diff --git a/application/src/main/resources/thingsboard.yml b/application/src/main/resources/thingsboard.yml
index c47fc28fbd..6a45f42808 100644
--- a/application/src/main/resources/thingsboard.yml
+++ b/application/src/main/resources/thingsboard.yml
@@ -87,6 +87,7 @@ mqtt:
     leak_detector_level: "${NETTY_LEASK_DETECTOR_LVL:DISABLED}"
     boss_group_thread_count: "${NETTY_BOSS_GROUP_THREADS:1}"
     worker_group_thread_count: "${NETTY_WORKER_GROUP_THREADS:12}"
+    max_payload_size: "${NETTY_MAX_PAYLOAD_SIZE:65536}"
   # MQTT SSL configuration
   ssl:
     # Enable/disable SSL support
diff --git a/dao/src/main/java/org/thingsboard/server/dao/cassandra/AbstractCassandraCluster.java b/dao/src/main/java/org/thingsboard/server/dao/cassandra/AbstractCassandraCluster.java
index 2e56416351..ca94822301 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/cassandra/AbstractCassandraCluster.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/cassandra/AbstractCassandraCluster.java
@@ -60,6 +60,10 @@ public abstract class AbstractCassandraCluster {
     private long initTimeout;
     @Value("${cassandra.init_retry_interval_ms}")
     private long initRetryInterval;
+    @Value("${cassandra.max_requests_per_connection_local:128}")
+    private int max_requests_local;
+    @Value("${cassandra.max_requests_per_connection_remote:128}")
+    private int max_requests_remote;
 
     @Autowired
     private CassandraSocketOptions socketOpts;
@@ -90,8 +94,8 @@ public abstract class AbstractCassandraCluster {
                 .withClusterName(clusterName)
                 .withSocketOptions(socketOpts.getOpts())
                 .withPoolingOptions(new PoolingOptions()
-                        .setMaxRequestsPerConnection(HostDistance.LOCAL, 32768)
-                        .setMaxRequestsPerConnection(HostDistance.REMOTE, 32768));
+                        .setMaxRequestsPerConnection(HostDistance.LOCAL, max_requests_local)
+                        .setMaxRequestsPerConnection(HostDistance.REMOTE, max_requests_remote));
         this.clusterBuilder.withQueryOptions(queryOpts.getOpts());
         this.clusterBuilder.withCompression(StringUtils.isEmpty(compression) ? Compression.NONE : Compression.valueOf(compression.toUpperCase()));
         if (ssl) {
diff --git a/docker/tb/run-application.sh b/docker/tb/run-application.sh
index e297335fe2..a2a1e2beba 100755
--- a/docker/tb/run-application.sh
+++ b/docker/tb/run-application.sh
@@ -18,6 +18,11 @@
 
 dpkg -i /thingsboard.deb
 
+# Copying env variables into conf files
+printenv | awk -F "=" '{print "export " $1 "='\''" $2 "'\''"}' >> /usr/share/thingsboard/conf/thingsboard.conf
+
+cat /usr/share/thingsboard/conf/thingsboard.conf
+
 if [ "$DATABASE_TYPE" == "cassandra" ]; then
     until nmap $CASSANDRA_HOST -p $CASSANDRA_PORT | grep "$CASSANDRA_PORT/tcp open\|filtered"
     do
@@ -46,12 +51,6 @@ if [ "$ADD_SCHEMA_AND_SYSTEM_DATA" == "true" ]; then
     fi
 fi
 
-
-# Copying env variables into conf files
-printenv | awk -F "=" '{print "export " $1 "='\''" $2 "'\''"}' >> /usr/share/thingsboard/conf/thingsboard.conf
-
-cat /usr/share/thingsboard/conf/thingsboard.conf
-
 echo "Starting 'Thingsboard' service..."
 service thingsboard start
 
diff --git a/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/MqttTransportServerInitializer.java b/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/MqttTransportServerInitializer.java
index 976d8bacad..432966eeff 100644
--- a/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/MqttTransportServerInitializer.java
+++ b/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/MqttTransportServerInitializer.java
@@ -33,8 +33,6 @@ import org.thingsboard.server.transport.mqtt.adaptors.MqttTransportAdaptor;
  */
 public class MqttTransportServerInitializer extends ChannelInitializer<SocketChannel> {
 
