diff --git a/modules/dcache-bulk/src/main/java/org/dcache/services/bulk/job/RequestContainerJobFactory.java b/modules/dcache-bulk/src/main/java/org/dcache/services/bulk/job/RequestContainerJobFactory.java
index 28a997e5160..5e145773772 100644
--- a/modules/dcache-bulk/src/main/java/org/dcache/services/bulk/job/RequestContainerJobFactory.java
+++ b/modules/dcache-bulk/src/main/java/org/dcache/services/bulk/job/RequestContainerJobFactory.java
@@ -80,6 +80,7 @@ LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 import org.dcache.services.bulk.util.BulkRequestTarget.PID;
 import org.dcache.services.bulk.util.BulkRequestTargetBuilder;
 import org.dcache.services.bulk.util.BulkServiceStatistics;
+import org.dcache.util.BoundedCachedExecutor;
 import org.dcache.util.list.ListDirectoryHandler;
 import org.dcache.vehicles.FileAttributes;
 import org.slf4j.Logger;
@@ -102,6 +103,9 @@ public final class RequestContainerJobFactory {
     private BulkServiceStatistics statistics;
     private Semaphore dirListSemaphore;
     private Semaphore inFlightSemaphore;
+    private BoundedCachedExecutor taskExecutor;
+    private BoundedCachedExecutor callbackExecutor;
+    private BoundedCachedExecutor listExecutor;
 
     public BulkRequestContainerJob createRequestJob(BulkRequest request)
           throws BulkServiceException {
@@ -132,6 +136,9 @@ public BulkRequestContainerJob createRequestJob(BulkRequest request)
         containerJob.setListHandler(listHandler);
         containerJob.setDirListSemaphore(dirListSemaphore);
         containerJob.setInFlightSemaphore(inFlightSemaphore);
+        containerJob.setExecutor(taskExecutor);
+        containerJob.setListExecutor(listExecutor);
+        containerJob.setCallbackExecutor(callbackExecutor);
         containerJob.initialize();
         return containerJob;
     }
@@ -149,11 +156,21 @@ public void setActivityFactory(BulkActivityFactory activityFactory) {
         this.activityFactory = activityFactory;
     }
 
+    @Required
+    public void setCallbackExecutor(BoundedCachedExecutor callbackExecutor) {
+        this.callbackExecutor = callbackExecutor;
+    }
+
     @Required
     public void setListHandler(ListDirectoryHandler listHandler) {
         this.listHandler = listHandler;
     }
 
+    @Required
+    public void setListExecutor(BoundedCachedExecutor listExecutor) {
+        this.listExecutor = listExecutor;
+    }
+
     @Required
     public void setDirListSemaphore(int permits) {
         dirListSemaphore = new Semaphore(permits);
@@ -184,6 +201,11 @@ public void setTargetStore(BulkTargetStore targetStore) {
         this.targetStore = targetStore;
     }
 
+    @Required
+    public void setTaskExecutor(BoundedCachedExecutor taskExecutor) {
+        this.taskExecutor = taskExecutor;
+    }
+
     BulkActivity create(BulkRequest request) throws BulkServiceException {
         String rid = request.getUid();
 
diff --git a/modules/dcache-bulk/src/main/java/org/dcache/services/bulk/manager/ConcurrentRequestManager.java b/modules/dcache-bulk/src/main/java/org/dcache/services/bulk/manager/ConcurrentRequestManager.java
index 1bef438619c..aa7808a04c3 100644
--- a/modules/dcache-bulk/src/main/java/org/dcache/services/bulk/manager/ConcurrentRequestManager.java
+++ b/modules/dcache-bulk/src/main/java/org/dcache/services/bulk/manager/ConcurrentRequestManager.java
@@ -311,19 +311,9 @@ private ListMultimap<String, String> userRequests() {
     private ExecutorService processorExecutorService;
 
     /**
-     * Thread dedicated to job callbacks.
+     * Thread dedicated to running containerJobs.
      */
-    private ExecutorService callbackExecutor;
-
-    /**
-     * Thread dedicated to directory listing.
-     */
-    private ExecutorService listExecutor;
-
-    /**
-     * Thread dedicated to jobs.
-     */
-    private ExecutorService executorService;
+    private ExecutorService containerExecutor;
 
     /**
      * Records number of jobs and requests processed.
@@ -430,24 +420,14 @@ public int getMaxActiveRequests() {
         return maxActiveRequests;
     }
 
-    @Required
-    public void setCallbackExecutor(BoundedCachedExecutor callbackExecutor) {
-        this.callbackExecutor = callbackExecutor;
-    }
-
     @Required
     public void setCompletionHandler(BulkRequestCompletionHandler completionHandler) {
         this.completionHandler = completionHandler;
     }
 
     @Required
-    public void setExecutor(BoundedCachedExecutor pooledExecutor) {
-        this.executorService = pooledExecutor;
-    }
-
-    @Required
-    public void setListExecutor(BoundedCachedExecutor listExecutor) {
-        this.listExecutor = listExecutor;
+    public void setContainerExecutor(BoundedCachedExecutor containerExecutor) {
+        this.containerExecutor = containerExecutor;
     }
 
