diff --git a/.github/workflows/workflow-test.yml b/.github/workflows/workflow-test.yml
index 93a7ac0..be92fa1 100644
--- a/.github/workflows/workflow-test.yml
+++ b/.github/workflows/workflow-test.yml
@@ -33,4 +33,4 @@ jobs:
             run: tomato --version
           - name: Run pytest
             shell: bash
-            run: pytest -vv
\ No newline at end of file
+            run: pytest -vvv --durations=0
\ No newline at end of file
diff --git a/src/tomato/daemon/job.py b/src/tomato/daemon/job.py
index bde8738..576bc4b 100644
--- a/src/tomato/daemon/job.py
+++ b/src/tomato/daemon/job.py
@@ -27,7 +27,7 @@
 import psutil
 
 from tomato.daemon.io import merge_netcdfs, data_to_pickle
-from tomato.models import Pipeline, Daemon, Component, Device, Driver, Job
+from tomato.models import Pipeline, Daemon, Component, Device, Driver, Job, CompletedJob
 from dgbowl_schemas.tomato import to_payload
 from dgbowl_schemas.tomato.payload import Task
 
@@ -100,7 +100,9 @@ def manage_running_pips(daemon: Daemon, req):
     logger.debug(f"{running=}")
     for pip in running:
         job = daemon.jobs[pip.jobid]
-        if job.pid is None:
+        if isinstance(job, CompletedJob):
+            continue
+        elif job.pid is None:
             continue
         pidexists = psutil.pid_exists(job.pid)
         logger.debug(f"{pidexists=}")
diff --git a/src/tomato/ketchup/__init__.py b/src/tomato/ketchup/__init__.py
index bc61196..ede07df 100644
--- a/src/tomato/ketchup/__init__.py
+++ b/src/tomato/ketchup/__init__.py
@@ -296,7 +296,7 @@ def snapshot(
             return Reply(success=False, msg=f"job {jobid} is still queued")
 
     for jobid in jobids:
-        jobs[jobid].snappath = Path(f"snapshot.{jobid}.nc")
+        jobs[jobid].snappath = f"snapshot.{jobid}.nc"
         merge_netcdfs(jobs[jobid], snapshot=True)
     if len(jobids) > 1:
         msg = f"snapshot for jobs {jobids} created successfully"
diff --git a/tests/common/counter_20_1.yml b/tests/common/counter_20_1.yml
new file mode 100644
index 0000000..8366c22
--- /dev/null
+++ b/tests/common/counter_20_1.yml
@@ -0,0 +1,10 @@
+version: "0.2"
+sample:
+    name: counter_20_1
+method:
+  - device: "counter"
+    technique: "count"
+    time: 20.0
+    delay: 1.0
+tomato:
+    verbosity: "DEBUG"
\ No newline at end of file
diff --git a/tests/common/counter_stresstest.yml b/tests/common/counter_stresstest.yml
new file mode 100644
index 0000000..34a03d8
--- /dev/null
+++ b/tests/common/counter_stresstest.yml
@@ -0,0 +1,11 @@
+version: "1.0"
+sample:
+    name: counter_stresstest
+method:
+  - component_tag: "counter"
+    technique_name: "count"
+    max_duration: 0.2
+    sampling_interval: 0.1
+settings:
+    unlock_when_done: true
+    verbosity: DEBUG
\ No newline at end of file
diff --git a/tests/test_99_example_counter.py b/tests/test_99_example_counter.py
index 074423f..8ab14da 100644
--- a/tests/test_99_example_counter.py
+++ b/tests/test_99_example_counter.py
@@ -70,7 +70,7 @@ def test_counter_cancel(casename, datadir, start_tomato_daemon, stop_tomato_daem
 @pytest.mark.parametrize(
     "casename,  external",
     [
-        ("counter_60_0.1", True),
+        ("counter_20_1", True),
         ("counter_snapshot", False),
     ],
 )
diff --git a/tests/test_99_stresstest.py b/tests/test_99_stresstest.py
new file mode 100644
index 0000000..c0ebbff
--- /dev/null
+++ b/tests/test_99_stresstest.py
@@ -0,0 +1,42 @@
+import pytest
+import os
+import subprocess
+import xarray as xr
+from datetime import datetime
+
+from tomato.models import Job
+from . import utils
+
+PORT = 12345
+
+
+@pytest.mark.parametrize(
+    "case, nreps",
+    [
+        ("counter_stresstest", 5),
+    ],
+)
+def test_stresstest(case, nreps, datadir, stop_tomato_daemon):
+    os.chdir(datadir)
+    subprocess.run(["tomato", "init", "-p", f"{PORT}", "-A", ".", "-D", "."])
+    subprocess.run(["tomato", "start", "-p", f"{PORT}", "-A", ".", "-L", "."])
+    utils.wait_until_tomato_running(port=PORT, timeout=3000)
+
+    subprocess.run(["tomato", "pipeline", "load", "-p", f"{PORT}", "pip-counter", case])
+    for i in range(nreps):
+        subprocess.run(["ketchup", "submit", "-p", f"{PORT}", f"{case}.yml"])
+
+    subprocess.run(["tomato", "pipeline", "ready", "-p", f"{PORT}", "pip-counter"])
+
+    utils.wait_until_ketchup_status(jobid=nreps, status="c", port=PORT, timeout=40000)
+
+    prev = None
+    for i in range(nreps):
+        i += 1
+        assert os.path.exists(f"results.{i}.nc")
+        dt = xr.open_datatree(f"results.{i}.nc")
+        completed_at = Job.model_validate_json(dt.attrs["tomato_Job"]).completed_at
+        ti = datetime.fromisoformat(completed_at)
+        if prev is not None:
+            assert ti > prev
+        prev = ti