Default Lettuce shutdownQuietPeriod to zero.

Use a lower timeout for faster shutdown. Also, the quiet period is no longer configured through the shutdown timeout.

Closes #2945

Author: mp911de

src/main/java/org/springframework/data/redis/connection/lettuce/DefaultLettuceClientConfiguration.java

@@ -51,7 +51,7 @@ class DefaultLettuceClientConfiguration implements LettuceClientConfiguration {
 	DefaultLettuceClientConfiguration(boolean useSsl, SslVerifyMode verifyMode, boolean startTls,
 			@Nullable ClientResources clientResources, @Nullable ClientOptions clientOptions, @Nullable String clientName,
 			@Nullable ReadFrom readFrom, @Nullable RedisCredentialsProviderFactory redisCredentialsProviderFactory,
-			Duration timeout, Duration shutdownTimeout, @Nullable Duration shutdownQuietPeriod) {
+			Duration timeout, Duration shutdownTimeout, Duration shutdownQuietPeriod) {
 
 		this.useSsl = useSsl;
 		this.verifyMode = verifyMode;
@@ -63,7 +63,7 @@ class DefaultLettuceClientConfiguration implements LettuceClientConfiguration {
 		this.redisCredentialsProviderFactory = Optional.ofNullable(redisCredentialsProviderFactory);
 		this.timeout = timeout;
 		this.shutdownTimeout = shutdownTimeout;
-		this.shutdownQuietPeriod = shutdownQuietPeriod != null ? shutdownQuietPeriod : shutdownTimeout;
+		this.shutdownQuietPeriod = shutdownQuietPeriod;
 	}
 
 	@Override

src/main/java/org/springframework/data/redis/connection/lettuce/LettuceClientConfiguration.java

@@ -185,7 +185,7 @@ class LettuceClientConfigurationBuilder {
 		@Nullable RedisCredentialsProviderFactory redisCredentialsProviderFactory;
 		Duration timeout = Duration.ofSeconds(RedisURI.DEFAULT_TIMEOUT);
 		Duration shutdownTimeout = Duration.ofMillis(100);
-		@Nullable Duration shutdownQuietPeriod;
+		Duration shutdownQuietPeriod = Duration.ZERO;
 
 		LettuceClientConfigurationBuilder() {}
 

src/test/java/org/springframework/data/redis/connection/lettuce/LettuceClientConfigurationUnitTests.java

@@ -39,12 +39,11 @@
  */
 class LettuceClientConfigurationUnitTests {
 
-	@Test // DATAREDIS-574, DATAREDIS-576, DATAREDIS-667, DATAREDIS-918
+	@Test // DATAREDIS-574, DATAREDIS-576, DATAREDIS-667, DATAREDIS-918, GH-2945
 	void shouldCreateEmptyConfiguration() {
 
 		LettuceClientConfiguration configuration = LettuceClientConfiguration.defaultConfiguration();
 
-
 		assertThat(configuration.isUseSsl()).isFalse();
 		assertThat(configuration.isVerifyPeer()).isTrue();
 		assertThat(configuration.getVerifyMode().equals(SslVerifyMode.FULL));
@@ -58,7 +57,7 @@ void shouldCreateEmptyConfiguration() {
 		assertThat(configuration.getClientName()).isEmpty();
 		assertThat(configuration.getCommandTimeout()).isEqualTo(Duration.ofSeconds(60));
 		assertThat(configuration.getShutdownTimeout()).isEqualTo(Duration.ofMillis(100));
-		assertThat(configuration.getShutdownQuietPeriod()).isEqualTo(Duration.ofMillis(100));
+		assertThat(configuration.getShutdownQuietPeriod()).isEqualTo(Duration.ZERO);
 	}
 
 	@Test // DATAREDIS-574, DATAREDIS-576, DATAREDIS-667
@@ -92,13 +91,13 @@ void shouldConfigureAllProperties() {
 	}
 
 	@Test // DATAREDIS-881
-	void shutdownQuietPeriodShouldDefaultToTimeout() {
+	void shutdownQuietPeriodShouldDefaultInitialValue() {
 
 		LettuceClientConfiguration configuration = LettuceClientConfiguration.builder()
 				.shutdownTimeout(Duration.ofSeconds(42)).build();
 
 		assertThat(configuration.getShutdownTimeout()).isEqualTo(Duration.ofSeconds(42));
-		assertThat(configuration.getShutdownQuietPeriod()).isEqualTo(Duration.ofSeconds(42));
+		assertThat(configuration.getShutdownQuietPeriod()).isEqualTo(Duration.ZERO);
 	}
 
 	@Test // DATAREDIS-576

src/test/java/org/springframework/data/redis/connection/lettuce/LettucePoolingClientConfigurationUnitTests.java

@@ -40,7 +40,7 @@
  */
 class LettucePoolingClientConfigurationUnitTests {
 
-	@Test // DATAREDIS-667, DATAREDIS-918
+	@Test // DATAREDIS-667, DATAREDIS-918, GH-2945
 	void shouldCreateEmptyConfiguration() {
 
 		LettucePoolingClientConfiguration configuration = LettucePoolingClientConfiguration.defaultConfiguration();
@@ -58,7 +58,7 @@ void shouldCreateEmptyConfiguration() {
 		assertThat(configuration.getClientResources()).isEmpty();
 		assertThat(configuration.getCommandTimeout()).isEqualTo(Duration.ofSeconds(60));
 		assertThat(configuration.getShutdownTimeout()).isEqualTo(Duration.ofMillis(100));
-		assertThat(configuration.getShutdownQuietPeriod()).isEqualTo(Duration.ofMillis(100));
+		assertThat(configuration.getShutdownQuietPeriod()).isEqualTo(Duration.ZERO);
 	}
 
 	@Test // DATAREDIS-667