《探错笔记》之redis集群出现单节点宕机应用无法正常连接

/**
             * ClusterTopologyRefreshOptions配置用于开启自适应刷新和定时刷新。如自适应刷新不开启，
             * Redis集群变更时将会导致连接异常！
             */
            ClusterTopologyRefreshOptions topologyRefreshOptions = ClusterTopologyRefreshOptions.builder()
                    // 开启自适应刷新
                    .enableAdaptiveRefreshTrigger(ClusterTopologyRefreshOptions.RefreshTrigger.MOVED_REDIRECT,
                            ClusterTopologyRefreshOptions.RefreshTrigger.PERSISTENT_RECONNECTS)
                    // 开启所有自适应刷新，MOVED，ASK，PERSISTENT都会触发
                    // .enableAllAdaptiveRefreshTriggers()
                    // 自适应刷新超时时间(默认30秒)
                    .adaptiveRefreshTriggersTimeout(Duration.ofSeconds(25)) // 默认关闭开启后时间为30秒
                    // 开周期刷新
                    .enablePeriodicRefresh(Duration.ofSeconds(20)) // 默认关闭开启后时间为60秒
                    // ClusterTopologyRefreshOptions.DEFAULT_REFRESH_PERIOD
                    // 60 .enablePeriodicRefresh(Duration.ofSeconds(2)) =
                    // .enablePeriodicRefresh().refreshPeriod(Duration.ofSeconds(2))
                    .build();
            clientConfig = LettucePoolingClientConfiguration.builder().commandTimeout(redisProperties.getTimeout())
                    .poolConfig(genericObjectPoolConfig)
                    .clientOptions(
                            ClusterClientOptions.builder().topologyRefreshOptions(topologyRefreshOptions).build())
                    // 将appID传入连接，方便Redis监控中查看
                    // .clientName(appName + "_lettuce")
                    .build();