diff --git a/.github/actions/setup-rust/action.yml b/.github/actions/setup-rust/action.yml
index 5c36ca3d..b68f39ce 100644
--- a/.github/actions/setup-rust/action.yml
+++ b/.github/actions/setup-rust/action.yml
@@ -2,11 +2,11 @@ name: Setup Rust (cache & toolchain)
 runs:
   using: composite
   steps:
-    - name: Install toolchain 1.75.0
+    - name: Install toolchain 1.78.0
       uses: actions-rs/toolchain@v1
       with:
         profile: minimal
-        toolchain: 1.75.0
+        toolchain: 1.78.0
         components: rustfmt, clippy
 
     - uses: Swatinem/rust-cache@v2
\ No newline at end of file
diff --git a/node/rpc/src/admin/impl.rs b/node/rpc/src/admin/impl.rs
index 6bbd3cf4..f01ad6a5 100644
--- a/node/rpc/src/admin/impl.rs
+++ b/node/rpc/src/admin/impl.rs
@@ -18,7 +18,6 @@ pub struct RpcServerImpl {
 
 #[async_trait]
 impl RpcServer for RpcServerImpl {
-    #[tracing::instrument(skip(self), err)]
     async fn find_file(&self, tx_seq: u64) -> RpcResult<()> {
         info!("admin_findFile({tx_seq})");
 
@@ -39,7 +38,6 @@ impl RpcServer for RpcServerImpl {
         }
     }
 
-    #[tracing::instrument(skip(self), err)]
     async fn shutdown(&self) -> RpcResult<()> {
         info!("admin_shutdown()");
 
@@ -51,7 +49,6 @@ impl RpcServer for RpcServerImpl {
             .map_err(|e| error::internal_error(format!("Failed to send shutdown command: {:?}", e)))
     }
 
-    #[tracing::instrument(skip(self), err)]
     async fn start_sync_file(&self, tx_seq: u64) -> RpcResult<()> {
         info!("admin_startSyncFile({tx_seq})");
 
@@ -72,7 +69,6 @@ impl RpcServer for RpcServerImpl {
         }
     }
 
-    #[tracing::instrument(skip(self), err)]
     async fn start_sync_chunks(
         &self,
         tx_seq: u64,
@@ -102,7 +98,6 @@ impl RpcServer for RpcServerImpl {
         }
     }
 
-    #[tracing::instrument(skip(self), err)]
     async fn terminate_sync(&self, tx_seq: u64) -> RpcResult<bool> {
         info!("admin_terminateSync({tx_seq})");
 
@@ -131,7 +126,6 @@ impl RpcServer for RpcServerImpl {
         }
     }
 
-    #[tracing::instrument(skip(self), err)]
     async fn get_sync_status(&self, tx_seq: u64) -> RpcResult<String> {
         info!("admin_getSyncStatus({tx_seq})");
 
@@ -148,7 +142,6 @@ impl RpcServer for RpcServerImpl {
         }
     }
 
-    #[tracing::instrument(skip(self), err)]
     async fn get_sync_info(&self, tx_seq: Option<u64>) -> RpcResult<HashMap<u64, FileSyncInfo>> {
         info!(?tx_seq, "admin_getSyncInfo()");
 
@@ -163,7 +156,6 @@ impl RpcServer for RpcServerImpl {
         }
     }
 
-    #[tracing::instrument(skip(self), err)]
     async fn get_network_info(&self) -> RpcResult<NetworkInfo> {
         info!("admin_getNetworkInfo()");
 
diff --git a/node/rpc/src/zgs/impl.rs b/node/rpc/src/zgs/impl.rs
index 8f399f8b..190aa537 100644
--- a/node/rpc/src/zgs/impl.rs
+++ b/node/rpc/src/zgs/impl.rs
@@ -17,7 +17,6 @@ pub struct RpcServerImpl {
 
