From 8b88bbab5f27e45551231c1b82c6170ac710eb77 Mon Sep 17 00:00:00 2001 From: Ilya Dryomov Date: Sat, 20 Jan 2024 16:00:46 +0100 Subject: [PATCH] PendingReleaseNotes: add rbd_diff_iterate2 note Signed-off-by: Ilya Dryomov (cherry picked from commit 40e8813e9c705838eee42c98de717b20851aed72) Conflicts: PendingReleaseNotes [ moved to >=17.2.8 section ] --- PendingReleaseNotes | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/PendingReleaseNotes b/PendingReleaseNotes index 1dce4f83b03be..67001f2c66cec 100644 --- a/PendingReleaseNotes +++ b/PendingReleaseNotes @@ -4,6 +4,11 @@ * RADOS: `get_pool_is_selfmanaged_snaps_mode` C++ API has been deprecated due to being prone to false negative results. It's safer replacement is `pool_is_in_selfmanaged_snaps_mode`. +* RBD: When diffing against the beginning of time (`fromsnapname == NULL`) in + fast-diff mode (`whole_object == true` with `fast-diff` image feature enabled + and valid), diff-iterate is now guaranteed to execute locally if exclusive + lock is available. This brings a dramatic performance improvement for QEMU + live disk synchronization and backup use cases. >=17.2.7 -------- -- 2.39.5