diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index a9c61f152..6ff82a5e9 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -17,8 +17,11 @@ Fixed
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 - Fix operation priority in Raft failover.
+
 - Typo in ``cartridge.cfg`` option ``enable_synchro_mode``.
 
+- Show issue about memory usage when using large tuples.
+
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 Deprecated
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
diff --git a/cartridge/issues.lua b/cartridge/issues.lua
index 43db60705..1aaac72ee 100644
--- a/cartridge/issues.lua
+++ b/cartridge/issues.lua
@@ -331,10 +331,13 @@ local function list_on_instance(opts)
     local items_used_ratio = slab_info.items_used / (slab_info.items_size + 0.0001)
     local arena_used_ratio = slab_info.arena_used / (slab_info.arena_size + 0.0001)
     local quota_used_ratio = slab_info.quota_used / (slab_info.quota_size + 0.0001)
+    local total_used_ratio =
+        (slab_info.arena_used + slab_info.quota_used - slab_info.arena_size) / (slab_info.quota_size + 0.0001)
 
     if  items_used_ratio > vars.limits.fragmentation_threshold_critical
     and arena_used_ratio > vars.limits.fragmentation_threshold_critical
     and quota_used_ratio > vars.limits.fragmentation_threshold_critical
+    or  total_used_ratio > vars.limits.fragmentation_threshold_critical
     or  items_used_ratio >= vars.limits.fragmentation_threshold_full
     or  quota_used_ratio >= vars.limits.fragmentation_threshold_full
     then
@@ -354,6 +357,7 @@ local function list_on_instance(opts)
     elseif items_used_ratio > vars.limits.fragmentation_threshold_warning
     and arena_used_ratio > vars.limits.fragmentation_threshold_critical
     and quota_used_ratio > vars.limits.fragmentation_threshold_critical
+    or  total_used_ratio > vars.limits.fragmentation_threshold_warning
     then
         table.insert(ret, {
             level = 'warning',