Improvement to websocket logging and parallelizm

application/src/main/java/org/thingsboard/server/controller/plugin/TbWebSocketHandler.java

@@ -51,9 +51,9 @@ public class TbWebSocketHandler extends TextWebSocketHandler implements Telemetr
     @Override
     public void handleTextMessage(WebSocketSession session, TextMessage message) {
         try {
-            log.info("[{}] Processing {}", session.getId(), message);
             SessionMetaData sessionMd = internalSessionMap.get(session.getId());
             if (sessionMd != null) {
+                log.info("[{}][{}] Processing {}", sessionMd.sessionRef.getSecurityCtx().getTenantId(), session.getId(), message);
                 webSocketService.handleWebSocketMsg(sessionMd.sessionRef, message.getPayload());
             } else {
                 log.warn("[{}] Failed to find session", session.getId());
@@ -74,7 +74,7 @@ public class TbWebSocketHandler extends TextWebSocketHandler implements Telemetr
             internalSessionMap.put(internalSessionId, new SessionMetaData(session, sessionRef));
             externalSessionMap.put(externalSessionId, internalSessionId);
             processInWebSocketService(sessionRef, SessionEvent.onEstablished());
-            log.info("[{}][{}] Session is started", externalSessionId, session.getId());
+            log.info("[{}][{}][{}] Session is opened", sessionRef.getSecurityCtx().getTenantId(), externalSessionId, session.getId());
         } catch (InvalidParameterException e) {
             log.warn("[[{}] Failed to start session", session.getId(), e);
             session.close(CloseStatus.BAD_DATA.withReason(e.getMessage()));

application/src/main/java/org/thingsboard/server/service/telemetry/DefaultTelemetryWebSocketService.java

@@ -72,6 +72,7 @@ import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ConcurrentMap;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
+import java.util.concurrent.LinkedBlockingQueue;
 import java.util.concurrent.SynchronousQueue;
 import java.util.concurrent.ThreadPoolExecutor;
 import java.util.concurrent.TimeUnit;
@@ -85,8 +86,8 @@ import java.util.stream.Collectors;
 @Slf4j
 public class DefaultTelemetryWebSocketService implements TelemetryWebSocketService {
 
-    public static final int DEFAULT_LIMIT = 100;
+    private static final int DEFAULT_LIMIT = 100;
-    public static final Aggregation DEFAULT_AGGREGATION = Aggregation.NONE;
+    private static final Aggregation DEFAULT_AGGREGATION = Aggregation.NONE;
     private static final int UNKNOWN_SUBSCRIPTION_ID = 0;
     private static final String PROCESSING_MSG = "[{}] Processing: {}";
     private static final ObjectMapper jsonMapper = new ObjectMapper();
@@ -115,7 +116,7 @@ public class DefaultTelemetryWebSocketService implements TelemetryWebSocketServi
 
     @PostConstruct
     public void initExecutor() {
-        executor = new ThreadPoolExecutor(0, 50, 60L, TimeUnit.SECONDS, new SynchronousQueue<>());
+        executor = new ThreadPoolExecutor(0, 50, 60L, TimeUnit.SECONDS,  new LinkedBlockingQueue<>());
     }
 
     @PreDestroy