diff --git a/Cargo.lock b/Cargo.lock
index 5c3a249..64ec1d3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -7280,6 +7280,7 @@ dependencies = [
  "serde_json",
  "shared_types",
  "static_assertions",
+ "task_executor",
  "tiny-keccak",
  "tokio",
  "tracing",
diff --git a/node/router/src/libp2p_event_handler.rs b/node/router/src/libp2p_event_handler.rs
index 551a313..5ed5f71 100644
--- a/node/router/src/libp2p_event_handler.rs
+++ b/node/router/src/libp2p_event_handler.rs
@@ -911,7 +911,9 @@ mod tests {
             let (network_send, network_recv) = mpsc::unbounded_channel();
             let (sync_send, sync_recv) = channel::Channel::unbounded("test");
             let (chunk_pool_send, _chunk_pool_recv) = mpsc::unbounded_channel();
-            let store = LogManager::memorydb(LogConfig::default()).unwrap();
+
+            let executor = runtime.task_executor.clone();
+            let store = LogManager::memorydb(LogConfig::default(), executor).unwrap();
             Self {
                 runtime,
                 network_globals: Arc::new(network_globals),
diff --git a/node/src/client/builder.rs b/node/src/client/builder.rs
index 2ff7b0e..4d742e1 100644
--- a/node/src/client/builder.rs
+++ b/node/src/client/builder.rs
@@ -89,9 +89,10 @@ impl ClientBuilder {
 
     /// Initializes in-memory storage.
     pub fn with_memory_store(mut self) -> Result<Self, String> {
+        let executor = require!("sync", self, runtime_context).clone().executor;
         // TODO(zz): Set config.
         let store = Arc::new(
-            LogManager::memorydb(LogConfig::default())
+            LogManager::memorydb(LogConfig::default(), executor)
                 .map_err(|e| format!("Unable to start in-memory store: {:?}", e))?,
         );
 
@@ -109,8 +110,9 @@ impl ClientBuilder {
 
     /// Initializes RocksDB storage.
     pub fn with_rocksdb_store(mut self, config: &StorageConfig) -> Result<Self, String> {
+        let executor = require!("sync", self, runtime_context).clone().executor;
         let store = Arc::new(
-            LogManager::rocksdb(LogConfig::default(), &config.db_dir)
+            LogManager::rocksdb(LogConfig::default(), &config.db_dir, executor)
                 .map_err(|e| format!("Unable to start RocksDB store: {:?}", e))?,
         );
 
diff --git a/node/storage/Cargo.toml b/node/storage/Cargo.toml
index 2c89d6e..9c7ebca 100644
--- a/node/storage/Cargo.toml
+++ b/node/storage/Cargo.toml
@@ -30,6 +30,7 @@ serde = { version = "1.0.197", features = ["derive"] }
 parking_lot = "0.12.3"
 serde_json = "1.0.127"
 tokio = { version = "1.10.0", features = ["sync"] }
+task_executor = { path = "../../common/task_executor" }
 
 [dev-dependencies]
 rand = "0.8.5"
diff --git a/node/storage/benches/benchmark.rs b/node/storage/benches/benchmark.rs
index 6034f1c..43fce03 100644
--- a/node/storage/benches/benchmark.rs
+++ b/node/storage/benches/benchmark.rs
@@ -14,14 +14,18 @@ use storage::{
     },
     LogManager,
 };
+use task_executor::test_utils::TestRuntime;
 
 fn write_performance(c: &mut Criterion) {
     if Path::new("db_write").exists() {
         fs::remove_dir_all("db_write").unwrap();
     }
+    let runtime = TestRuntime::default();
+
+    let executor = runtime.task_executor.clone();
 
     let store: Arc<RwLock<dyn Store>> = Arc::new(RwLock::new(
-        LogManager::rocksdb(LogConfig::default(), "db_write")
+        LogManager::rocksdb(LogConfig::default(), "db_write", executor)
             .map_err(|e| format!("Unable to start RocksDB store: {:?}", e))
             .unwrap(),
     ));
@@ -105,8 +109,12 @@ fn read_performance(c: &mut Criterion) {
         fs::remove_dir_all("db_read").unwrap();
     }
 