 #[async_trait]
 impl RpcServer for RpcServerImpl {
-    #[tracing::instrument(skip(self), err)]
     async fn get_status(&self) -> RpcResult<Status> {
         info!("zgs_getStatus()");
         let sync_progress = self
diff --git a/node/sync/src/auto_sync/batcher.rs b/node/sync/src/auto_sync/batcher.rs
index 2d1cf734..60fe635e 100644
--- a/node/sync/src/auto_sync/batcher.rs
+++ b/node/sync/src/auto_sync/batcher.rs
@@ -1,4 +1,7 @@
-use crate::{controllers::SyncState, SyncRequest, SyncResponse, SyncSender};
+use crate::{
+    controllers::{FailureReason, SyncState},
+    SyncRequest, SyncResponse, SyncSender,
+};
 use anyhow::{bail, Result};
 use serde::{Deserialize, Serialize};
 use std::{collections::HashSet, fmt::Debug, sync::Arc, time::Duration};
@@ -126,7 +129,10 @@ impl Batcher {
                     "Failed to sync file and terminate the failed file sync"
                 );
                 self.terminate_file_sync(tx_seq, false).await;
-                Ok(Some(SyncResult::Failed))
+                match reason {
+                    FailureReason::TimeoutFindFile => Ok(Some(SyncResult::Timeout)),
+                    _ => Ok(Some(SyncResult::Failed)),
+                }
             }
 
             // finding peers timeout
diff --git a/node/sync/src/auto_sync/batcher_random.rs b/node/sync/src/auto_sync/batcher_random.rs
index 204b37b1..1d378869 100644
--- a/node/sync/src/auto_sync/batcher_random.rs
+++ b/node/sync/src/auto_sync/batcher_random.rs
@@ -1,6 +1,6 @@
-use super::{batcher::Batcher, sync_store::SyncStore};
+use super::{batcher::Batcher, metrics::RandomBatcherMetrics, sync_store::SyncStore};
 use crate::{
-    auto_sync::{batcher::SyncResult, metrics, sync_store::Queue},
+    auto_sync::{batcher::SyncResult, sync_store::Queue},
     Config, SyncSender,
 };
 use anyhow::Result;
@@ -19,6 +19,7 @@ pub struct RandomBatcherState {
     pub tasks: Vec<u64>,
     pub pending_txs: usize,
     pub ready_txs: usize,
+    pub cached_ready_txs: usize,
 }
 
 #[derive(Clone)]
@@ -27,6 +28,7 @@ pub struct RandomBatcher {
     config: Config,
     batcher: Batcher,
     sync_store: Arc<SyncStore>,
+    metrics: Arc<RandomBatcherMetrics>,
 }
 
 impl RandomBatcher {
@@ -36,6 +38,7 @@ impl RandomBatcher {
         store: Store,
         sync_send: SyncSender,
         sync_store: Arc<SyncStore>,
+        metrics: Arc<RandomBatcherMetrics>,
     ) -> Self {
         Self {
             name,
@@ -47,17 +50,19 @@ impl RandomBatcher {
                 sync_send,
             ),
             sync_store,
+            metrics,
         }
     }
 
     pub async fn get_state(&self) -> Result<RandomBatcherState> {
-        let (pending_txs, ready_txs) = self.sync_store.stat().await?;
+        let (pending_txs, ready_txs, cached_ready_txs) = self.sync_store.stat().await?;
 
         Ok(RandomBatcherState {
             name: self.name.clone(),
             tasks: self.batcher.tasks().await,
             pending_txs,
             ready_txs,
+            cached_ready_txs,
         })
     }
 
@@ -71,11 +76,10 @@ impl RandomBatcher {
         }
 
         loop {
-            // if let Ok(state) = self.get_state().await {
-            //     metrics::RANDOM_STATE_TXS_SYNCING.update(state.tasks.len() as u64);
-            //     metrics::RANDOM_STATE_TXS_READY.update(state.ready_txs as u64);
-            //     metrics::RANDOM_STATE_TXS_PENDING.update(state.pending_txs as u64);
-            // }
+            if let Ok(state) = self.get_state().await {
+                self.metrics
+                    .update_state(state.ready_txs, state.pending_txs);
+            }
 
             match self.sync_once().await {
                 Ok(true) => {}
@@ -106,11 +110,7 @@ impl RandomBatcher {
         };
 
