diff --git a/test/tsung/README.md b/test/tsung/README.md
index 9a34dcd..6607084 100644
--- a/test/tsung/README.md
+++ b/test/tsung/README.md
@@ -75,6 +75,8 @@ IFT = Docker Swarm **внутри WSL2 на Windows**. Aggressive open-loop бе
 
 **Controlled hold ×3** (`20260715-1411/`, `EVENTHUB_REPLICAS=3`, до фиксов): connect по фазам 0.2→0.035 GREEN (0.05 mean≈40 ms); overall BOUNDARY_HIT из‑за **3772× HTTP 429** — Traefik `api-ratelimit` (было 5000/1m≈83 rps).
 
+**Controlled hold ×1** (`20260716-2143/`, `sha-6d8f02d`, Traefik без WAF, maxusers=100): **BOUNDARY_HIT** по latency — 0 errors / 0×4xx/5xx; mean ~613 ms; late ~6.9 s; hard-stop `use_controller_vm` на 100 concurrent. Ранняя фаза 0.2 ~55 ms (GREEN). Образ с fix ram_copies + dump_log threshold.
+
 **Controlled hold ×3 maxusers=100** (`20260715-2102/`, `sha-7fa24e831c16`): **UNDER_THRESHOLD** — 0 errors, mean ~115 ms, late ~331 ms; только фазы 0.2/0.1 (~4 мин); фазы 0.05/0.035 не стартовали после hard-stop `use_controller_vm`. `nodes/metrics`: CPU peak ~60%, mem_available min ~335 MiB (без клина WSL).
 