-    private static final int MAX_PAYLOAD_SIZE = 64 * 1024 * 1024;
-
     private final SessionMsgProcessor processor;
     private final DeviceService deviceService;
     private final DeviceAuthService authService;
@@ -42,10 +40,11 @@ public class MqttTransportServerInitializer extends ChannelInitializer<SocketCha
     private final MqttTransportAdaptor adaptor;
     private final MqttSslHandlerProvider sslHandlerProvider;
     private final QuotaService quotaService;
+    private final int maxPayloadSize;
 
     public MqttTransportServerInitializer(SessionMsgProcessor processor, DeviceService deviceService, DeviceAuthService authService, RelationService relationService,
                                           MqttTransportAdaptor adaptor, MqttSslHandlerProvider sslHandlerProvider,
-                                          QuotaService quotaService) {
+                                          QuotaService quotaService, int maxPayloadSize) {
         this.processor = processor;
         this.deviceService = deviceService;
         this.authService = authService;
@@ -53,6 +52,7 @@ public class MqttTransportServerInitializer extends ChannelInitializer<SocketCha
         this.adaptor = adaptor;
         this.sslHandlerProvider = sslHandlerProvider;
         this.quotaService = quotaService;
+        this.maxPayloadSize = maxPayloadSize;
     }
 
     @Override
@@ -63,7 +63,7 @@ public class MqttTransportServerInitializer extends ChannelInitializer<SocketCha
             sslHandler = sslHandlerProvider.getSslHandler();
             pipeline.addLast(sslHandler);
         }
-        pipeline.addLast("decoder", new MqttDecoder(MAX_PAYLOAD_SIZE));
+        pipeline.addLast("decoder", new MqttDecoder(maxPayloadSize));
         pipeline.addLast("encoder", MqttEncoder.INSTANCE);
 
         MqttTransportHandler handler = new MqttTransportHandler(processor, deviceService, authService, relationService,
diff --git a/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/MqttTransportService.java b/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/MqttTransportService.java
index 1ae7d38342..f0129e1b6c 100644
--- a/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/MqttTransportService.java
+++ b/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/MqttTransportService.java
@@ -82,7 +82,8 @@ public class MqttTransportService {
     private Integer bossGroupThreadCount;
     @Value("${mqtt.netty.worker_group_thread_count}")
     private Integer workerGroupThreadCount;
-
+    @Value("${mqtt.netty.max_payload_size}")
+    private Integer maxPayloadSize;
 
     private MqttTransportAdaptor adaptor;
 
@@ -106,7 +107,7 @@ public class MqttTransportService {
         b.group(bossGroup, workerGroup)
                 .channel(NioServerSocketChannel.class)
                 .childHandler(new MqttTransportServerInitializer(processor, deviceService, authService, relationService,
-                        adaptor, sslHandlerProvider, quotaService));
+                        adaptor, sslHandlerProvider, quotaService, maxPayloadSize));
 
         serverChannel = b.bind(host, port).sync().channel();
         log.info("Mqtt transport started!");
diff --git a/ui/src/app/app.js b/ui/src/app/app.js
index 0b6a141ba3..c328a5a496 100644
--- a/ui/src/app/app.js
+++ b/ui/src/app/app.js
@@ -79,7 +79,7 @@ import 'font-awesome/css/font-awesome.min.css';
 import 'angular-material/angular-material.min.css';
 import 'angular-material-icons/angular-material-icons.css';
 import 'angular-gridster/dist/angular-gridster.min.css';
-import 'v-accordion/dist/v-accordion.min.css'
+import 'v-accordion/dist/v-accordion.min.css';
 import 'md-color-picker/dist/mdColorPicker.min.css';
 import 'mdPickers/dist/mdPickers.min.css';
 import 'angular-hotkeys/build/hotkeys.min.css';