         debug!(%tx_seq, ?sync_result, "Completed to sync file, state = {:?}", self.get_state().await);
-        match sync_result {
-            SyncResult::Completed => metrics::RANDOM_SYNC_RESULT_COMPLETED.mark(1),
-            SyncResult::Failed => metrics::RANDOM_SYNC_RESULT_FAILED.inc(1),
-            SyncResult::Timeout => metrics::RANDOM_SYNC_RESULT_TIMEOUT.inc(1),
-        }
+        self.metrics.update_result(sync_result);
 
         if matches!(sync_result, SyncResult::Completed) {
             self.sync_store.remove(tx_seq).await?;
diff --git a/node/sync/src/auto_sync/historical_tx_writer.rs b/node/sync/src/auto_sync/historical_tx_writer.rs
index ef15373b..b281624c 100644
--- a/node/sync/src/auto_sync/historical_tx_writer.rs
+++ b/node/sync/src/auto_sync/historical_tx_writer.rs
@@ -45,7 +45,7 @@ impl HistoricalTxWriter {
     }
 
     pub async fn get_state(&self) -> Result<HistoricalTxWriterState> {
-        let (pending_txs, ready_txs) = self.sync_store.stat().await?;
+        let (pending_txs, ready_txs, _) = self.sync_store.stat().await?;
 
         Ok(HistoricalTxWriterState {
             next_tx_seq: self.next_tx_seq.load(Ordering::Relaxed),
diff --git a/node/sync/src/auto_sync/manager.rs b/node/sync/src/auto_sync/manager.rs
index 87563563..7b2b9d2c 100644
--- a/node/sync/src/auto_sync/manager.rs
+++ b/node/sync/src/auto_sync/manager.rs
@@ -19,6 +19,7 @@ use super::{
     batcher_random::RandomBatcher,
     batcher_serial::SerialBatcher,
     historical_tx_writer::HistoricalTxWriter,
+    metrics,
     sync_store::{Queue, SyncStore},
 };
 
@@ -45,11 +46,12 @@ impl AutoSyncManager {
             // use v2 db to avoid reading v1 files that announced from the whole network instead of neighbors
             Arc::new(SyncStore::new_with_name(
                 store.clone(),
+                config.ready_txs_cache_cap,
                 "pendingv2",
                 "readyv2",
             ))
         } else {
-            Arc::new(SyncStore::new(store.clone()))
+            Arc::new(SyncStore::new(store.clone(), 0))
         };
         let catched_up = Arc::new(AtomicBool::new(false));
 
@@ -83,6 +85,7 @@ impl AutoSyncManager {
             store.clone(),
             sync_send.clone(),
             sync_store,
+            metrics::RANDOM_ANNOUNCED.clone(),
         );
         executor.spawn(random.clone().start(catched_up.clone()), "auto_sync_random");
 
@@ -96,6 +99,7 @@ impl AutoSyncManager {
         if config.neighbors_only {
             let historical_sync_store = Arc::new(SyncStore::new_with_name(
                 store.clone(),
+                0,
                 "pendingv2_historical",
                 "readyv2_historical",
             ));
@@ -111,6 +115,7 @@ impl AutoSyncManager {
                 store,
                 sync_send,
                 historical_sync_store,
+                metrics::RANDOM_HISTORICAL.clone(),
             );
             executor.spawn(
                 random_historical.start(catched_up.clone()),
diff --git a/node/sync/src/auto_sync/metrics.rs b/node/sync/src/auto_sync/metrics.rs
index 1f6fe4ba..00209914 100644
--- a/node/sync/src/auto_sync/metrics.rs
+++ b/node/sync/src/auto_sync/metrics.rs
@@ -1,6 +1,46 @@
 use std::sync::Arc;
 
