add concurrent thread config

client/src/config.rs

@@ -16,5 +16,6 @@ pub struct Profile {
     #[serde(flatten)]
     pub sync_context: SyncContext,
     pub path: String,
-    pub interval: Option<u64>
+    pub interval: Option<u64>,
+    pub concurrent: Option<usize>,
 }

client/src/task.rs

@@ -29,6 +29,7 @@ pub async fn run(
         .await?,
     );
     let manifest_snapshot = { local_manifest.manifest.read().await.clone() };
+    let all_cnt = sync_resp.tasks.len();
     let tasks = sync_resp
         .tasks
         .into_iter()
@@ -40,8 +41,20 @@ pub async fn run(
             }
         })
         .collect::<Vec<_>>();
-    info!("[{}]: Collected {} tasks", profile.0, tasks.len());
-    let n = 5;
+    info!(
+        "[{}]: Collected {}/{} tasks",
+        profile.0,
+        tasks.len(),
+        all_cnt
+    );
+    if tasks.is_empty() {
+        info!("[{}]: No tasks to sync, skipping", profile.0);
+        let req = CloseRequest { id: id.clone() };
+        close(&mut client.get_client().await?, &req).await?;
+        return Ok(true);
+    }
+    let n = profile.1.concurrent.unwrap_or(5);
+    info!("[{}]: Start sync with {} thread", profile.0, n);
     let semaphore = Arc::new(Semaphore::new(n));
     let mut join_set = JoinSet::new();
     for task in tasks {