Add CHANGES note for [GL #4591]

(cherry picked from commit db69cc7891d966dfc767cb2da469771fbe4d0997)
(cherry picked from commit 99d0ba442054189257b2c5e23be4b59e5df1c98c)

diff --git a/CHANGES b/CHANGES
index 0cbc6801537d580a328777f26483e03858943fcf..3c379383f657bc053c5d60dc94fd147a52ab3267 100644 (file)
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,8 @@
+6353.  [bug]           Improve the TTL-based cleaning by removing the expired
+                       headers from the heap, so they don't block the next
+                       cleaning round and clean more than a single item for
+                       each new addition to the RBTDB. [GL #4591]
+
 6352.  [bug]           Decrease lock contention during RBTDB tree pruning
                        introduced in change 6319 by making the prunenodes list
                        bucketed and not cleaning up nodes recursively within a