diff --git a/Cargo.lock b/Cargo.lock
index d6fa5cc..64f030e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -226,6 +226,7 @@ dependencies = [
  "itertools 0.13.0",
  "lazy_static",
  "lru 0.12.5",
+ "metrics",
  "once_cell",
  "serde",
  "tiny-keccak",
@@ -7300,8 +7301,10 @@ dependencies = [
  "kvdb",
  "kvdb-memorydb",
  "kvdb-rocksdb",
+ "lazy_static",
  "merkle_light",
  "merkle_tree",
+ "metrics",
  "once_cell",
  "parking_lot 0.12.3",
  "rand 0.8.5",
diff --git a/common/append_merkle/Cargo.toml b/common/append_merkle/Cargo.toml
index 2b1b8d6..7033875 100644
--- a/common/append_merkle/Cargo.toml
+++ b/common/append_merkle/Cargo.toml
@@ -13,5 +13,8 @@ serde = { version = "1.0.137", features = ["derive"] }
 lazy_static = "1.4.0"
 tracing = "0.1.36"
 once_cell = "1.19.0"
+
+metrics = { workspace = true }
+
 itertools = "0.13.0"
 lru = "0.12.5"
\ No newline at end of file
diff --git a/common/append_merkle/src/lib.rs b/common/append_merkle/src/lib.rs
index 86b550d..ccb7f6d 100644
--- a/common/append_merkle/src/lib.rs
+++ b/common/append_merkle/src/lib.rs
@@ -1,4 +1,5 @@
 mod merkle_tree;
+mod metrics;
 mod node_manager;
 mod proof;
 mod sha3;
@@ -10,6 +11,7 @@ use std::collections::{BTreeMap, HashMap};
 use std::fmt::Debug;
 use std::marker::PhantomData;
 use std::sync::Arc;
+use std::time::Instant;
 use tracing::{trace, warn};
 
 use crate::merkle_tree::MerkleTreeWrite;
@@ -145,6 +147,7 @@ impl<E: HashElement, A: Algorithm<E>> AppendMerkleTree<E, A> {
     }
 
     pub fn append(&mut self, new_leaf: E) {
+        let start_time = Instant::now();
         if new_leaf == E::null() {
             // appending null is not allowed.
             return;
@@ -152,10 +155,13 @@ impl<E: HashElement, A: Algorithm<E>> AppendMerkleTree<E, A> {
         self.node_manager.start_transaction();
         self.node_manager.push_node(0, new_leaf);
         self.recompute_after_append_leaves(self.leaves() - 1);
+
         self.node_manager.commit();
+        metrics::APPEND.update_since(start_time);
     }
 
     pub fn append_list(&mut self, leaf_list: Vec<E>) {
+        let start_time = Instant::now();
         if leaf_list.contains(&E::null()) {
             // appending null is not allowed.
             return;
@@ -165,6 +171,7 @@ impl<E: HashElement, A: Algorithm<E>> AppendMerkleTree<E, A> {
         self.node_manager.append_nodes(0, &leaf_list);
         self.recompute_after_append_leaves(start_index);
         self.node_manager.commit();
+        metrics::APPEND_LIST.update_since(start_time);
     }
 
     /// Append a leaf list by providing their intermediate node hash.
@@ -173,6 +180,7 @@ impl<E: HashElement, A: Algorithm<E>> AppendMerkleTree<E, A> {
     /// Other nodes in the subtree will be set to `null` nodes.
     /// TODO: Optimize to avoid storing the `null` nodes?
     pub fn append_subtree(&mut self, subtree_depth: usize, subtree_root: E) -> Result<()> {
+        let start_time = Instant::now();
         if subtree_root == E::null() {
             // appending null is not allowed.
             bail!("subtree_root is null");
@@ -182,10 +190,13 @@ impl<E: HashElement, A: Algorithm<E>> AppendMerkleTree<E, A> {
         self.append_subtree_inner(subtree_depth, subtree_root)?;
         self.recompute_after_append_subtree(start_index, subtree_depth - 1);
         self.node_manager.commit();
+        metrics::APPEND_SUBTREE.update_since(start_time);
+
         Ok(())
     }
 
     pub fn append_subtree_list(&mut self, subtree_list: Vec<(usize, E)>) -> Result<()> {
+        let start_time = Instant::now();
         if subtree_list.iter().any(|(_, root)| root == &E::null()) {
             // appending null is not allowed.
             bail!("subtree_list contains null");
@@ -197,12 +208,15 @@ impl<E: HashElement, A: Algorithm<E>> AppendMerkleTree<E, A> {
             self.recompute_after_append_subtree(start_index, subtree_depth - 1);
         }
         self.node_manager.commit();
+        metrics::APPEND_SUBTREE_LIST.update_since(start_time);
+
         Ok(())
     }
 
