diff --git a/remotefilelog/__init__.py b/remotefilelog/__init__.py
--- a/remotefilelog/__init__.py
+++ b/remotefilelog/__init__.py
@@ -933,6 +933,10 @@
 def debughistorypack(ui, path, **opts):
     return debugcommands.debughistorypack(ui, path)
 
+@command('debugpackstatus', [], 'hg debugpackstatus')
+def debugpackstatus(repo, ui, **opts):
+    return debugcommands.debugpackstatus(repo, ui)
+
 @command('debugkeepset', [
     ], _('hg debugkeepset'))
 def debugkeepset(ui, repo, **opts):
diff --git a/remotefilelog/basestore.py b/remotefilelog/basestore.py
--- a/remotefilelog/basestore.py
+++ b/remotefilelog/basestore.py
@@ -40,6 +40,30 @@
         if shared:
             shallowutil.mkstickygroupdir(self.ui, path)
 
+    def getnumfiles(self):
+        count = 0
+        for fn, node in self._listkeys():
+            count += 1
+        return count
+
+    def gettotalsize(self):
+        totalsize = 0
+        for fnhash, node in self._listkeys():
+            fnhashhex = hex(fnhash)
+            path = self._getrootpath() + '/'
+            path += (fnhashhex[0:2] + '/' + fnhashhex[2:] if self._shared else
+                fnhashhex)
+            path += '/' + hex(node)
+            totalsize += os.stat(path).st_size
+
+        return totalsize
+
+    def getmetrics(self):
+        return {
+            'numloosefiles': self.getnumfiles(),
+            'totalloosesize': self.gettotalsize(),
+        }
+
     def getmissing(self, keys):
         missing = []
         for name, node in keys:
@@ -152,16 +176,18 @@
 
         return filenames
 
+    def _getrootpath(self):
+        if self._shared:
+            return os.path.join(self._path, self._reponame)
+        else:
+            return self._path
+
     def _listkeys(self):
         """List all the remotefilelog keys that exist in the store.
 
         Returns a iterator of (filename hash, filecontent hash) tuples.
         """
-        if self._shared:
-            path = os.path.join(self._path, self._reponame)
-        else:
-            path = self._path
-
+        path = self._getrootpath()
         for root, dirs, files in os.walk(path):
             for filename in files:
                 if len(filename) != 40:
diff --git a/remotefilelog/contentstore.py b/remotefilelog/contentstore.py
--- a/remotefilelog/contentstore.py
+++ b/remotefilelog/contentstore.py
@@ -222,6 +222,9 @@
     def markledger(self, ledger):
         pass
 
+    def getmetrics(self):
+        return {}
+
 class manifestrevlogstore(object):
     def __init__(self, repo):
         self._store = repo.store
diff --git a/remotefilelog/debugcommands.py b/remotefilelog/debugcommands.py
--- a/remotefilelog/debugcommands.py
+++ b/remotefilelog/debugcommands.py
@@ -6,7 +6,7 @@
 # GNU General Public License version 2 or any later version.
 from __future__ import absolute_import
 
-from mercurial import error, filelog, revlog
+from mercurial import error, filelog, revlog, util
 from mercurial.node import bin, hex, nullid, short
 from mercurial.i18n import _
 from . import (
@@ -357,6 +357,33 @@
         ui.write("%s  %s  %s  %s  %s\n" % (short(node), short(p1node),
             short(p2node), short(linknode), copyfrom))
 
+def debugpackstatus(ui, repo):
+    def format(metrics, paths=None):
+        parts = []
+        if 'numpacks' in metrics:
+            parts.append("%d packs consuming %s" % (metrics['numpacks'],
+                util.bytecount(metrics['totalpacksize'])))
+        if 'numloosefiles' in metrics:
+            parts.append("%d loose files consuming %s" % (
+                metrics['numloosefiles'],
+                util.bytecount(metrics['totalloosesize'])))
+
+        if paths:
+            parts.append("in %s" %  ",".join(paths))
+        return ", ".join(parts)
+
+    mfl = repo.manifestlog
+    ui.write("Local Tree Store: %s\n" % format(
+        shallowutil.sumdicts(*[s.getmetrics() for s in mfl.localdatastores]),
+        [s.path for p in mfl.localdatastores]
+    ))
+    ui.write("Shared Tree Store: %s\n" % format(
+        shallowutil.sumdicts(*[s.getmetrics() for s in mfl.shareddatastores]),
+        [s.path for p in mfl.localdatastores]
+    ))
+    ui.write("File Content Store: %s\n" % format(repo.contentstore.getmetrics()))
+    ui.write("File Data Store: %s\n" % format(repo.metadatastore.getmetrics()))
+
 def debugwaitonrepack(repo):
     with repo._lock(repo.svfs, "repacklock", True, None,
                          None, _('repacking %s') % repo.origroot):
diff --git a/remotefilelog/metadatastore.py b/remotefilelog/metadatastore.py
--- a/remotefilelog/metadatastore.py
+++ b/remotefilelog/metadatastore.py
@@ -145,3 +145,6 @@
 
     def markledger(self, ledger):
         pass
+
+    def getmetrics(self):
+        return {}