diff --git a/node/log_entry_sync/src/sync_manager/metrics.rs b/node/log_entry_sync/src/sync_manager/metrics.rs
index 6634065..4409cc7 100644
--- a/node/log_entry_sync/src/sync_manager/metrics.rs
+++ b/node/log_entry_sync/src/sync_manager/metrics.rs
@@ -8,4 +8,6 @@ lazy_static::lazy_static! {
     pub static ref STORE_PUT_TX: Arc<dyn Timer> = register_timer("log_entry_sync_manager_put_tx_inner");
 
     pub static ref STORE_PUT_TX_SPEED_IN_BYTES: Arc<dyn Gauge<usize>> = GaugeUsize::register("log_entry_sync_manager_put_tx_speed_in_bytes");
+
+    pub static ref FlOW_CONTRACT_ROOT: Arc<dyn Timer> = register_timer("log_manager_flow_contract_root");
 }
diff --git a/node/log_entry_sync/src/sync_manager/mod.rs b/node/log_entry_sync/src/sync_manager/mod.rs
index 189d236..13c7f04 100644
--- a/node/log_entry_sync/src/sync_manager/mod.rs
+++ b/node/log_entry_sync/src/sync_manager/mod.rs
@@ -517,6 +517,7 @@ impl LogSyncManager {
             // If the call fails, we won't check the root here and return `true` directly.
             let flow_contract = self.log_fetcher.flow_contract();
 
+            let flow_time = Instant::now();
             match flow_contract
                 .get_flow_root_by_tx_seq(tx.seq.into())
                 .call()
@@ -547,6 +548,7 @@ impl LogSyncManager {
                     warn!(?e, "fail to read the on-chain flow root");
                 }
             }
+            metrics::FlOW_CONTRACT_ROOT.update_since(flow_time);
 
             metrics::STORE_PUT_TX_SPEED_IN_BYTES
                 .update((tx.size / start_time.elapsed().as_millis() as u64) as usize);
diff --git a/node/storage/src/log_store/log_manager.rs b/node/storage/src/log_store/log_manager.rs
index 65bfdf3..1fbd313 100644
--- a/node/storage/src/log_store/log_manager.rs
+++ b/node/storage/src/log_store/log_manager.rs
@@ -315,6 +315,7 @@ impl LogStoreWrite for LogManager {
     }
 
     fn finalize_tx_with_hash(&self, tx_seq: u64, tx_hash: H256) -> crate::error::Result<bool> {
+        let start_time = Instant::now();
         trace!(
             "finalize_tx_with_hash: tx_seq={} tx_hash={:?}",
             tx_seq,
@@ -343,6 +344,7 @@ impl LogStoreWrite for LogManager {
             if same_root_seq_list.first() == Some(&tx_seq) {
                 self.copy_tx_and_finalize(tx_seq, same_root_seq_list[1..].to_vec())?;
             }
+            metrics::FINALIZE_TX_WITH_HASH.update_since(start_time);
             Ok(true)
         } else {
             bail!("finalize tx hash with data missing: tx_seq={}", tx_seq)
diff --git a/node/storage/src/log_store/metrics.rs b/node/storage/src/log_store/metrics.rs
index ca05772..55706a3 100644
--- a/node/storage/src/log_store/metrics.rs
+++ b/node/storage/src/log_store/metrics.rs
@@ -34,4 +34,6 @@ lazy_static::lazy_static! {
         register_timer("log_store_flow_store_put_entry_batch_list");
 
     pub static ref APPEND_ENTRIES: Arc<dyn Timer> = register_timer("log_store_flow_store_append_entries");
+
+    pub static ref FINALIZE_TX_WITH_HASH: Arc<dyn Timer> = register_timer("log_store_log_manager_finalize_tx_with_hash");
 }