diff --git a/Cargo.toml b/Cargo.toml
index d6dff7c..bb75419 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,7 +3,7 @@ members = [
   "crates/dp_runner",
   "crates/compute_unit_runner",
   "crates/jiaozifs_client_rs", "nodes/jz_reader", "nodes/jz_writer", "nodes/dummy_in", "nodes/dummy_out"
-]
+, "nodes/copy_in_place"]
 
 [workspace.package]
 repository = "https://github.com/GitDataAI/jz-action"
diff --git a/crates/compute_unit_runner/src/bin/compute_unit_runner.rs b/crates/compute_unit_runner/src/bin/compute_unit_runner.rs
index 41dab66..7f02358 100644
--- a/crates/compute_unit_runner/src/bin/compute_unit_runner.rs
+++ b/crates/compute_unit_runner/src/bin/compute_unit_runner.rs
@@ -2,7 +2,6 @@ use compute_unit_runner::{
     fs_cache::{
         FSCache,
         FileCache,
-        MemCache,
     },
     ipc,
     media_data_tracker,
diff --git a/crates/compute_unit_runner/src/media_data_tracker.rs b/crates/compute_unit_runner/src/media_data_tracker.rs
index f615723..c62a129 100644
--- a/crates/compute_unit_runner/src/media_data_tracker.rs
+++ b/crates/compute_unit_runner/src/media_data_tracker.rs
@@ -30,10 +30,7 @@ use std::{
     sync::Arc,
     time::Duration,
 };
-use tokio::sync::{
-    broadcast,
-    mpsc::error::TrySendError,
-};
+use tokio::sync::broadcast;
 use tonic::{
     transport::Channel,
     Code,
@@ -194,7 +191,7 @@ where
                                             let new_batch = match fs_cache.read(&req.id).await {
                                                Ok(batch) => batch,
                                                 Err(err) => {
-                                                    warn!("Failed to read batch: {}", err);
+                                                    warn!("failed to read batch: {}", err);
                                                     //todo how to handle missing data
                                                     if let Err(err) = db_repo.update_state(&node_name, &req.id,  Direction::Out, DataState::Error, None).await {
                                                         error!("mark data {} to fail {}", &req.id, err);
diff --git a/makefile b/makefile
index caf7d2b..7e017ae 100644
--- a/makefile
+++ b/makefile
@@ -35,11 +35,15 @@ build-nodes: $(OUTPUT)
 	cargo build -p dummy_out --release
 	cp target/release/dummy_out $(OUTPUT)/dummy_out
 
+	cargo build -p copy_in_place --release
+	cp target/release/copy_in_place $(OUTPUT)/copy_in_place
+
 docker_nodes: build-nodes
 	docker build -f ./nodes/jz_reader/dockerfile -t jz-action/jz_reader:latest .
 	docker build -f ./nodes/jz_writer/dockerfile -t jz-action/jz_writer:latest .
 	docker build -f ./nodes/dummy_in/dockerfile -t jz-action/dummy_in:latest .
 	docker build -f ./nodes/dummy_out/dockerfile -t jz-action/dummy_out:latest .
+	docker build -f ./nodes/copy_in_place/dockerfile -t jz-action/copy_in_place:latest .
 