     /// Change the value of the last leaf and return the new merkle root.
     /// This is needed if our merkle-tree in memory only keeps intermediate nodes instead of real leaves.
     pub fn update_last(&mut self, updated_leaf: E) {
+        let start_time = Instant::now();
         if updated_leaf == E::null() {
             // updating to null is not allowed.
             return;
@@ -216,6 +230,7 @@ impl<E: HashElement, A: Algorithm<E>> AppendMerkleTree<E, A> {
         }
         self.recompute_after_append_leaves(self.leaves() - 1);
         self.node_manager.commit();
+        metrics::UPDATE_LAST.update_since(start_time);
     }
 
     /// Fill an unknown `null` leaf with its real value.
diff --git a/common/append_merkle/src/metrics.rs b/common/append_merkle/src/metrics.rs
new file mode 100644
index 0000000..cafa42f
--- /dev/null
+++ b/common/append_merkle/src/metrics.rs
@@ -0,0 +1,11 @@
+use std::sync::Arc;
+
+use metrics::{register_timer, Timer};
+
+lazy_static::lazy_static! {
+    pub static ref APPEND: Arc<dyn Timer> = register_timer("append_merkle_append");
+    pub static ref APPEND_LIST: Arc<dyn Timer> = register_timer("append_merkle_append_list");
+    pub static ref APPEND_SUBTREE: Arc<dyn Timer> = register_timer("append_merkle_append_subtree");
+    pub static ref APPEND_SUBTREE_LIST: Arc<dyn Timer> = register_timer("append_merkle_append_subtree_list");
+    pub static ref UPDATE_LAST: Arc<dyn Timer> = register_timer("append_merkle_update_last");
+}
diff --git a/node/storage/Cargo.toml b/node/storage/Cargo.toml
index aed9c68..c36afb4 100644
--- a/node/storage/Cargo.toml
+++ b/node/storage/Cargo.toml
@@ -31,6 +31,8 @@ parking_lot = "0.12.3"
 serde_json = "1.0.127"
 tokio = { version = "1.38.0", features = ["full"] }
 task_executor = { path = "../../common/task_executor" }
+lazy_static = "1.4.0"
+metrics = { workspace = true }
 once_cell = { version = "1.19.0", features = [] }
 
 [dev-dependencies]
diff --git a/node/storage/src/log_store/flow_store.rs b/node/storage/src/log_store/flow_store.rs
index 88b11e9..4bbd58e 100644
--- a/node/storage/src/log_store/flow_store.rs
+++ b/node/storage/src/log_store/flow_store.rs
@@ -1,13 +1,14 @@
-use super::load_chunk::EntryBatch;
-use super::seal_task_manager::SealTaskManager;
-use super::{MineLoadChunk, SealAnswer, SealTask};
 use crate::config::ShardConfig;
 use crate::error::Error;
+use crate::log_store::load_chunk::EntryBatch;
 use crate::log_store::log_manager::{
     bytes_to_entries, data_to_merkle_leaves, COL_ENTRY_BATCH, COL_ENTRY_BATCH_ROOT,
     COL_FLOW_MPT_NODES, ENTRY_SIZE, PORA_CHUNK_SIZE,
 };
-use crate::log_store::{FlowRead, FlowSeal, FlowWrite};
+use crate::log_store::seal_task_manager::SealTaskManager;
+use crate::log_store::{
+    metrics, FlowRead, FlowSeal, FlowWrite, MineLoadChunk, SealAnswer, SealTask,
+};
 use crate::{try_option, ZgsKeyValueDB};
 use any::Any;
 use anyhow::{anyhow, bail, Result};
@@ -22,6 +23,7 @@ use std::cmp::Ordering;
 use std::collections::BTreeMap;
 use std::fmt::Debug;
 use std::sync::Arc;
+use std::time::Instant;
 use std::{any, cmp, mem};
 use tracing::{debug, error, trace};
 use zgs_spec::{BYTES_PER_SECTOR, SEALS_PER_LOAD, SECTORS_PER_LOAD, SECTORS_PER_SEAL};
@@ -42,7 +44,11 @@ impl FlowStore {
     }
 