-use metrics::{register_meter, Counter, CounterUsize, Gauge, GaugeUsize, Histogram, Meter, Sample};
+use metrics::{
+    register_meter, register_meter_with_group, Counter, CounterUsize, Gauge, GaugeUsize, Histogram,
+    Meter, Sample,
+};
+
+use super::batcher::SyncResult;
+
+#[derive(Clone)]
+pub struct RandomBatcherMetrics {
+    pub ready_txs: Arc<dyn Gauge<usize>>,
+    pub pending_txs: Arc<dyn Gauge<usize>>,
+
+    pub completed_qps: Arc<dyn Meter>,
+    pub failed_qps: Arc<dyn Meter>,
+    pub timeout_qps: Arc<dyn Meter>,
+}
+
+impl RandomBatcherMetrics {
+    pub fn new(group_name: &str) -> Self {
+        Self {
+            ready_txs: GaugeUsize::register_with_group(group_name, "ready_txs"),
+            pending_txs: GaugeUsize::register_with_group(group_name, "pending_txs"),
+            completed_qps: register_meter_with_group(group_name, "completed_qps"),
+            failed_qps: register_meter_with_group(group_name, "failed_qps"),
+            timeout_qps: register_meter_with_group(group_name, "timeout_qps"),
+        }
+    }
+
+    pub fn update_state(&self, ready_txs: usize, pending_txs: usize) {
+        self.ready_txs.update(ready_txs);
+        self.pending_txs.update(pending_txs);
+    }
+
+    pub fn update_result(&self, result: SyncResult) {
+        match result {
+            SyncResult::Completed => self.completed_qps.mark(1),
+            SyncResult::Failed => self.failed_qps.mark(1),
+            SyncResult::Timeout => self.timeout_qps.mark(1),
+        }
+    }
+}
 
 lazy_static::lazy_static! {
     // sequential auto sync
@@ -14,11 +54,6 @@ lazy_static::lazy_static! {
     pub static ref SEQUENTIAL_SYNC_RESULT_TIMEOUT: Arc<dyn Counter<usize>> = CounterUsize::register("sync_auto_sequential_sync_result_timeout");
 
     // random auto sync
-    // pub static ref RANDOM_STATE_TXS_SYNCING: Arc<dyn Histogram> = Sample::ExpDecay(0.015).register("sync_auto_random_state_txs_syncing", 1024);
-    // pub static ref RANDOM_STATE_TXS_READY: Arc<dyn Histogram> = Sample::ExpDecay(0.015).register("sync_auto_random_state_txs_ready", 1024);
-    // pub static ref RANDOM_STATE_TXS_PENDING: Arc<dyn Histogram> = Sample::ExpDecay(0.015).register("sync_auto_random_state_txs_pending", 1024);
-
-    pub static ref RANDOM_SYNC_RESULT_COMPLETED: Arc<dyn Meter> = register_meter("sync_auto_random_sync_result_completed");
-    pub static ref RANDOM_SYNC_RESULT_FAILED: Arc<dyn Counter<usize>> = CounterUsize::register("sync_auto_random_sync_result_failed");
-    pub static ref RANDOM_SYNC_RESULT_TIMEOUT: Arc<dyn Counter<usize>> = CounterUsize::register("sync_auto_random_sync_result_timeout");
+    pub static ref RANDOM_ANNOUNCED: Arc<RandomBatcherMetrics> = Arc::new(RandomBatcherMetrics::new("sync_auto_random_announced"));
+    pub static ref RANDOM_HISTORICAL: Arc<RandomBatcherMetrics> = Arc::new(RandomBatcherMetrics::new("sync_auto_random_historical"));
 }
diff --git a/node/sync/src/auto_sync/sync_store.rs b/node/sync/src/auto_sync/sync_store.rs
index 0dcb5d56..45b19c13 100644
--- a/node/sync/src/auto_sync/sync_store.rs
+++ b/node/sync/src/auto_sync/sync_store.rs
@@ -1,4 +1,4 @@
-use super::tx_store::TxStore;
+use super::tx_store::{CachedTxStore, TxStore};
 use anyhow::Result;
 use std::sync::Arc;
 use storage::log_store::{
@@ -33,35 +33,36 @@ pub struct SyncStore {
 