 ################## minikube
 docker: docker_cd docker_dp docker_nodes
diff --git a/nodes/copy_in_place/Cargo.toml b/nodes/copy_in_place/Cargo.toml
new file mode 100644
index 0000000..c4be42c
--- /dev/null
+++ b/nodes/copy_in_place/Cargo.toml
@@ -0,0 +1,21 @@
+[package]
+name = "copy_in_place"
+version = "0.1.0"
+repository.workspace = true
+license.workspace = true
+edition.workspace = true
+include.workspace = true
+
+[dependencies]
+jz_action = { path = "../../"}
+compute_unit_runner = {path  = "../../crates/compute_unit_runner"}
+
+uuid =  {workspace = true}
+tokio = { workspace = true}
+tokio-retry = {workspace = true}
+tokio-stream = {workspace = true}
+anyhow =  {workspace = true}
+tracing = {workspace = true}
+tracing-subscriber = {workspace = true}
+clap = {version="4.5.7", features=["derive"]}
+random_word = { version = "0.4.3", features = ["en"] }
\ No newline at end of file
diff --git a/nodes/copy_in_place/dockerfile b/nodes/copy_in_place/dockerfile
new file mode 100644
index 0000000..fcadd80
--- /dev/null
+++ b/nodes/copy_in_place/dockerfile
@@ -0,0 +1,7 @@
+FROM jz-action/net-debug
+
+WORKDIR /app
+
+RUN mkdir -p /app
+
+ADD dist/copy_in_place /copy_in_place
diff --git a/nodes/copy_in_place/src/main.rs b/nodes/copy_in_place/src/main.rs
new file mode 100644
index 0000000..c96d7fd
--- /dev/null
+++ b/nodes/copy_in_place/src/main.rs
@@ -0,0 +1,121 @@
+use anyhow::{
+    anyhow,
+    Result,
+};
+use clap::Parser;
+use compute_unit_runner::ipc::{
+    self,
+    IPCClient,
+    SubmitOuputDataReq,
+};
+use jz_action::utils::StdIntoAnyhowResult;
+use std::{
+    path::Path,
+    str::FromStr, time::Duration,
+};
+use tokio::{
+    fs,
+    select,
+    signal::unix::{
+        signal,
+        SignalKind,
+    },
+    sync::mpsc,
+    time::{sleep, Instant},
+};
+use tracing::{
+    error,
+    info,
+    Level,
+};
+
+#[derive(Debug, Parser)]
+#[command(
+    name = "copy_in_place",
+    version = "0.0.1",
+    author = "Author Name <github.com/GitDataAI/jz-action>",
+    about = "embed in k8s images. move input directory to dest directory."
+)]
+
+struct Args {
+    #[arg(short, long, default_value = "INFO")]
+    log_level: String,
+
+    #[arg(short, long, default_value = "/unix_socket/compute_unit_runner_d")]
+    unix_socket_addr: String,
+
+    #[arg(short, long, default_value = "/app/tmp")]
+    tmp_path: String,
+}
+
+#[tokio::main(flavor = "multi_thread")]
+async fn main() -> Result<()> {
+    let args = Args::parse();
+    tracing_subscriber::fmt()
+        .with_max_level(Level::from_str(&args.log_level)?)
+        .try_init()
+        .anyhow()?;
+
+    let (shutdown_tx, mut shutdown_rx) = mpsc::channel::<Result<()>>(1);
+    {
+        let shutdown_tx = shutdown_tx.clone();
+        let _ = tokio::spawn(async move {
+            if let Err(e) = copy_in_place(args).await {
+                let _ = shutdown_tx.send(Err(anyhow!("dummy read {e}"))).await;
+            }
+        });
+    }
+
+    {
+        //catch signal
+        let _ = tokio::spawn(async move {
+            let mut sig_term = signal(SignalKind::terminate()).unwrap();
+            let mut sig_int = signal(SignalKind::interrupt()).unwrap();
+            select! {
+                _ = sig_term.recv() => info!("Recieve SIGTERM"),
+                _ = sig_int.recv() => info!("Recieve SIGTINT"),
+            };
+            let _ = shutdown_tx.send(Err(anyhow!("cancel by signal"))).await;
+        });
+    }
+
+    if let Some(Err(err)) = shutdown_rx.recv().await {
+        error!("program exit with error {:?}", err)
+    }
+    info!("gracefully shutdown");
+    Ok(())
+}
+
+async fn copy_in_place(args: Args) -> Result<()> {
+    let client = ipc::IPCClientImpl::new(args.unix_socket_addr);
+    let tmp_path = Path::new(&args.tmp_path);
+    loop {
+        let instant = Instant::now();
+
+        let req = client.request_avaiable_data().await?;
+        if req.is_none() {
+            sleep(Duration::from_secs(2)).await;
+            continue;
+        }
+
+        let id = req.unwrap().id;
+        let path_str = tmp_path.join(&id);
+        let root_input_dir = path_str.as_path();
+
+
+        let new_id = uuid::Uuid::new_v4().to_string();
+        let output_dir = tmp_path.join(&new_id);
+
+        fs::rename(root_input_dir, output_dir).await?;
+
+        info!("move data {:?}", instant.elapsed());
+
+        client.complete_result(&id).await?;
+
+        //submit directory after completed a batch
+        client
+            .submit_output(SubmitOuputDataReq::new(&new_id, 30))
+            .await?;
+        info!("submit new data {:?}", instant.elapsed());
+    }
+}
diff --git a/src/bin/main.rs b/src/bin/main.rs
new file mode 100644
index 0000000..0ef8971
--- /dev/null
+++ b/src/bin/main.rs
@@ -0,0 +1,2 @@
+
+fn main(){}
\ No newline at end of file
diff --git a/src/driver/kube.rs b/src/driver/kube.rs
index 4498925..ea67a5b 100644
--- a/src/driver/kube.rs
+++ b/src/driver/kube.rs
@@ -545,18 +545,33 @@ mod tests {
           "version": "v1",
           "dag": [
            {
-              "name": "computeunit1",
+              "name": "dummy-in",
               "spec": {
                 "image": "jz-action/dummy_in:latest",
                 "command":"/dummy_in",
                 "args": ["--log-level=debug"]
               }
+            },   {
+              "name": "copy-in-place",
+              "node_type": "ComputeUnit",
+              "dependency": [
+                "dummy-in"
+              ],
+              "spec": {
+                "image": "jz-action/copy_in_place:latest",
+                "command":"/copy_in_place",
+                "replicas": 3,
+                "args": ["--log-level=debug"]
+              },
+              "channel":{
+                "cache_type":"Memory"
+              }
             },
             {
-              "name": "computeunit2",
+              "name": "dummy-out",
               "node_type": "ComputeUnit",
               "dependency": [
-                "computeunit1"
+                "copy-in-place"
               ],
               "spec": {
                 "image": "jz-action/dummy_out:latest",
diff --git a/src/lib.rs b/src/lib.rs
index 9a40046..86d800b 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -8,6 +8,7 @@ pub mod dbrepo;
 pub mod driver;
 pub mod network;
 pub mod utils;
+pub mod rpc;
 
 /*
 use dag::Dag;
diff --git a/src/rpc/mod.rs b/src/rpc/mod.rs
new file mode 100644
index 0000000..e69de29