diff --git a/src/main/java/it/tdlight/tdlibsession/td/easy/AsyncTdEasy.java b/src/main/java/it/tdlight/tdlibsession/td/easy/AsyncTdEasy.java
index 7d8029a..638387f 100644
--- a/src/main/java/it/tdlight/tdlibsession/td/easy/AsyncTdEasy.java
+++ b/src/main/java/it/tdlight/tdlibsession/td/easy/AsyncTdEasy.java
@@ -58,7 +58,6 @@ public class AsyncTdEasy {
 
 	private final Logger logger;
 
-	private static final Scheduler scheduler = Schedulers.parallel();
 	private final Many<AuthorizationState> authState = Sinks.many().replay().latest();
 	private final Many<Boolean> requestedDefinitiveExit = Sinks.many().replay().latestOrDefault(false);
 	private final Many<TdEasySettings> settings = Sinks.many().replay().latest();
@@ -67,6 +66,7 @@ public class AsyncTdEasy {
 	private final AsyncTdMiddle td;
 	private final String logName;
 	private final Flux<Update> incomingUpdates;
+	private final Scheduler scheduler = Schedulers.parallel();
 
 	public AsyncTdEasy(AsyncTdMiddle td, String logName) {
 		this.td = td;
@@ -151,7 +151,7 @@ public class AsyncTdEasy {
 	 * Get TDLib state
 	 */
 	public Flux<AuthorizationState> getState() {
-		return authState.asFlux().distinct().publishOn(scheduler);
+		return authState.asFlux().distinct();
 	}
 
 	/**
@@ -162,21 +162,21 @@ public class AsyncTdEasy {
 	}
 
 	private Flux<TdApi.Update> getIncomingUpdates(boolean includePreAuthUpdates) {
-		return incomingUpdates.publishOn(scheduler);
+		return incomingUpdates;
 	}
 
 	/**
 	 * Get generic error updates from TDLib (When they are not linked to a precise request).
 	 */
 	public Flux<TdApi.Error> getIncomingErrors() {
-		return Flux.from(globalErrors.asFlux()).publishOn(scheduler);
+		return Flux.from(globalErrors.asFlux());
 	}
 
 	/**
 	 * Receives fatal errors from TDLib.
 	 */
 	public Mono<FatalErrorType> getFatalErrors() {
-		return Mono.from(fatalError.asMono()).publishOn(scheduler);
+		return Mono.from(fatalError.asMono());
 	}
 
 	/**
@@ -188,7 +188,7 @@ public class AsyncTdEasy {
 	}
 
 	private <T extends TdApi.Object> Mono<TdResult<T>> sendDirectly(TdApi.Function obj, boolean synchronous) {
-		return td.<T>execute(obj, synchronous).publishOn(scheduler);
+		return td.<T>execute(obj, synchronous);
 	}
 
 	/**
@@ -196,7 +196,7 @@ public class AsyncTdEasy {
 	 * @param i level
 	 */
 	public Mono<Void> setVerbosityLevel(int i) {
-		return thenOrFatalError(sendDirectly(new TdApi.SetLogVerbosityLevel(i), true)).publishOn(scheduler);
+		return thenOrFatalError(sendDirectly(new TdApi.SetLogVerbosityLevel(i), true));
 	}
 
 	/**
@@ -204,7 +204,7 @@ public class AsyncTdEasy {
 	 * @param name option name
 	 */
 	public Mono<Void> clearOption(String name) {
-		return thenOrFatalError(sendDirectly(new TdApi.SetOption(name, new TdApi.OptionValueEmpty()), false)).publishOn(scheduler);
+		return thenOrFatalError(sendDirectly(new TdApi.SetOption(name, new TdApi.OptionValueEmpty()), false));
 	}
 
 	/**
@@ -213,7 +213,7 @@ public class AsyncTdEasy {
 	 * @param value option value
 	 */
 	public Mono<Void> setOptionString(String name, String value) {
-		return thenOrFatalError(sendDirectly(new TdApi.SetOption(name, new TdApi.OptionValueString(value)), false)).publishOn(scheduler);
+		return thenOrFatalError(sendDirectly(new TdApi.SetOption(name, new TdApi.OptionValueString(value)), false));
 	}
 