     /// Ready transactions to sync with high priority since announcement
     /// already received from other peers.
-    ready_txs: TxStore,
+    ready_txs: CachedTxStore,
 }
 
 impl SyncStore {
-    pub fn new(store: Store) -> Self {
-        Self {
-            store: Arc::new(RwLock::new(store)),
-            pending_txs: TxStore::new("pending"),
-            ready_txs: TxStore::new("ready"),
-        }
+    pub fn new(store: Store, ready_txs_cache_cap: usize) -> Self {
+        Self::new_with_name(store, ready_txs_cache_cap, "pending", "ready")
     }
 
-    pub fn new_with_name(store: Store, pending: &'static str, ready: &'static str) -> Self {
+    pub fn new_with_name(
+        store: Store,
+        ready_txs_cache_cap: usize,
+        pending: &'static str,
+        ready: &'static str,
+    ) -> Self {
         Self {
             store: Arc::new(RwLock::new(store)),
             pending_txs: TxStore::new(pending),
-            ready_txs: TxStore::new(ready),
+            ready_txs: CachedTxStore::new(ready, ready_txs_cache_cap),
         }
     }
 
     /// Returns the number of pending txs and ready txs.
-    pub async fn stat(&self) -> Result<(usize, usize)> {
+    pub async fn stat(&self) -> Result<(usize, usize, usize)> {
         let async_store = self.store.read().await;
         let store = async_store.get_store();
 
         let num_pending_txs = self.pending_txs.count(store)?;
-        let num_ready_txs = self.ready_txs.count(store)?;
+        let (num_ready_txs, num_cached_ready_txs) = self.ready_txs.count(store).await?;
 
-        Ok((num_pending_txs, num_ready_txs))
+        Ok((num_pending_txs, num_ready_txs, num_cached_ready_txs))
     }
 
     pub async fn get_tx_seq_range(&self) -> Result<(Option<u64>, Option<u64>)> {
@@ -112,7 +113,7 @@ impl SyncStore {
 
         match queue {
             Queue::Ready => {
-                if !self.ready_txs.add(store, Some(&mut tx), tx_seq)? {
+                if !self.ready_txs.add(store, Some(&mut tx), tx_seq).await? {
                     return Ok(InsertResult::AlreadyExists);
                 }
 
@@ -130,7 +131,7 @@ impl SyncStore {
                     return Ok(InsertResult::AlreadyExists);
                 }
 
-                let removed = self.ready_txs.remove(store, Some(&mut tx), tx_seq)?;
+                let removed = self.ready_txs.remove(store, Some(&mut tx), tx_seq).await?;
                 store.exec_configs(tx, DATA_DB_KEY)?;
 
                 if removed {
@@ -152,7 +153,7 @@ impl SyncStore {
             return Ok(false);
         }
 
-        let added = self.ready_txs.add(store, Some(&mut tx), tx_seq)?;
+        let added = self.ready_txs.add(store, Some(&mut tx), tx_seq).await?;
 
         store.exec_configs(tx, DATA_DB_KEY)?;
 
@@ -164,7 +165,7 @@ impl SyncStore {
         let store = async_store.get_store();
 
         // try to find a tx in ready queue with high priority
-        if let Some(val) = self.ready_txs.random(store)? {
+        if let Some(val) = self.ready_txs.random(store).await? {
             return Ok(Some(val));
         }
 
@@ -177,7 +178,7 @@ impl SyncStore {
         let store = async_store.get_store();
 
         // removed in ready queue
-        if self.ready_txs.remove(store, None, tx_seq)? {
+        if self.ready_txs.remove(store, None, tx_seq).await? {
             return Ok(Some(Queue::Ready));
         }
 
@@ -199,7 +200,7 @@ mod tests {
     #[tokio::test]
     async fn test_tx_seq_range() {
         let runtime = TestStoreRuntime::default();
-        let store = SyncStore::new(runtime.store.clone());
+        let store = SyncStore::new(runtime.store.clone(), 0);
 
         // check values by default
         assert_eq!(store.get_tx_seq_range().await.unwrap(), (None, None));
@@ -215,7 +216,7 @@ mod tests {
     #[tokio::test]
     async fn test_insert() {
         let runtime = TestStoreRuntime::default();
-        let store = SyncStore::new(runtime.store.clone());
+        let store = SyncStore::new(runtime.store.clone(), 0);
 
         assert_eq!(store.contains(1).await.unwrap(), None);
         assert_eq!(store.insert(1, Pending).await.unwrap(), NewAdded);
@@ -234,7 +235,7 @@ mod tests {
     #[tokio::test]
     async fn test_upgrade() {
         let runtime = TestStoreRuntime::default();
-        let store = SyncStore::new(runtime.store.clone());
+        let store = SyncStore::new(runtime.store.clone(), 0);
 