     pub fn put_batch_root_list(&self, root_map: BTreeMap<usize, (DataRoot, usize)>) -> Result<()> {
-        self.db.put_batch_root_list(root_map)
+        let start_time = Instant::now();
+        let res = self.db.put_batch_root_list(root_map);
+
+        metrics::PUT_BATCH_ROOT_LIST.update_since(start_time);
+        res
     }
 
     pub fn insert_subtree_list_for_batch(
@@ -50,6 +56,7 @@ impl FlowStore {
         batch_index: usize,
         subtree_list: Vec<(usize, usize, DataRoot)>,
     ) -> Result<()> {
+        let start_time = Instant::now();
         let mut batch = self
             .db
             .get_entry_batch(batch_index as u64)?
@@ -57,6 +64,8 @@ impl FlowStore {
         batch.set_subtree_list(subtree_list);
         self.db.put_entry_raw(vec![(batch_index as u64, batch)])?;
 
+        metrics::INSERT_SUBTREE_LIST.update_since(start_time);
+
         Ok(())
     }
 
@@ -75,7 +84,10 @@ impl FlowStore {
     }
 
     pub fn put_mpt_node_list(&self, node_list: Vec<(usize, usize, DataRoot)>) -> Result<()> {
-        self.db.put_mpt_node_list(node_list)
+        let start_time = Instant::now();
+        let res = self.db.put_mpt_node_list(node_list);
+        metrics::PUT_MPT_NODE.update_since(start_time);
+        res
     }
 
     pub fn delete_batch_list(&self, batch_list: &[u64]) -> Result<()> {
@@ -227,6 +239,7 @@ impl FlowWrite for FlowStore {
     /// Return the roots of completed chunks. The order is guaranteed to be increasing
     /// by chunk index.
     fn append_entries(&self, data: ChunkArray) -> Result<Vec<(u64, DataRoot)>> {
+        let start_time = Instant::now();
         let mut to_seal_set = self.seal_manager.to_seal_set.write();
         trace!("append_entries: {} {}", data.start_index, data.data.len());
         if data.data.len() % BYTES_PER_SECTOR != 0 {
@@ -269,6 +282,8 @@ impl FlowWrite for FlowStore {
 
             batch_list.push((chunk_index, batch));
         }
+
+        metrics::APPEND_ENTRIES.update_since(start_time);
         self.db.put_entry_batch_list(batch_list)
     }
 
@@ -378,6 +393,7 @@ impl FlowDBStore {
         &self,
         batch_list: Vec<(u64, EntryBatch)>,
     ) -> Result<Vec<(u64, DataRoot)>> {
+        let start_time = Instant::now();
         let mut completed_batches = Vec::new();
         let mut tx = self.kvdb.transaction();
         for (batch_index, batch) in batch_list {
@@ -398,6 +414,7 @@ impl FlowDBStore {
             }
         }
         self.kvdb.write(tx)?;
+        metrics::PUT_ENTRY_BATCH_LIST.update_since(start_time);
         Ok(completed_batches)
     }
 
diff --git a/node/storage/src/log_store/log_manager.rs b/node/storage/src/log_store/log_manager.rs
index 118bedb..7001fed 100644
--- a/node/storage/src/log_store/log_manager.rs
+++ b/node/storage/src/log_store/log_manager.rs
@@ -1,5 +1,3 @@
-use super::tx_store::BlockHashAndSubmissionIndex;
-use super::{FlowSeal, MineLoadChunk, SealAnswer, SealTask};
 use crate::config::ShardConfig;
 use crate::log_store::flow_store::{batch_iter_sharded, FlowConfig, FlowDBStore, FlowStore};
 use crate::log_store::tx_store::TransactionStore;
@@ -26,8 +24,13 @@ use std::collections::BTreeMap;
 use std::path::Path;
 use std::sync::mpsc;
 use std::sync::Arc;
+use std::time::Instant;
 use tracing::{debug, error, info, instrument, trace, warn};
 
+use crate::log_store::metrics;
+use crate::log_store::tx_store::BlockHashAndSubmissionIndex;
+use crate::log_store::{FlowSeal, MineLoadChunk, SealAnswer, SealTask};
+
 /// 256 Bytes
 pub const ENTRY_SIZE: usize = 256;
 /// 1024 Entries.
@@ -875,6 +878,7 @@ impl LogManager {
         if merkle_list.is_empty() {
             return Ok(());
         }
+        let start_time = Instant::now();
 
         self.pad_tx(tx_start_index, &mut *merkle)?;
 
