revlog: drop cache after use to save memory footprint
If we reconstruct back to back large versions, we need to drop the cache first to avoid doubling memory usage.
adding a
updating to branch default
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
% expect error, cloning not allowed
abort: authorization failed
requesting all changes
% serve errors
% expect error, pulling not allowed
abort: authorization failed
pulling from http://localhost:$HGPORT/
searching for changes
% serve errors