         // cannot upgrade by default
         assert!(!store.upgrade(3).await.unwrap());
@@ -253,7 +254,7 @@ mod tests {
     #[tokio::test]
     async fn test_random() {
         let runtime = TestStoreRuntime::default();
-        let store = SyncStore::new(runtime.store.clone());
+        let store = SyncStore::new(runtime.store.clone(), 0);
 
         // no tx by default
         assert_eq!(store.random().await.unwrap(), None);
@@ -273,7 +274,7 @@ mod tests {
     #[tokio::test]
     async fn test_remove() {
         let runtime = TestStoreRuntime::default();
-        let store = SyncStore::new(runtime.store.clone());
+        let store = SyncStore::new(runtime.store.clone(), 0);
 
         // cannot remove by default
         assert_eq!(store.remove(1).await.unwrap(), None);
diff --git a/node/sync/src/auto_sync/tx_store.rs b/node/sync/src/auto_sync/tx_store.rs
index 9c2ac279..bd9608a7 100644
--- a/node/sync/src/auto_sync/tx_store.rs
+++ b/node/sync/src/auto_sync/tx_store.rs
@@ -1,8 +1,12 @@
+use std::collections::HashSet;
+
 use anyhow::Result;
+use rand::seq::IteratorRandom;
 use rand::Rng;
 use storage::log_store::config::{ConfigTx, ConfigurableExt};
 use storage::log_store::log_manager::DATA_DB_KEY;
 use storage::log_store::Store;
+use tokio::sync::RwLock;
 
 /// TxStore is used to store pending transactions that to be synchronized in advance.
 ///
@@ -138,6 +142,99 @@ impl TxStore {
     }
 }
 
+/// Cache the recent inserted tx in memory for random pick with priority.
+pub struct CachedTxStore {
+    tx_store: TxStore,
+    cache_cap: usize,
+    cache: RwLock<HashSet<u64>>,
+}
+
+impl CachedTxStore {
+    pub fn new(name: &'static str, cache_cap: usize) -> Self {
+        Self {
+            tx_store: TxStore::new(name),
+            cache_cap,
+            cache: Default::default(),
+        }
+    }
+
+    pub fn has(&self, store: &dyn Store, tx_seq: u64) -> Result<bool> {
+        self.tx_store.has(store, tx_seq)
+    }
+
+    pub async fn count(&self, store: &dyn Store) -> Result<(usize, usize)> {
+        if self.cache_cap == 0 {
+            return Ok((self.tx_store.count(store)?, 0));
+        }
+
+        let cache = self.cache.read().await;
+
+        Ok((self.tx_store.count(store)?, cache.len()))
+    }
+
+    pub async fn add(
+        &self,
+        store: &dyn Store,
+        db_tx: Option<&mut ConfigTx>,
+        tx_seq: u64,
+    ) -> Result<bool> {
+        if self.cache_cap == 0 {
+            return self.tx_store.add(store, db_tx, tx_seq);
+        }
+
+        let mut cache = self.cache.write().await;
+
+        let added = self.tx_store.add(store, db_tx, tx_seq)?;
+
+        if added {
+            cache.insert(tx_seq);
+
+            if cache.len() > self.cache_cap {
+                if let Some(popped) = cache.iter().choose(&mut rand::thread_rng()).cloned() {
+                    cache.remove(&popped);
+                }
+            }
+        }
+
+        Ok(added)
+    }
+
+    pub async fn random(&self, store: &dyn Store) -> Result<Option<u64>> {
+        if self.cache_cap == 0 {
+            return self.tx_store.random(store);
+        }
+
+        let cache = self.cache.read().await;
+
+        if let Some(v) = cache.iter().choose(&mut rand::thread_rng()).cloned() {
+            return Ok(Some(v));
+        }
+
+        self.tx_store.random(store)
+    }
+
+    pub async fn remove(
+        &self,
+        store: &dyn Store,
+        db_tx: Option<&mut ConfigTx>,
+        tx_seq: u64,
+    ) -> Result<bool> {
+        if self.cache_cap == 0 {
+            return self.tx_store.remove(store, db_tx, tx_seq);
+        }
+
+        let mut cache: tokio::sync::RwLockWriteGuard<'_, HashSet<u64>> = self.cache.write().await;
+
+        let removed = self.tx_store.remove(store, db_tx, tx_seq)?;
+
+        if removed {
+            cache.remove(&tx_seq);
+        }
+
+        Ok(removed)
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use crate::test_util::tests::TestStoreRuntime;
diff --git a/node/sync/src/lib.rs b/node/sync/src/lib.rs
index cfe2df50..35f9ebe7 100644
--- a/node/sync/src/lib.rs
+++ b/node/sync/src/lib.rs
@@ -62,6 +62,7 @@ pub struct Config {
     pub sequential_find_peer_timeout: Duration,
     #[serde(deserialize_with = "deserialize_duration")]
     pub random_find_peer_timeout: Duration,
+    pub ready_txs_cache_cap: usize,
 }
 
