
-	f, err := os.Open(path)
-	if err != nil {
-		return nil, err
-	}
-	defer f.Close()
-	r := io.LimitReader(f, 1024)
-	return ioutil.ReadAll(r)
+	return ioutil.ReadFile(path)
 }
 
 func (tree Tree) toDir(id ID) string {
@@ -159,6 +163,7 @@ func (tree Tree) Put(id ID, input Leaf) error {
 		return err
 	}
 	tree.cachedRoot = Branch{}
+	tree.cachedMetaRoot = Branch{}
 	return nil
 }
 
@@ -180,6 +185,7 @@ func (tree Tree) Del(id ID) error {
 func (tree Tree) HardDel(id ID) error {
 	os.RemoveAll(tree.toDir(id))
 	tree.cachedRoot = Branch{}
+	tree.cachedMetaRoot = Branch{}
 	return nil
 }