doc: fix outdated content in cache tier

same as d5a56c497a844da8401661f24e68bb325be551e7

Signed-off-by: Yuan Zhou <yuan.zhou@intel.com>

diff --git a/doc/rados/operations/cache-tiering.rst b/doc/rados/operations/cache-tiering.rst
index 8275fe4381d39e694638a7bf801215a804e08266..bde4267b56b2008340198ef53864adb1c9a2f375 100644 (file)
--- a/doc/rados/operations/cache-tiering.rst
+++ b/doc/rados/operations/cache-tiering.rst
@@ -174,9 +174,7 @@ For example::
        ceph osd pool set hot-storage hit_set_type bloom
 
 The ``hit_set_count`` and ``hit_set_period`` define how much time each HitSet
-should cover, and how many such HitSets to store. Currently there is minimal
-benefit for ``hit_set_count`` > 1 since the agent does not yet act intelligently
-on that information. ::
+should cover, and how many such HitSets to store. ::
 
        ceph osd pool set {cachepool} hit_set_count 1
        ceph osd pool set {cachepool} hit_set_period 3600