 impl Default for Config {
@@ -69,18 +70,18 @@ impl Default for Config {
         Self {
             // sync service config
             neighbors_only: true,
-            heartbeat_interval: Duration::from_secs(5),
+            heartbeat_interval: Duration::from_secs(3),
             auto_sync_enabled: false,
-            max_sync_files: 8,
+            max_sync_files: 16,
             sync_file_by_rpc_enabled: true,
             sync_file_on_announcement_enabled: false,
 
             // serial sync config
             max_chunks_to_request: 2 * 1024,
-            max_request_failures: 5,
+            max_request_failures: 3,
             peer_connect_timeout: Duration::from_secs(15),
             peer_disconnect_timeout: Duration::from_secs(15),
-            peer_find_timeout: Duration::from_secs(120),
+            peer_find_timeout: Duration::from_secs(5),
             peer_chunks_download_timeout: Duration::from_secs(15),
             peer_wait_outgoing_connection_timeout: Duration::from_secs(10),
             peer_next_chunks_request_wait_timeout: Duration::from_secs(3),
@@ -91,9 +92,10 @@ impl Default for Config {
             auto_sync_idle_interval: Duration::from_secs(3),
             auto_sync_error_interval: Duration::from_secs(10),
             max_sequential_workers: 0,
-            max_random_workers: 2,
-            sequential_find_peer_timeout: Duration::from_secs(60),
-            random_find_peer_timeout: Duration::from_secs(500),
+            max_random_workers: 8,
+            sequential_find_peer_timeout: Duration::from_secs(5),
+            random_find_peer_timeout: Duration::from_secs(5),
+            ready_txs_cache_cap: 1_000_000,
         }
     }
 }
diff --git a/run/config-testnet-standard.toml b/run/config-testnet-standard.toml
index 5434154e..7ceea5e4 100644
--- a/run/config-testnet-standard.toml
+++ b/run/config-testnet-standard.toml
@@ -233,13 +233,13 @@ batcher_announcement_capacity = 100
 auto_sync_enabled = true
 
 #  Maximum number of files in sync from other peers simultaneously.
-# max_sync_files = 8
+# max_sync_files = 16
 
 # Enable to start a file sync via RPC (e.g. `admin_startSyncFile`).
 # sync_file_by_rpc_enabled = true
 
 # Maximum number of continous failures to terminate a file sync.
-# max_request_failures = 5
+# max_request_failures = 3
 
 # Timeout to dial peers.
 # peer_connect_timeout = "15s"
@@ -248,7 +248,7 @@ auto_sync_enabled = true
 # peer_disconnect_timeout = "15s"
 
 # Timeout to find peers via FIND_FILE P2P pubsub message.
-# peer_find_timeout = "120s"
+# peer_find_timeout = "5s"
 
 # Timeout to download data from remote peer.
 # peer_chunks_download_timeout = "15s"
@@ -261,13 +261,13 @@ auto_sync_enabled = true
 # max_sequential_workers = 0
 
