--- a/mercurial/localrepo.py	Wed Nov 23 21:11:46 2022 -0500
+++ b/mercurial/localrepo.py	Sun Nov 06 14:47:17 2022 -0500
@@ -1081,6 +1081,11 @@
         b'storage', b'revlog.optimize-delta-parent-choice'
     )
     options[b'deltabothparents'] = deltabothparents
+    dps_cgds = ui.configint(
+        b'storage',
+        b'revlog.delta-parent-search.candidate-group-chunk-size',
+    )
+    options[b'delta-parent-search.candidate-group-chunk-size'] = dps_cgds
     options[b'debug-delta'] = ui.configbool(b'debug', b'revlog.debug-delta')
 
     issue6528 = ui.configbool(b'storage', b'revlog.issue6528.fix-incoming')