diff --git a/pom.xml b/pom.xml
index 78bcdce..a29e688 100644
--- a/pom.xml
+++ b/pom.xml
@@ -2,7 +2,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.swisspush</groupId>
     <artifactId>redisques</artifactId>
-    <version>4.1.4-SNAPSHOT</version>
+    <version>4.1.5-SNAPSHOT</version>
     <name>redisques</name>
     <description>
         A highly scalable redis-persistent queuing system for vertx
diff --git a/src/main/java/org/swisspush/redisques/RedisQues.java b/src/main/java/org/swisspush/redisques/RedisQues.java
index afc3434..1566336 100644
--- a/src/main/java/org/swisspush/redisques/RedisQues.java
+++ b/src/main/java/org/swisspush/redisques/RedisQues.java
@@ -420,6 +420,36 @@ private void initialize() {
         registerActiveQueueRegistrationRefresh();
         registerQueueCheck();
         registerMetricsGathering(configuration);
+        registerNotExpiredQueueCheck();
+    }
+
+    private void registerNotExpiredQueueCheck() {
+        vertx.setPeriodic(20 * 1000, event -> {
+            if (!log.isDebugEnabled()) {
+                return;
+            }
+            String keysPattern = consumersPrefix + "*";
+            log.debug("RedisQues list not expired consumers keys:");
+            redisProvider.redis().onSuccess(redisAPI -> redisAPI.scan(Arrays.asList("0", "MATCH", keysPattern, "COUNT", "1000"), keysResult -> {
+                        if (keysResult.failed() || keysResult.result() == null || keysResult.result().size() != 2) {
+                            log.error("Unable to get redis keys of consumers", keysResult.cause());
+                            return;
+                        }
+                        Response keys = keysResult.result().get(1);
+                        if (keys == null || keys.size() == 0) {
+                            log.debug("0 not expired consumers keys found");
+                            return;
+                        }
+
+                        if (log.isTraceEnabled()) {
+                            for (Response response : keys) {
+                                log.trace(response.toString());
+                            }
+                        }
+                        log.debug("{} not expired consumers keys found, {} keys in myQueues list", keys.size(), myQueues.size());
+                    }))
+                    .onFailure(throwable -> log.error("Redis: Unable to get redis keys of consumers", throwable));
+        });
     }
 
     private void registerMetricsGathering(RedisquesConfiguration configuration){
@@ -485,7 +515,7 @@ public void run() {
                     startEpochMs = currentTimeMillis();
                     if (size > 5_000) log.warn("Going to report {} dequeue statistics towards collector", size);
                     else if (size > 500) log.info("Going to report {} dequeue statistics towards collector", size);
-                    else log.debug("Going to report {} dequeue statistics towards collector", size);
+                    else log.trace("Going to report {} dequeue statistics towards collector", size);
                 } catch (Throwable ex) {
                     isRunning.set(false);
                     throw ex;
@@ -519,7 +549,9 @@ void resume() {
                         if (event.failed()) {
                             log.error("publishing dequeue statistics not complete, just continue", event.cause());
                         }
-                        log.debug("Done publishing {} dequeue statistics. Took {}ms", i, currentTimeMillis() - startEpochMs);
+                        if (log.isTraceEnabled()){
+                            log.trace("Done publishing {} dequeue statistics. Took {}ms", i, currentTimeMillis() - startEpochMs);
+                        }
                         isRunning.set(false);
                     });
                 } catch (Throwable ex) {
@@ -828,7 +860,7 @@ private Future<Void> consume(final String queueName) {
                                     // consumer was restarted
                                     log.warn("Received request to consume from a queue I did not know about: {}", queueName);
                                 }
-                                log.debug("RedisQues Starting to consume queue {}", queueName);
+                                log.trace("RedisQues Starting to consume queue {}", queueName);
                                 readQueue(queueName).onComplete(readQueueEvent -> {
                                     if (readQueueEvent.failed()) {
                                         log.warn("TODO error handling", exceptionFactory.newException(
@@ -837,12 +869,12 @@ private Future<Void> consume(final String queueName) {
                                     promise.complete();
                                 });
                             } else {
-                                log.debug("RedisQues Queue {} is already being consumed", queueName);
+                                log.trace("RedisQues Queue {} is already being consumed", queueName);
                                 promise.complete();
                             }
                         } else {
                             // Somehow registration changed. Let's renotify.
-                            log.debug("Registration for queue {} has changed to {}", queueName, consumer);
+                            log.trace("Registration for queue {} has changed to {}", queueName, consumer);
                             myQueues.remove(queueName);
                             notifyConsumer(queueName).onComplete(notifyConsumerEvent -> {
                                 if (notifyConsumerEvent.failed()) {
@@ -961,7 +993,7 @@ private Future<Void> readQueue(final String queueName) {
                                 // Failed. Message will be kept in queue and retried later
                                 log.debug("RedisQues Processing failed for queue {}", queueName);
                                 // reschedule
-                                log.debug("RedisQues will re-send the message to queue '{}' in {} seconds", queueName, retryInterval);
+                                log.trace("RedisQues will re-send the message to queue '{}' in {} seconds", queueName, retryInterval);
                                 rescheduleSendMessageAfterFailure(queueName, retryInterval);
                                 promise.complete();
                             }
@@ -1159,7 +1191,9 @@ private Future<Void> checkQueues() {
             redisAPI.zrangebyscore(Arrays.asList(queuesKey, "-inf", String.valueOf(ctx.limit)), p);
             return p.future();
         }).compose((Response queues) -> {
-            log.debug("zrangebyscore time used is {} ms", System.currentTimeMillis() - startTs);
+            if (log.isDebugEnabled()) {
+                log.debug("zrangebyscore time used is {} ms", System.currentTimeMillis() - startTs);
+            }
             assert ctx.counter == null;
             assert ctx.iter == null;
             ctx.counter = new AtomicInteger(queues.size());
@@ -1201,7 +1235,7 @@ private Future<Void> checkQueues() {
                                 return;
                             }
                             if (event.result().toLong() == 1) {
-                                log.debug("Updating queue timestamp for queue '{}'", queueName);
+                                log.trace("Updating queue timestamp for queue '{}'", queueName);
                                 // If not empty, update the queue timestamp to keep it in the sorted set.
                                 updateTimestamp(queueName, upTsResult -> {
                                     if (upTsResult.failed()) {
@@ -1248,7 +1282,6 @@ private Future<Void> checkQueues() {
                             }
                         });
                     } else {
-                        log.debug("all queue items time used is {} ms", System.currentTimeMillis() - startTs);
                         onDone.accept(null, null);
                     }
                     return ctx.iter.hasNext();
@@ -1263,6 +1296,7 @@ private Future<Void> checkQueues() {
                     ctx.counter = null;
                     ctx.iter = null;
                     // Mark this composition step as completed.
+                    log.debug("all queue items time used is {} ms", System.currentTimeMillis() - startTs);
                     p.complete();
                 }
             });