@@ -920,12 +924,15 @@ impl LogManager {
             }
         }
         self.flow_store.put_batch_root_list(batch_root_map)?;
+
+        metrics::APPEND_SUBTREE_LIST.update_since(start_time);
         Ok(())
     }
 
     #[instrument(skip(self, merkle))]
     fn pad_tx(&self, tx_start_index: u64, merkle: &mut MerkleManager) -> Result<()> {
         // Check if we need to pad the flow.
+        let start_time = Instant::now();
         let mut tx_start_flow_index =
             merkle.last_chunk_start_index() + merkle.last_chunk_merkle.leaves() as u64;
         let pad_size = tx_start_index - tx_start_flow_index;
@@ -1014,6 +1021,8 @@ impl LogManager {
             merkle.pora_chunks_merkle.leaves(),
             merkle.last_chunk_merkle.leaves()
         );
+
+        metrics::PAD_TX.update_since(start_time);
         Ok(())
     }
 
@@ -1142,6 +1151,8 @@ impl LogManager {
     }
 
     fn copy_tx_and_finalize(&self, from_tx_seq: u64, to_tx_seq_list: Vec<u64>) -> Result<()> {
+        let start_time = Instant::now();
+
         let mut merkle = self.merkle.write();
         let shard_config = self.flow_store.get_shard_config();
         // We have all the data need for this tx, so just copy them.
@@ -1190,6 +1201,8 @@ impl LogManager {
         for (seq, _) in to_tx_offset_list {
             self.tx_store.finalize_tx(seq)?;
         }
+
+        metrics::COPY_TX_AND_FINALIZE.update_since(start_time);
         Ok(())
     }
 
@@ -1262,6 +1275,7 @@ pub fn sub_merkle_tree(leaf_data: &[u8]) -> Result<FileMerkleTree> {
 }
 
 pub fn data_to_merkle_leaves(leaf_data: &[u8]) -> Result<Vec<H256>> {
+    let start_time = Instant::now();
     if leaf_data.len() % ENTRY_SIZE != 0 {
         bail!("merkle_tree: mismatched data size");
     }
@@ -1277,6 +1291,8 @@ pub fn data_to_merkle_leaves(leaf_data: &[u8]) -> Result<Vec<H256>> {
             .map(Sha3Algorithm::leaf)
             .collect()
     };
+
+    metrics::DATA_TO_MERKLE_LEAVES.update_since(start_time);
     Ok(r)
 }
 