+    let runtime = TestRuntime::default();
+
+    let executor = runtime.task_executor.clone();
+
     let store: Arc<RwLock<dyn Store>> = Arc::new(RwLock::new(
-        LogManager::rocksdb(LogConfig::default(), "db_read")
+        LogManager::rocksdb(LogConfig::default(), "db_read", executor)
             .map_err(|e| format!("Unable to start RocksDB store: {:?}", e))
             .unwrap(),
     ));
diff --git a/node/storage/src/log_store/log_manager.rs b/node/storage/src/log_store/log_manager.rs
index 9c75e58..79e14c1 100644
--- a/node/storage/src/log_store/log_manager.rs
+++ b/node/storage/src/log_store/log_manager.rs
@@ -23,7 +23,6 @@ use std::collections::BTreeMap;
 use std::path::Path;
 use std::sync::mpsc;
 use std::sync::Arc;
-use std::thread;
 use tracing::{debug, error, info, instrument, trace, warn};
 
 use super::tx_store::BlockHashAndSubmissionIndex;
@@ -606,19 +605,27 @@ impl LogStoreRead for LogManager {
 }
 
 impl LogManager {
-    pub fn rocksdb(config: LogConfig, path: impl AsRef<Path>) -> Result<Self> {
+    pub fn rocksdb(
+        config: LogConfig,
+        path: impl AsRef<Path>,
+        executor: task_executor::TaskExecutor,
+    ) -> Result<Self> {
         let mut db_config = DatabaseConfig::with_columns(COL_NUM);
         db_config.enable_statistics = true;
         let db = Arc::new(Database::open(&db_config, path)?);
-        Self::new(db, config)
+        Self::new(db, config, executor)
     }
 
-    pub fn memorydb(config: LogConfig) -> Result<Self> {
+    pub fn memorydb(config: LogConfig, executor: task_executor::TaskExecutor) -> Result<Self> {
         let db = Arc::new(kvdb_memorydb::create(COL_NUM));
-        Self::new(db, config)
+        Self::new(db, config, executor)
     }
 
-    fn new(db: Arc<dyn ZgsKeyValueDB>, config: LogConfig) -> Result<Self> {
+    fn new(
+        db: Arc<dyn ZgsKeyValueDB>,
+        config: LogConfig,
+        executor: task_executor::TaskExecutor,
+    ) -> Result<Self> {
         let tx_store = TransactionStore::new(db.clone())?;
         let flow_store = Arc::new(FlowStore::new(db.clone(), config.flow));
         let mut initial_data = flow_store.get_chunk_root_list()?;
@@ -735,7 +742,7 @@ impl LogManager {
             sender,
         };
 
-        log_manager.start_receiver(receiver);
+        log_manager.start_receiver(receiver, executor);
 
         if let Some(tx) = last_tx_to_insert {
             log_manager.revert_to(tx.seq - 1)?;
@@ -758,32 +765,39 @@ impl LogManager {
         Ok(log_manager)
     }
 
-    fn start_receiver(&mut self, rx: mpsc::Receiver<UpdateFlowMessage>) {
+    fn start_receiver(
+        &mut self,
+        rx: mpsc::Receiver<UpdateFlowMessage>,
+        executor: task_executor::TaskExecutor,
+    ) {
         let flow_store = self.flow_store.clone();
-        let handle = thread::spawn(move || -> Result<(), anyhow::Error> {
-            loop {
-                match rx.recv() {
-                    std::result::Result::Ok(data) => {
-                        // Update the root index.
-                        flow_store.put_batch_root_list(data.root_map).unwrap();
-                        // Update the flow database.
-                        // This should be called before `complete_last_chunk_merkle` so that we do not save
-                        // subtrees with data known.
-                        flow_store
-                            .append_entries(ChunkArray {
-                                data: vec![0; data.pad_data],
-                                start_index: data.tx_start_flow_index,
-                            })
-                            .unwrap();
-                    }
-                    std::result::Result::Err(_) => {
-                        bail!("Receiver error");
-                    }
+        executor.spawn(
+            async move {
+                loop {
+                    match rx.recv() {
+                        std::result::Result::Ok(data) => {
+                            // Update the root index.
+                            flow_store.put_batch_root_list(data.root_map).unwrap();
+                            // Update the flow database.
+                            // This should be called before `complete_last_chunk_merkle` so that we do not save
+                            // subtrees with data known.
+                            flow_store
+                                .append_entries(ChunkArray {
+                                    data: vec![0; data.pad_data],
+                                    start_index: data.tx_start_flow_index,
+                                })
+                                .unwrap();
+                        }
+                        std::result::Result::Err(_) => {
+                            error!("Receiver error");
+                        }
+                    };
                 }
-            }
-        });
+            },
+            "pad_tx",
+        );
         // Wait for the spawned thread to finish
-        let _ = handle.join().expect("Thread panicked");
+        // let _ = handle.join().expect("Thread panicked");
     }
 
     fn gen_proof(&self, flow_index: u64, maybe_root: Option<DataRoot>) -> Result<FlowProof> {
diff --git a/node/storage/src/log_store/tests.rs b/node/storage/src/log_store/tests.rs
index 026e78c..d56613d 100644
--- a/node/storage/src/log_store/tests.rs
+++ b/node/storage/src/log_store/tests.rs
@@ -8,11 +8,15 @@ use ethereum_types::H256;
 use rand::random;
 use shared_types::{compute_padded_chunk_size, ChunkArray, Transaction, CHUNK_SIZE};
 use std::cmp;
+use task_executor::test_utils::TestRuntime;
 
