PendingReleaseNotes: note about mgr/balancer/max_misplaced change

Signed-off-by: Sage Weil <sage@redhat.com>

diff --git a/PendingReleaseNotes b/PendingReleaseNotes
index c51cd7736ca569dcf7679742cc5ebd1fd6324dfc..7346168d5578dc7ec5d1cf907aceb15468934846 100644 (file)
--- a/PendingReleaseNotes
+++ b/PendingReleaseNotes
@@ -124,6 +124,12 @@
   additional 500 MB to 1 GB of RAM for large clusters, and much less
   for small clusters.
 
+* The ``mgr/balancer/max_misplaced`` option has been replaced by a new
+  global ``target_max_misplaced_ratio`` option that throttles both
+  balancer activity and automated adjustments to ``pgp_num`` (normally as a
+  result of ``pg_num`` changes).  If you have customized the balancer module
+  option, you will need to adjust your config to set the new global option
+  or revert to the default of .05 (5%).
 
 
 Upgrading from Luminous