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Use ASM to migrate TCP traffic

If you want to optimize your network topology,scale out application servers,or throttle user traffic,you can use Traffic Management Center in the Service Mesh(ASM)console to smoothly migrate TCP traffic.This can ensure ...

Use ASM to migrate TCP traffic

If you want to optimize your network topology,scale out application servers,or throttle user traffic,you can use Traffic Management Center in the Service Mesh(ASM)console to smoothly migrate TCP traffic.This can ensure ...

TCP multiplexing

You can enable TCP multiplexing to reduce the transmission delay of your services.This topic describes how to enable this feature.Notes This feature is available only for domain names that are accelerated over TCP.It is ...

通过ASM实现TCP应用流量迁移

apiVersion:networking.istio.io/v1alpha3 kind:VirtualService metadata:name:tcp-echo spec:hosts:"*"gateways:tcp-echo-gateway tcp:match:port:31400 route:destination:host:tcp-echo port:number:9000 subset:v1 weight:80-...

Introduction of common kernel network parameters ...

This topic describes common Linux kernel network parameters of Elastic Compute Service(ECS)instances.This topic also provides answers to frequently asked questions about the Linux kernel network parameters.Precautions ......

TCP连接数的计算逻辑是什么?

本文介绍使用SAE时,如何计算TCP...SAE TCP总连接数=命令返回中TCP的总值 TCP活跃连接数=命令返回中 estab 值 TCP非活跃连接数=TCP总连接数-TCP活跃连接数 您可通过一键复制安装命令快捷安装 ss 命令。具体操作,请参见 一键复制安装命令。

Linux实例开启TCP SACK的方法

本文介绍如何在Linux实例中开启TCP SACK的方法。说明 当Linux实例未开启TCP SACK时,可能会影响Linux实例的网络性能。您可以参考本文内容,开启TCP SACK。操作步骤 说明 本文内容以CentOS 7.4版本的系统为例,其他版本操作步骤可能略有不同...

TCP-RT configurations

TCP-RT is a TCP monitoring tool that uses kernel hooking technology to identify requests and responses on TCP connections and capture information such as request receiving times and service processing times.TCP-RT is ...

MQTT-TCP接入说明

本文为您介绍如何使用MQTT-TCP接入物联网平台。前提条件 启用TCP接入:2023年10月后创建的实例:设备使用TCP接入的安全风险非常高,新建的企业版实例默认关闭TCP接入方式。2023年10月前创建的实例:保持兼容,默认启用TCP接入。获取C Link ...

NLB监控项

NLB监控指标 NLB支持通过控制台、API、SDK查看的监控项 监控指标类型 监控项 监控描述 MetricName Dimensions Statistics 实例连接类 实例每秒新建连接数 NLB实例每秒处理的新建TCP和UDP连接的数量。单位:Count/s InstanceNewConnection ...

Modify the TCP TIME_WAIT timeout

By default,the TCP/IP TIME_WAIT state in the Linux kernel lasts for a fixed 60-second period.In certain high-load TCP scenarios,reducing this timeout can improve network performance.To enable this,Alibaba Cloud Linux 2...

出错提示“TCP Wrappers configuration affects”

本文主要介绍在Linux操作系统迁移时,迁移任务出错提示“TCP Wrappers configuration affects”信息时的问题描述、问题原因及其解决方案。问题描述 在SMC操作系统迁移到AnolisOS时,迁移任务出错提示“TCP Wrappers configuration affects...

What do I do if a large number of"TCP:time wait ...

This topic describes the causes of and solution to the following issue:A large number of"TCP:time wait bucket table overflow"error messages appear in the/var/log/messages file of a Linux Elastic Compute Service(ECS)...

TCP 25端口解封申请

出于安全考虑,阿里云默认封禁TCP 25端口出方向的访问流量,即您的阿里云云服务器无法通过TCP 25端口连接外部地址。背景信息 TCP 25端口的出方向封禁可能影响您通过TCP 25 端口连接第三方邮件服务商的SMTP服务器对外部发送邮件。如果您需要...

RDS PostgreSQL接入自建域

配置格式:TYPE|DATABASE|USER1|ADDRESS|MASK|METHOD|OPTION 请在 编辑AD域 的编辑框中按顺序填写需要导入的服务信息。各参数取值请参见 参数说明。配置示例:host|all|AD域中创建的普通用户的用户名|0.0.0.0/0|ldap|ldapserver=ECS服务器...