diff --git a/node/storage/src/log_store/metrics.rs b/node/storage/src/log_store/metrics.rs
new file mode 100644
index 0000000..64c480e
--- /dev/null
+++ b/node/storage/src/log_store/metrics.rs
@@ -0,0 +1,33 @@
+use std::sync::Arc;
+
+use metrics::{register_timer, Timer};
+
+lazy_static::lazy_static! {
+    pub static ref TX_STORE_PUT: Arc<dyn Timer> = register_timer("log_store_tx_store_put_tx");
+
+    pub static ref CHECK_TX_COMPLETED: Arc<dyn Timer> =
+        register_timer("log_store_log_manager_check_tx_completed");
+
+    pub static ref APPEND_SUBTREE_LIST: Arc<dyn Timer> =
+        register_timer("log_store_log_manager_append_subtree_list");
+
+    pub static ref DATA_TO_MERKLE_LEAVES: Arc<dyn Timer> =
+        register_timer("log_store_log_manager_data_to_merkle_leaves");
+
+    pub static ref COPY_TX_AND_FINALIZE: Arc<dyn Timer> =
+        register_timer("log_store_log_manager_copy_tx_and_finalize");
+
+    pub static ref PAD_TX: Arc<dyn Timer> = register_timer("log_store_log_manager_pad_tx");
+
+    pub static ref PUT_BATCH_ROOT_LIST: Arc<dyn Timer> = register_timer("log_store_flow_store_put_batch_root_list");
+
+    pub static ref INSERT_SUBTREE_LIST: Arc<dyn Timer> =
+        register_timer("log_store_flow_store_insert_subtree_list");
+
+    pub static ref PUT_MPT_NODE: Arc<dyn Timer> = register_timer("log_store_flow_store_put_mpt_node");
+
+    pub static ref PUT_ENTRY_BATCH_LIST: Arc<dyn Timer> =
+        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");
+}
diff --git a/node/storage/src/log_store/mod.rs b/node/storage/src/log_store/mod.rs
index 19f99ee..74df4c4 100644
--- a/node/storage/src/log_store/mod.rs
+++ b/node/storage/src/log_store/mod.rs
@@ -15,6 +15,7 @@ pub mod config;
 mod flow_store;
 mod load_chunk;
 pub mod log_manager;
+mod metrics;
 mod seal_task_manager;
 #[cfg(test)]
 mod tests;
diff --git a/node/storage/src/log_store/tx_store.rs b/node/storage/src/log_store/tx_store.rs
index 37d4b45..a617a37 100644
--- a/node/storage/src/log_store/tx_store.rs
+++ b/node/storage/src/log_store/tx_store.rs
@@ -3,6 +3,7 @@ use crate::log_store::log_manager::{
     data_to_merkle_leaves, sub_merkle_tree, COL_BLOCK_PROGRESS, COL_MISC, COL_TX, COL_TX_COMPLETED,
     COL_TX_DATA_ROOT_INDEX, ENTRY_SIZE, PORA_CHUNK_SIZE,
 };
+use crate::log_store::metrics;
 use crate::{try_option, LogManager, ZgsKeyValueDB};
 use anyhow::{anyhow, Result};
 use append_merkle::{AppendMerkleTree, MerkleTreeRead, Sha3Algorithm};
@@ -15,6 +16,7 @@ use std::collections::hash_map::Entry;
 use std::collections::HashMap;
 use std::sync::atomic::{AtomicU64, Ordering};
 use std::sync::Arc;
+use std::time::Instant;
 use tracing::{error, instrument};
 
 const LOG_SYNC_PROGRESS_KEY: &str = "log_sync_progress";
@@ -51,6 +53,8 @@ impl TransactionStore {
     #[instrument(skip(self))]
     /// Return `Ok(Some(tx_seq))` if a previous transaction has the same tx root.
     pub fn put_tx(&self, mut tx: Transaction) -> Result<Vec<u64>> {
+        let start_time = Instant::now();
+
         let old_tx_seq_list = self.get_tx_seq_list_by_data_root(&tx.data_merkle_root)?;
         if old_tx_seq_list.last().is_some_and(|seq| *seq == tx.seq) {
             // The last tx is inserted again, so no need to process it.
@@ -86,6 +90,7 @@ impl TransactionStore {
         );
         self.next_tx_seq.store(tx.seq + 1, Ordering::SeqCst);
         self.kvdb.write(db_tx)?;
+        metrics::TX_STORE_PUT.update_since(start_time);
         Ok(old_tx_seq_list)
     }
 
@@ -175,8 +180,12 @@ impl TransactionStore {
     }
 
     pub fn check_tx_completed(&self, tx_seq: u64) -> Result<bool> {
-        Ok(self.kvdb.get(COL_TX_COMPLETED, &tx_seq.to_be_bytes())?
-            == Some(vec![TX_STATUS_FINALIZED]))
+        let start_time = Instant::now();
+        let res = self.kvdb.get(COL_TX_COMPLETED, &tx_seq.to_be_bytes())?
+            == Some(vec![TX_STATUS_FINALIZED]);
+
+        metrics::CHECK_TX_COMPLETED.update_since(start_time);
+        Ok(res)
     }
 
     pub fn check_tx_pruned(&self, tx_seq: u64) -> Result<bool> {
diff --git a/tests/sync_auto_random_v2_test.py b/tests/sync_auto_random_v2_test.py
index 0196327..39a12c5 100644
--- a/tests/sync_auto_random_v2_test.py
+++ b/tests/sync_auto_random_v2_test.py
@@ -3,6 +3,7 @@
 from test_framework.test_framework import TestFramework
 from utility.utils import wait_until
 
+
 class AutoRandomSyncV2Test(TestFramework):
     def setup_params(self):
         self.num_nodes = 4
@@ -30,5 +31,6 @@ class AutoRandomSyncV2Test(TestFramework):
             wait_until(lambda: self.nodes[i].zgs_get_file_info(data_root_2) is not None)
             wait_until(lambda: self.nodes[i].zgs_get_file_info(data_root_2)["finalized"])
 
+
 if __name__ == "__main__":
     AutoRandomSyncV2Test().main()