 **Controlled hold ×3 maxusers=200** (`20260715-2022/`): BOUNDARY_HIT (err 1.74%, timeouts 175); CPU ~100%, mem ~11 MiB; клин SSH.
diff --git a/test/tsung/eventhub_ift_stress_hold_mu150.xml b/test/tsung/eventhub_ift_stress_hold_mu150.xml
new file mode 100644
index 0000000..85d5652
--- /dev/null
+++ b/test/tsung/eventhub_ift_stress_hold_mu150.xml
@@ -0,0 +1,140 @@
+<?xml version="1.0"?>
+<!DOCTYPE tsung SYSTEM "/usr/share/tsung/tsung-1.0.dtd">
+<!--
+  IFT controlled hold, maxusers=150 (next ceiling after 100).
+  Pool: ift-users.csv. Mix browse 70% / write 30%.
+  use_controller_vm; ladder 0.2->0.1->0.05->0.035; hold >=2 min.
+  Caution on IFT/WSL (200 previously wedged host). Criterion 2A: error >1% OR mean >500 ms.
+-->
+<tsung loglevel="notice" version="1.0">
+    <clients>
+        <client host="localhost" use_controller_vm="true" maxusers="150"/>
+    </clients>
+
+    <servers>
+        <server host="api.ift.eventhub.local" port="443" type="ssl"/>
+    </servers>
+
+    <load>
+        <arrivalphase phase="1" duration="2" unit="minute">
+            <users interarrival="0.2" unit="second"/>
+        </arrivalphase>
+        <arrivalphase phase="2" duration="2" unit="minute">
+            <users interarrival="0.1" unit="second"/>
+        </arrivalphase>
+        <arrivalphase phase="3" duration="3" unit="minute">
+            <users interarrival="0.05" unit="second"/>
+        </arrivalphase>
+        <arrivalphase phase="4" duration="3" unit="minute">
+            <users interarrival="0.035" unit="second"/>
+        </arrivalphase>
+    </load>
+
+    <options>
+        <option name="ssl_reuse" value="true"/>
+        <option name="file_server" id="usercred" value="test/tsung/ift-users.csv"/>
+    </options>
+
+    <sessions>
+        <session name="browse" probability="70" type="ts_http">
+            <setdynvars sourcetype="file" fileid="usercred" delimiter=";" order="iter">
+                <var name="user_email"/>
+                <var name="user_password"/>
+            </setdynvars>
+
+            <request subst="true">
+                <match do="abort" when="nomatch">HTTP/[0-9.]+ 20</match>
+                <dyn_variable name="token" re="&quot;token&quot;\s*:\s*&quot;([^&quot;]+)"/>
+                <http url="https://api.ift.eventhub.local/v1/login" method="POST" version="1.1"
+                      content_type="application/json"
+                      contents='{"email":"%%_user_email%%","password":"%%_user_password%%"}'/>
+            </request>
+            <thinktime value="1"/>
+            <request subst="true">
+                <match do="abort" when="nomatch">HTTP/[0-9.]+ 20</match>
+                <http url="https://api.ift.eventhub.local/v1/user/me" method="GET" version="1.1">
+                    <http_header name="Authorization" value="Bearer %%_token%%"/>
+                </http>
+            </request>
+            <thinktime value="1"/>
+            <request subst="true">
+                <match do="abort" when="nomatch">HTTP/[0-9.]+ 20</match>
+                <http url="https://api.ift.eventhub.local/v1/calendars" method="GET" version="1.1">
+                    <http_header name="Authorization" value="Bearer %%_token%%"/>
+                </http>
+            </request>
+            <thinktime value="1"/>
+            <request subst="true">
+                <match do="log" when="nomatch">HTTP/[0-9.]+ 20</match>
+                <http url="https://api.ift.eventhub.local/v1/search?q=lt" method="GET" version="1.1">
+                    <http_header name="Authorization" value="Bearer %%_token%%"/>
+                </http>
+            </request>
+            <thinktime value="1"/>
+            <request subst="true">
+                <match do="log" when="nomatch">HTTP/[0-9.]+ 20</match>
+                <http url="https://api.ift.eventhub.local/v1/user/bookings" method="GET" version="1.1">
+                    <http_header name="Authorization" value="Bearer %%_token%%"/>
+                </http>
+            </request>
+        </session>
+
+        <session name="write" probability="30" type="ts_http">
+            <setdynvars sourcetype="file" fileid="usercred" delimiter=";" order="iter">
+                <var name="user_email"/>
+                <var name="user_password"/>
+            </setdynvars>
+            <setdynvars sourcetype="random_number" start="100000" end="9999999">
+                <var name="rand_id"/>
+            </setdynvars>
+            <setdynvars sourcetype="random_number" start="10" end="28">
+                <var name="day"/>
+            </setdynvars>
+            <setdynvars sourcetype="random_number" start="10" end="59">
+                <var name="sec"/>
+            </setdynvars>
+
+            <request subst="true">
+                <match do="abort" when="nomatch">HTTP/[0-9.]+ 20</match>
+                <dyn_variable name="token" re="&quot;token&quot;\s*:\s*&quot;([^&quot;]+)"/>
+                <http url="https://api.ift.eventhub.local/v1/login" method="POST" version="1.1"
+                      content_type="application/json"
+                      contents='{"email":"%%_user_email%%","password":"%%_user_password%%"}'/>
+            </request>
+            <thinktime value="1"/>
+            <request subst="true">
+                <match do="abort" when="nomatch">HTTP/[0-9.]+ 20</match>
+                <dyn_variable name="calendar_id" re="&quot;id&quot;\s*:\s*&quot;([^&quot;]+)"/>
+                <http url="https://api.ift.eventhub.local/v1/calendars" method="POST" version="1.1"
+                      content_type="application/json"
+                      contents='{"title":"Stress Cal %%_rand_id%%","confirmation":"auto"}'>
+                    <http_header name="Authorization" value="Bearer %%_token%%"/>
+                </http>
+            </request>
+            <thinktime value="1"/>
+            <request subst="true">
+                <match do="abort" when="nomatch">HTTP/[0-9.]+ 20</match>
+                <dyn_variable name="event_id" re="&quot;id&quot;\s*:\s*&quot;([^&quot;]+)"/>
+                <http url="https://api.ift.eventhub.local/v1/calendars/%%_calendar_id%%/events" method="POST"
+                      version="1.1" content_type="application/json"
+                      contents='{"title":"Stress Ev %%_rand_id%%","start_time":"2032-08-%%_day%%T14:00:%%_sec%%Z","duration":30,"capacity":20}'>
+                    <http_header name="Authorization" value="Bearer %%_token%%"/>
+                </http>
+            </request>
+            <thinktime value="1"/>
+            <request subst="true">
+                <match do="abort" when="nomatch">HTTP/[0-9.]+ 20</match>
+                <http url="https://api.ift.eventhub.local/v1/events/%%_event_id%%" method="GET" version="1.1">
+                    <http_header name="Authorization" value="Bearer %%_token%%"/>
+                </http>
+            </request>
+            <thinktime value="1"/>
+            <request subst="true">
+                <match do="log" when="nomatch">HTTP/[0-9.]+ 20</match>
+                <http url="https://api.ift.eventhub.local/v1/calendars" method="GET" version="1.1">
+                    <http_header name="Authorization" value="Bearer %%_token%%"/>
+                </http>
+            </request>
+        </session>
+    </sessions>
+</tsung>