 # Maximum threads to sync files randomly.
-# max_random_workers = 2
+# max_random_workers = 8
 
 # Timeout to terminate a file sync in sequence.
-# sequential_find_peer_timeout = "60s"
+# sequential_find_peer_timeout = "5s"
 
 # Timeout to terminate a file sync randomly.
-# random_find_peer_timeout = "500s"
+# random_find_peer_timeout = "5s"
 
 #######################################################################
 ###                File Location Cache Options                      ###
diff --git a/run/config-testnet-turbo.toml b/run/config-testnet-turbo.toml
index a59047af..147ea110 100644
--- a/run/config-testnet-turbo.toml
+++ b/run/config-testnet-turbo.toml
@@ -245,13 +245,13 @@ batcher_announcement_capacity = 100
 auto_sync_enabled = true
 
 #  Maximum number of files in sync from other peers simultaneously.
-# max_sync_files = 8
+# max_sync_files = 16
 
 # Enable to start a file sync via RPC (e.g. `admin_startSyncFile`).
 # sync_file_by_rpc_enabled = true
 
 # Maximum number of continous failures to terminate a file sync.
-# max_request_failures = 5
+# max_request_failures = 3
 
 # Timeout to dial peers.
 # peer_connect_timeout = "15s"
@@ -260,7 +260,7 @@ auto_sync_enabled = true
 # peer_disconnect_timeout = "15s"
 
 # Timeout to find peers via FIND_FILE P2P pubsub message.
-# peer_find_timeout = "120s"
+# peer_find_timeout = "5s"
 
 # Timeout to download data from remote peer.
 # peer_chunks_download_timeout = "15s"
@@ -273,13 +273,13 @@ auto_sync_enabled = true
 # max_sequential_workers = 0
 
 # Maximum threads to sync files randomly.
-# max_random_workers = 2
+# max_random_workers = 8
 
 # Timeout to terminate a file sync in sequence.
-# sequential_find_peer_timeout = "60s"
+# sequential_find_peer_timeout = "5s"
 
 # Timeout to terminate a file sync randomly.
-# random_find_peer_timeout = "500s"
+# random_find_peer_timeout = "5s"
 
 #######################################################################
 ###                File Location Cache Options                      ###
diff --git a/run/config.toml b/run/config.toml
index 2c43742f..fa8e49f1 100644
--- a/run/config.toml
+++ b/run/config.toml
@@ -247,13 +247,13 @@
 # auto_sync_enabled = false
 
 #  Maximum number of files in sync from other peers simultaneously.
-# max_sync_files = 8
+# max_sync_files = 16
 
 # Enable to start a file sync via RPC (e.g. `admin_startSyncFile`).
 # sync_file_by_rpc_enabled = true
 
 # Maximum number of continous failures to terminate a file sync.
-# max_request_failures = 5
+# max_request_failures = 3
 
 # Timeout to dial peers.
 # peer_connect_timeout = "15s"
@@ -262,7 +262,7 @@
 # peer_disconnect_timeout = "15s"
 
 # Timeout to find peers via FIND_FILE P2P pubsub message.
-# peer_find_timeout = "120s"
+# peer_find_timeout = "5s"
 
 # Timeout to download data from remote peer.
 # peer_chunks_download_timeout = "15s"
@@ -275,13 +275,13 @@
 # max_sequential_workers = 0
 
 # Maximum threads to sync files randomly.
-# max_random_workers = 2
+# max_random_workers = 8
 
 # Timeout to terminate a file sync in sequence.
-# sequential_find_peer_timeout = "60s"
+# sequential_find_peer_timeout = "5s"
 
 # Timeout to terminate a file sync randomly.
-# random_find_peer_timeout = "500s"
+# random_find_peer_timeout = "5s"
 
 #######################################################################
 ###                File Location Cache Options                      ###
diff --git a/rust-toolchain b/rust-toolchain
index 7c7053aa..54227249 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1 +1 @@
-1.75.0
+1.78.0