 	/**
@@ -222,7 +222,7 @@ public class AsyncTdEasy {
 	 * @param value option value
 	 */
 	public Mono<Void> setOptionInteger(String name, long value) {
-		return thenOrFatalError(sendDirectly(new TdApi.SetOption(name, new TdApi.OptionValueInteger(value)), false)).publishOn(scheduler);
+		return thenOrFatalError(sendDirectly(new TdApi.SetOption(name, new TdApi.OptionValueInteger(value)), false));
 	}
 
 	/**
@@ -231,7 +231,7 @@ public class AsyncTdEasy {
 	 * @param value option value
 	 */
 	public Mono<Void> setOptionBoolean(String name, boolean value) {
-		return thenOrFatalError(sendDirectly(new TdApi.SetOption(name, new TdApi.OptionValueBoolean(value)), false)).publishOn(scheduler);
+		return thenOrFatalError(sendDirectly(new TdApi.SetOption(name, new TdApi.OptionValueBoolean(value)), false));
 	}
 
 	/**
@@ -250,7 +250,7 @@ public class AsyncTdEasy {
 					return Mono.error(new UnsupportedOperationException("The option " + name + " is of type "
 							+ value.getClass().getSimpleName()));
 			}
-		}).publishOn(scheduler);
+		});
 	}
 
 	/**
@@ -269,7 +269,7 @@ public class AsyncTdEasy {
 					return Mono.error(new UnsupportedOperationException("The option " + name + " is of type "
 							+ value.getClass().getSimpleName()));
 			}
-		}).publishOn(scheduler);
+		});
 	}
 
 	/**
@@ -288,7 +288,7 @@ public class AsyncTdEasy {
 					return Mono.error(new UnsupportedOperationException("The option " + name + " is of type "
 							+ value.getClass().getSimpleName()));
 			}
-		}).publishOn(scheduler);
+		});
 	}
 
 	/**
@@ -299,7 +299,7 @@ public class AsyncTdEasy {
 	 * @return The request response.
 	 */
 	public <T extends Object> Mono<TdResult<T>> execute(TdApi.Function request) {
-		return td.<T>execute(request, true).publishOn(scheduler);
+		return td.<T>execute(request, true);
 	}
 
 	/**
@@ -345,8 +345,7 @@ public class AsyncTdEasy {
 				.doOnSuccess(s -> {
 					logger.info("AsyncTdEasy closed successfully");
 				})
-				.then()
-				.publishOn(scheduler);
+				.then();
 	}
 
 	/**
@@ -386,7 +385,7 @@ public class AsyncTdEasy {
 			} else {
 				return (Update) obj;
 			}
-		}).publishOn(scheduler);
+		});
 	}
 
 	private void analyzeFatalErrors(Object obj) {
@@ -413,7 +412,7 @@ public class AsyncTdEasy {
 	}
 
 	public Mono<Boolean> isBot() {
-		return Mono.from(settings.asFlux()).single().map(TdEasySettings::isBotTokenSet).publishOn(scheduler);
+		return Mono.from(settings.asFlux()).single().map(TdEasySettings::isBotTokenSet);
 	}
 
 	private Publisher<TdApi.Update> preprocessUpdates(TdApi.Object updateObj) {
diff --git a/src/main/java/it/tdlight/tdlibsession/td/middle/TdClusterManager.java b/src/main/java/it/tdlight/tdlibsession/td/middle/TdClusterManager.java
index aad1535..7ef71b8 100644
--- a/src/main/java/it/tdlight/tdlibsession/td/middle/TdClusterManager.java
+++ b/src/main/java/it/tdlight/tdlibsession/td/middle/TdClusterManager.java
@@ -187,11 +187,12 @@ public class TdClusterManager {
 						return Mono.just(Vertx.vertx(vertxOptions));
 					}
 				})
-				.publishOn(Schedulers.parallel())
+				.subscribeOn(Schedulers.boundedElastic())
 				.flatMap(vertx -> Mono
 						.fromCallable(() -> new TdClusterManager(mgr, vertxOptions, vertx))
-						.publishOn(Schedulers.boundedElastic())
-				);
+						.subscribeOn(Schedulers.boundedElastic())
+				)
+				.publishOn(Schedulers.parallel());
 	}
 
 	public Vertx getVertx() {