--- a/mercurial/configitems.py Thu May 27 04:09:10 2021 +0200
+++ b/mercurial/configitems.py Thu May 27 04:09:30 2021 +0200
@@ -1161,6 +1161,7 @@
# keeping references to the affected revlogs, especially memory-wise when
# rewriting sidedata.
# * introduce a proper solution to reduce the number of filelog related files.
+# * use caching for reading sidedata (similar to what we do for data).
# * Improvement to consider
# - avoid compression header in chunk using the default compression?
# - forbid "inline" compression mode entirely?