diff --git a/massa-metrics/src/lib.rs b/massa-metrics/src/lib.rs
index 90a949f9a2b..542428e019c 100644
--- a/massa-metrics/src/lib.rs
+++ b/massa-metrics/src/lib.rs
@@ -74,6 +74,10 @@ pub struct MassaMetrics {
     consensus_state_discarded_index: IntGauge,
     consensus_state_block_statuses: IntGauge,
 
+    // endorsement cache
+    endorsement_cache_checked_endorsements: IntGauge,
+    endorsement_cache_known_by_peer: IntGauge,
+
     // blocks_counter: IntGauge,
     // endorsements_counter: IntGauge,
     // operations_counter: IntGauge,
@@ -196,6 +200,18 @@ impl MassaMetrics {
         )
         .unwrap();
 
+        let endorsement_cache_checked_endorsements = IntGauge::new(
+            "endorsement_cache_checked_endorsements",
+            "endorsement cache checked endorsements size",
+        )
+        .unwrap();
+
+        let endorsement_cache_known_by_peer = IntGauge::new(
+            "endorsement_cache_known_by_peer",
+            "endorsement cache know by peer size",
+        )
+        .unwrap();
+
         if enabled {
             for i in 0..nb_thread {
                 let gauge = Gauge::new(
@@ -239,6 +255,9 @@ impl MassaMetrics {
                 let _ = prometheus::register(Box::new(
                     operation_cache_checked_operations_prefix.clone(),
                 ));
+                let _ =
+                    prometheus::register(Box::new(endorsement_cache_checked_endorsements.clone()));
+                let _ = prometheus::register(Box::new(endorsement_cache_known_by_peer.clone()));
             }
         }
 
@@ -257,6 +276,8 @@ impl MassaMetrics {
             consensus_state_incoming_index,
             consensus_state_discarded_index,
             consensus_state_block_statuses,
+            endorsement_cache_checked_endorsements,
+            endorsement_cache_known_by_peer,
             // blocks_counter,
             // endorsements_counter,
             // operations_counter,
@@ -353,6 +374,17 @@ impl MassaMetrics {
         self.operation_cache_ops_know_by_peer
             .set(ops_know_by_peer as i64);
     }
+
+    pub fn set_endorsements_cache_metrics(
+        &self,
+        checked_endorsements: usize,
+        known_by_peer: usize,
+    ) {
+        self.endorsement_cache_checked_endorsements
+            .set(checked_endorsements as i64);
+        self.endorsement_cache_known_by_peer
+            .set(known_by_peer as i64);
+    }
 }
 // mod test {
 //     use massa_channel::MassaChannel;
diff --git a/massa-protocol-worker/src/connectivity.rs b/massa-protocol-worker/src/connectivity.rs
index 008201683bc..21677095364 100644
--- a/massa-protocol-worker/src/connectivity.rs
+++ b/massa-protocol-worker/src/connectivity.rs
@@ -154,6 +154,7 @@ pub(crate) fn start_connectivity_thread(
                 sender_endorsements_propagation_ext,
                 protocol_channels.endorsement_handler_propagation.1.clone(),
                 peer_management_handler.sender.command_sender.clone(),
+                massa_metrics.clone(),
             );
             let mut block_handler = BlockHandler::new(
                 network_controller.get_active_connections(),
diff --git a/massa-protocol-worker/src/handlers/endorsement_handler/mod.rs b/massa-protocol-worker/src/handlers/endorsement_handler/mod.rs
index 8d09bf4480f..e2ae65e6f17 100644
--- a/massa-protocol-worker/src/handlers/endorsement_handler/mod.rs
+++ b/massa-protocol-worker/src/handlers/endorsement_handler/mod.rs
@@ -1,6 +1,7 @@
 use std::thread::JoinHandle;
 
 use massa_channel::{receiver::MassaReceiver, sender::MassaSender};
+use massa_metrics::MassaMetrics;
 use massa_pool_exports::PoolController;
 use massa_protocol_exports::ProtocolConfig;
 use massa_storage::Storage;
@@ -49,6 +50,7 @@ impl EndorsementHandler {
         local_sender: MassaSender<EndorsementHandlerPropagationCommand>,
         local_receiver: MassaReceiver<EndorsementHandlerPropagationCommand>,
         sender_peer_cmd: MassaSender<PeerManagementCmd>,
+        massa_metrics: MassaMetrics,
     ) -> Self {
         let endorsement_retrieval_thread = start_retrieval_thread(
             receiver,
@@ -59,6 +61,7 @@ impl EndorsementHandler {
             pool_controller,
             config.clone(),
             storage.clone_without_refs(),
+            massa_metrics,
         );
 
         let endorsement_propagation_thread =
diff --git a/massa-protocol-worker/src/handlers/endorsement_handler/retrieval.rs b/massa-protocol-worker/src/handlers/endorsement_handler/retrieval.rs
index 654946c618d..62cff41dfa9 100644
--- a/massa-protocol-worker/src/handlers/endorsement_handler/retrieval.rs
+++ b/massa-protocol-worker/src/handlers/endorsement_handler/retrieval.rs
@@ -1,8 +1,9 @@
-use std::thread::JoinHandle;
+use std::{thread::JoinHandle, time::Duration};
 
-use crossbeam::select;
+use crossbeam::{channel::tick, select};
 use massa_channel::{receiver::MassaReceiver, sender::MassaSender};
 use massa_logging::massa_trace;
+use massa_metrics::MassaMetrics;
 use massa_models::{
     endorsement::SecureShareEndorsement,
     prehash::{CapacityAllocator, PreHashMap, PreHashSet},
@@ -41,6 +42,7 @@ pub struct RetrievalThread {
     config: ProtocolConfig,
     storage: Storage,
     peer_cmd_sender: MassaSender<PeerManagementCmd>,
+    metrics: MassaMetrics,
 }
 
 impl RetrievalThread {
@@ -51,6 +53,8 @@ impl RetrievalThread {
                 max_length_endorsements: self.config.max_endorsements_per_message,
                 endorsement_count: self.config.endorsement_count,
             });
+        let tick_metrics = tick(Duration::from_secs(5));
+
         loop {
             select! {
                 recv(self.receiver) -> msg => {
@@ -110,6 +114,17 @@ impl RetrievalThread {
                             return;
                         }
                     }
+                },
+                recv(tick_metrics) -> _ => {
+                    // update metrics
+                    let read = self.cache.read();
+                    let count = read
+                        .endorsements_known_by_peer
+                        .iter()
+                        .map(|(_peer_id, map)| map.len())
+                        .sum();
+                    self.metrics
+                        .set_endorsements_cache_metrics(read.checked_endorsements.len(), count);
                 }
             }
         }
@@ -261,6 +276,7 @@ pub fn start_retrieval_thread(
     pool_controller: Box<dyn PoolController>,
     config: ProtocolConfig,
     storage: Storage,
+    metrics: MassaMetrics,
 ) -> JoinHandle<()> {
     std::thread::Builder::new()
         .name("protocol-endorsement-handler-retrieval".to_string())
@@ -274,6 +290,7 @@ pub fn start_retrieval_thread(
                 pool_controller,
                 config,
                 storage,
+                metrics,
             };
             retrieval_thread.run();
         })