diff --git a/.github/workflows/memcheck.yml b/.github/workflows/memcheck.yml
index f0efbefda5..89350fc49f 100644
--- a/.github/workflows/memcheck.yml
+++ b/.github/workflows/memcheck.yml
@@ -164,6 +164,22 @@ jobs:
         run: pgrep antnode | wc -l
         if: always()
 
+      - name: confirm opened FDs
+        shell: bash
+        timeout-minutes: 1
+        run: |
+          fd_cap="30"
+          pids=$(pgrep antnode)
+          for pid in $pids; do
+            fd_count=$(ls /proc/$pid/fd | wc -l)
+            echo "Process $pid - File Descriptors: $fd_count"
+            if (( $(echo "$fd_count > $fd_cap" | bc -l) )); then
+              echo "Process $pid holding FD exceeded threshold: $fd_cap"
+              exit 1
+            fi
+          done
+        if: always()
+
       - name: Stop the local network and upload logs
         if: always()
         uses: maidsafe/ant-local-testnet-action@main
diff --git a/ant-logging/src/metrics.rs b/ant-logging/src/metrics.rs
index b6d99a6137..b6cbd29526 100644
--- a/ant-logging/src/metrics.rs
+++ b/ant-logging/src/metrics.rs
@@ -44,7 +44,7 @@ struct ProcessMetrics {
 // Obtains the system metrics every UPDATE_INTERVAL and logs it.
 // The function should be spawned as a task and should be re-run if our main process is restarted.
 pub async fn init_metrics(pid: u32) {
-    let mut sys = System::new_all();
+    let mut sys = System::new();
     let mut networks = Networks::new_with_refreshed_list();
     let pid = Pid::from_u32(pid);
 
diff --git a/ant-networking/src/metrics/mod.rs b/ant-networking/src/metrics/mod.rs
index 2cc80fe424..32e0f0dca9 100644
--- a/ant-networking/src/metrics/mod.rs
+++ b/ant-networking/src/metrics/mod.rs
@@ -246,11 +246,12 @@ impl NetworkMetricsRecorder {
 
         let pid = Pid::from_u32(std::process::id());
         let process_refresh_kind = ProcessRefreshKind::everything().without_disk_usage();
-        let mut system = System::new_all();
+        let mut system = System::new();
         let physical_core_count = system.physical_core_count();
 
         tokio::spawn(async move {
             loop {
+                system.refresh_cpu();
                 system.refresh_process_specifics(pid, process_refresh_kind);
                 if let (Some(process), Some(core_count)) =
                     (system.process(pid), physical_core_count)
diff --git a/ant-node/src/bin/antnode/main.rs b/ant-node/src/bin/antnode/main.rs
index 3397d81461..644628b2d5 100644
--- a/ant-node/src/bin/antnode/main.rs
+++ b/ant-node/src/bin/antnode/main.rs
@@ -427,7 +427,7 @@ You can check your reward balance by running:
         const JITTER_MIN_S: u64 = 1;
         const JITTER_MAX_S: u64 = 15;
 
-        let mut sys = System::new_all();
+        let mut sys = System::new();
 
         let mut high_cpu_count: u8 = 0;