diff mercurial/localrepo.py @ 49772:f5f113f1b011

delta-find: add a way to control the number of bases tested at the same time

See inline comment for details.

The feature is currently disabled, but should be enabled by default to mitigate
some existing pathological cases.

Also see the next changeset for details.

--- 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')