Merge b352184dc6 into 4b48d25fb4

node/storage/src/log_store/metrics.rs

@@ -38,4 +38,6 @@ lazy_static::lazy_static! {
     pub static ref FINALIZE_TX_WITH_HASH: Arc<dyn Timer> = register_timer("log_store_log_manager_finalize_tx_with_hash");
 
     pub static ref DATA_TO_MERKLE_LEAVES_SIZE: Arc<dyn Gauge<usize>> = GaugeUsize::register("log_store_data_to_merkle_leaves_size");
+
+    pub static ref TX_BY_SEQ_NUMBER: Arc<dyn Timer> = register_timer("log_store_tx_store_get_tx_by_seq_number");
 }

node/storage/src/log_store/tx_store.rs

@@ -118,11 +118,13 @@ impl TransactionStore {
     }
 
     pub fn get_tx_by_seq_number(&self, seq: u64) -> Result<Option<Transaction>> {
+        let start_time = Instant::now();
         if seq >= self.next_tx_seq() {
             return Ok(None);
         }
         let value = try_option!(self.kvdb.get(COL_TX, &seq.to_be_bytes())?);
         let tx = Transaction::from_ssz_bytes(&value).map_err(Error::from)?;
+        metrics::TX_BY_SEQ_NUMBER.update_since(start_time);
         Ok(Some(tx))
     }