TCP健康检查

概述 TCP健康检查是GTM对目标地址进行健康检查使用的一种网络协议。主要是监控IP地址的网络可达性、端口可用性、延时等指标,当监控IP地址或者端口出现异常时,自动屏蔽异常IP地址,当IP地址恢复正常时,自动取消屏蔽设置。设置方法 登录 ...

MQTT连云HAL

参数说明 参数 数据类型 方向 说明 fd uintptr_t 输入 TCP连接句柄 返回值说明 值 说明 0 操作失败=0 操作成功 HAL_TCP_Establish 接口原型 uintptr_t HAL_TCP_Establish(_IN_const char*host,_IN_uint16_t port);接口说明 根据指定的...

NLB listeners

you can specify port 80 for a TCP listener and a UDP listener.However,you cannot specify the same port for a TCP listener and a TCP/SSL listener because both listeners listen for TCP requests.For example,you cannot specify...

Troubleshoot SMC

This topic describes the issues that may occur in Shared Memory Communication(SMC)and how to resolve the issues.This...TCP Problem description When you use SMC instead of TCP to accelerate the TCP connection of an application...

配置TCP监听

您可以为ELB实例添加一个TCP监听,在ELB实例上转发来自客户端的TCP协议请求至后端服务器进行处理。前提条件 您已经创建ELB实例。具体操作,请参见 创建ELB实例。操作步骤 登录 ENS控制台。在 边缘负载均衡实例 管理页面,找到目标实例,...

Configuration

If your application establishes connections with the origin server over Transmission Control Protocol(TCP)or User Datagram Protocol(UDP),you can enable the TCP/UDP proxy feature to improve application performance and ...

添加TCP监听

如果您需要在NLB实例上转发来自客户端的TCP协议请求,特别是在注重可靠性、对数据准确性要求高和速度可以相对较慢的场景中,如文件传输、发送或接收邮件和远程登录等,您可以为NLB实例添加一个TCP监听。前提条件 您已经创建 NLB 实例。具体...

FAQ

This topic answers frequently asked questions about EMR Serverless StarRocks.How to access OSS across accounts When you import data or perform data lake operations in Serverless ...(root permissions required)sudo sysctl-w ...

Usage notes

32888(TCP and UDP),and 32889(TCP and UDP)SMB 137(UDP),138(UDP),139(TCP),389(TCP),445(TCP),and 901(TCP)AD 389(TCP and UDP),445(TCP and UDP)DNS 53(UDP and TCP)Kerberos 88(UDP and TCP)iSCSI gateways The cache capacity of ...

Announcement on the settings of private TCP ...

TCP client SDKs can be used to connect to ApsaraMQ for RocketMQ instances.To ensure the stability of your business application,configure the private TCP endpoint for the region where your ApsaraMQ for RocketMQ instance is ...

Optimize conntrack configurations in Terway

Connection tracking(conntrack)is a connection tracking mechanism that monitors and logs network connection status,including TCP states such as SYN,ESTABLISHED,and CLOSED.In Terway Datapath V2 and IPvlan modes,conntrack ...

Announcement on the settings of private TCP ...

TCP client SDKs can be used to connect to ApsaraMQ for RocketMQ instances.To ensure the stability of your business application,configure the private TCP endpoint for the region where your ApsaraMQ for RocketMQ instance is ...

SAP GUI会话异常断开

问题描述 在混合云的网络架构中,通过SAPGUI访问SAP ABAP系统在非活动状态下数分钟会自动断开连接。即使您已经设置了SAP应用服务器的keepalive参数也不起作用,因为操作系统默认的...用以下命令检查操作系统当前配置,示例如下:#sysctl ...

SQL Server接入自建域

输入格式为:49152/65535。步骤三:配置RDS实例AD域服务 访问 RDS实例列表,在上方选择地域,然后单击目标实例ID。在左侧导航栏单击 账号管理。单击 AD域服务信息 页签,然后单击 配置AD域服务。在弹出的 配置AD域服务 对话框中,设置如下...

TCP健康检查

TCP健康检查是GTM对目标地址进行健康检查使用的一种网络协议。主要是监控IP地址的网络可达性、端口可用性、延时等指标,当监控IP地址或者端口出现异常时,自动屏蔽异常IP地址,当IP地址恢复正常时,自动取消屏蔽设置。配置参数说明 模板...

View TCP task dashboards

This topic describes the metrics in the dashboard of TCP synthetic tasks.Go to the Task Overview page Log on to the ARMS console.In the left-side navigation pane,choose Synthetic Monitoring Scheduled Tests.On the Synthetic...
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