# HG changeset patch
# User Jun Wu <quark@fb.com>
# Date 2017-06-03 03:38:01
# Node ID 3fad59faba8a4b233f278b09b02d4535619f4469
# Parent  9933410bf76342b6199edd93fda430441a6b22c9

obsstore: separate marker parsing from obsstore reading

This allows us to get raw obsstore content without parsing any markers.
Reading obsstore is much cheaper than parsing markers.

diff --git a/mercurial/obsolete.py b/mercurial/obsolete.py
--- a/mercurial/obsolete.py
+++ b/mercurial/obsolete.py
@@ -666,8 +666,12 @@ class obsstore(object):
         return self.add(transaction, markers)
 
     @propertycache
+    def _data(self):
+        return self.svfs.tryread('obsstore')
+
+    @propertycache
     def _all(self):
-        data = self.svfs.tryread('obsstore')
+        data = self._data
         if not data:
             return []
         self._version, markers = _readmarkers(data)