diff -r 9ef10437bb88 -r eb8504715071 mercurial/revlog.py
--- a/mercurial/revlog.py	Fri Jul 06 00:39:21 2018 +0530
+++ b/mercurial/revlog.py	Fri Jun 22 17:12:24 2018 +0200
@@ -625,7 +625,7 @@
         self._compengine = 'zlib'
         self._maxdeltachainspan = -1
         self._withsparseread = False
-        self._srdensitythreshold = 0.25
+        self._srdensitythreshold = 0.50
         self._srmingapsize = 262144
 
         mmapindexthreshold = None