     @Required
@@ -543,14 +523,11 @@ void startJob(BulkRequestContainerJob job) {
         String key = job.getTarget().getKey();
         LOGGER.trace("submitting job {} to executor, target {}.", key,
               job.getTarget());
-        job.setExecutor(executorService);
-        job.setListExecutor(listExecutor);
-        job.setCallbackExecutor(callbackExecutor);
         job.setCallback(this);
         try {
             if (isJobValid(job)) { /* possibly cancelled in flight */
                 job.update(State.RUNNING);
-                executorService.submit(new FireAndForgetTask(job));
+                containerExecutor.submit(new FireAndForgetTask(job));
             }
         } catch (RuntimeException e) {
             job.getTarget().setErrorObject(e);
diff --git a/modules/dcache-bulk/src/main/resources/org/dcache/services/bulk/bulk.xml b/modules/dcache-bulk/src/main/resources/org/dcache/services/bulk/bulk.xml
index 78909bb1b51..603d7a400bb 100644
--- a/modules/dcache-bulk/src/main/resources/org/dcache/services/bulk/bulk.xml
+++ b/modules/dcache-bulk/src/main/resources/org/dcache/services/bulk/bulk.xml
@@ -67,13 +67,21 @@
     </constructor-arg>
   </bean>
 
-  <bean id="container-job-executor" class="org.dcache.util.CDCExecutorServiceDecorator">
+  <bean id="container-job-executor" class="org.dcache.util.BoundedCachedExecutor">
     <description>Used to execute jobs that are executed by a batch container.</description>
-    <constructor-arg>
-      <bean class="org.dcache.util.BoundedCachedExecutor">
-        <constructor-arg value="${bulk.limits.container-processing-threads}"/>
-      </bean>
-    </constructor-arg>
+    <constructor-arg value="${bulk.limits.container-processing-threads}"/>
+  </bean>
+
+  <bean id="task-executor" class="org.dcache.util.BoundedCachedExecutor">
+    <constructor-arg value="${bulk.limits.in-flight-semaphore}"/>
+  </bean>
+
+  <bean id="callback-executor" class="org.dcache.util.BoundedCachedExecutor">
+    <constructor-arg value="${bulk.db.connections.max}"/>
+  </bean>
+
+  <bean id="dir-list-executor" class="org.dcache.util.BoundedCachedExecutor">
+    <constructor-arg value="${bulk.limits.dir-list-semaphore}"/>
   </bean>
 
   <bean id="cancellation-executor" class="org.dcache.util.CDCScheduledExecutorServiceDecorator">
@@ -209,6 +217,9 @@
     <property name="statistics" ref="statistics"/>
     <property name="dirListSemaphore" value="${bulk.limits.dir-list-semaphore}"/>
     <property name="inFlightSemaphore" value="${bulk.limits.in-flight-semaphore}"/>
+    <property name="taskExecutor" ref="task-executor"/>
+    <property name="callbackExecutor" ref="callback-executor"/>
+    <property name="listExecutor" ref="dir-list-executor"/>
   </bean>
 
   <bean id="statistics" class="org.dcache.services.bulk.util.BulkServiceStatistics">
@@ -243,21 +254,7 @@
     <property name="submissionHandler" ref="request-handler"/>
     <property name="schedulerProvider" ref="scheduler-provider"/>
     <property name="maxActiveRequests" value="${bulk.limits.container-processing-threads}"/>
-    <property name="executor">
-      <bean class="org.dcache.util.BoundedCachedExecutor">
-        <constructor-arg value="${bulk.limits.in-flight-semaphore}"/>
-      </bean>
-    </property>
-    <property name="callbackExecutor">
-      <bean class="org.dcache.util.BoundedCachedExecutor">
-        <constructor-arg value="${bulk.db.connections.max}"/>
-      </bean>
-    </property>
-    <property name="listExecutor" >
-      <bean class="org.dcache.util.BoundedCachedExecutor">
-        <constructor-arg value="${bulk.limits.dir-list-semaphore}"/>
-      </bean>
-    </property>
+    <property name="containerExecutor" ref="container-job-executor"/>
     <property name="timeout" value="${bulk.limits.sweep-interval}"/>
     <property name="timeoutUnit" value="${bulk.limits.sweep-interval.unit}"/>
   </bean>
@@ -299,6 +296,9 @@
       <list>
         <ref bean="incoming-thread-executor"/>
         <ref bean="container-job-executor"/>
+        <ref bean="task-executor"/>
+        <ref bean="callback-executor"/>
+        <ref bean="dir-list-executor"/>
         <ref bean="cancellation-executor"/>
       </list>
     </property>
diff --git a/skel/share/defaults/bulk.properties b/skel/share/defaults/bulk.properties
index 8a2ef72d8c6..6876b56bba5 100644
--- a/skel/share/defaults/bulk.properties
+++ b/skel/share/defaults/bulk.properties
@@ -69,7 +69,7 @@ bulk.request-scheduler=org.dcache.services.bulk.manager.scheduler.LeastRecentFir
 #
 bulk.limits.container-processing-threads=100
 bulk.limits.incoming-request-threads=10
-bulk.limits.cancellation-threads=10
+bulk.limits.cancellation-threads=${bulk.limits.container-processing-threads}
 
 #  ---- Expiration of the cache serving to front the request storage.
 #