 #[test]
 fn test_put_get() {
     let config = LogConfig::default();
-    let store = LogManager::memorydb(config.clone()).unwrap();
+    let runtime = TestRuntime::default();
+
+    let executor = runtime.task_executor.clone();
+    let store = LogManager::memorydb(config.clone(), executor).unwrap();
     let chunk_count = config.flow.batch_size + config.flow.batch_size / 2 - 1;
     // Aligned with size.
     let start_offset = 1024;
@@ -169,8 +173,10 @@ fn test_put_tx() {
 
 fn create_store() -> LogManager {
     let config = LogConfig::default();
+    let runtime = TestRuntime::default();
+    let executor = runtime.task_executor.clone();
 
-    LogManager::memorydb(config).unwrap()
+    LogManager::memorydb(config, executor).unwrap()
 }
 
 fn put_tx(store: &mut LogManager, chunk_count: usize, seq: u64) {
diff --git a/node/sync/src/controllers/serial.rs b/node/sync/src/controllers/serial.rs
index 485e6cf..dcf724a 100644
--- a/node/sync/src/controllers/serial.rs
+++ b/node/sync/src/controllers/serial.rs
@@ -1622,7 +1622,7 @@ mod tests {
         let num_chunks = 123;
 
         let config = LogConfig::default();
-        let store = Arc::new(LogManager::memorydb(config).unwrap());
+        let store = Arc::new(LogManager::memorydb(config, task_executor.clone()).unwrap());
 
         create_controller(task_executor, peer_id, store, tx_id, num_chunks)
     }
diff --git a/node/sync/src/service.rs b/node/sync/src/service.rs
index 4132433..7efba4e 100644
--- a/node/sync/src/service.rs
+++ b/node/sync/src/service.rs
@@ -1294,7 +1294,9 @@ mod tests {
 
         let config = LogConfig::default();
 
-        let store = Arc::new(LogManager::memorydb(config.clone()).unwrap());
+        let executor = runtime.task_executor.clone();
+
+        let store = Arc::new(LogManager::memorydb(config.clone(), executor).unwrap());
 
         let init_peer_id = identity::Keypair::generate_ed25519().public().to_peer_id();
         let file_location_cache: Arc<FileLocationCache> =
diff --git a/node/sync/src/test_util.rs b/node/sync/src/test_util.rs
index d3a0981..0a527a9 100644
--- a/node/sync/src/test_util.rs
+++ b/node/sync/src/test_util.rs
@@ -9,6 +9,8 @@ use storage::{
     LogManager,
 };
 
+use task_executor::test_utils::TestRuntime;
+
 /// Creates stores for local node and peers with initialized transaction of specified chunk count.
 /// The first store is for local node, and data not stored. The second store is for peers, and all
 /// transactions are finalized for file sync.
@@ -22,8 +24,11 @@ pub fn create_2_store(
     Vec<Vec<u8>>,
 ) {
     let config = LogConfig::default();
-    let mut store = LogManager::memorydb(config.clone()).unwrap();
-    let mut peer_store = LogManager::memorydb(config).unwrap();
+    let runtime = TestRuntime::default();
+
+    let executor = runtime.task_executor.clone();
+    let mut store = LogManager::memorydb(config.clone(), executor.clone()).unwrap();
+    let mut peer_store = LogManager::memorydb(config, executor).unwrap();
 
     let mut offset = 1;
     let mut txs = vec![];
@@ -115,7 +120,10 @@ pub mod tests {
 
     impl TestStoreRuntime {
         pub fn new_store() -> impl LogStore {
-            LogManager::memorydb(LogConfig::default()).unwrap()
+            let runtime = TestRuntime::default();
+
+            let executor = runtime.task_executor.clone();
+            LogManager::memorydb(LogConfig::default(), executor).unwrap()
         }
 
         pub fn new(store: Arc<dyn LogStore>) -> TestStoreRuntime {