based log shipment solution.This solution uses RDMA as a replacement for the traditional shipment methods based on shared storage or TCP,which can improve the log shipment throughput by 100%and reduce the replication ...
you can specify an ECS instance as the source resource and another ECS instance in the same Alibaba Cloud account as the destination resource.If you set the destination port to 22 and the protocol to TCP,you can use path ...
you can specify server groups whose protocol is UDP or TCP_UDP.TCP server groups are not supported.If the listener uses TCPSSL,you can specify server groups whose protocol is TCP and whose client IP preservation is ...
public static final String NAMESRV_ADDR="The TCP endpoint that can be used to access your ApsaraMQ for RocketMQ instance.You can view the endpoint in the TCP Endpoint section of the Instance Details page in the ApsaraMQ ...
wrappers library or that have been#started through a tcp_wrappers-enabled xinetd.#The rules in this file can also be set up in#etc/hosts.allow with a 'deny' option instead.#See 'man 5 hosts_options' and 'man 5 hosts_access...
click Edit next to the listener name.In the dialog box that appears,modify the listener name,and then click OK.Modify the TCP connection idle timeout You can modify the TCP connection idle timeout only when the traffic ...
the stack securely falls back to TCP.You can run the smcss command to query the fallback reason for each SMC connection.For more information,see Monitor connections.Packet capture diagnostics The SMC stack uses Remote ...
A virtual private cloud(VPC)firewall can be used to monitor and control the traffic between network instances that are connected by using a transit router of a Cloud Enterprise Network(CEN)instance or an Express Connect ...
using NLB that supports the TCPSSL protocol can further optimize the performance of application systems in scenarios with ultra-high performance and large-scale TLS offloading.When using ALB,enabling the HTTP2.0 protocol,...
Features overview Configuration To enhance performance and security for applications that connect to the origin server via Transmission Control Protocol(TCP)or User Datagram Protocol(UDP),you can activate the TCP/UDP ...
tcp_tw_timeout =[$TIME_VALUE]Press Esc,type:wq,and press Enter to save and exit the file.Apply the changes without rebooting.sudo sysctl-p Verify that the value has been updated.sysctl net.ipv4.tcp_tw_timeout Note Youcan run ...
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 ...
use the VPC endpoint.If the server and the cluster are deployed in different VPCs,use the public endpoint.port The TCP port number.You can view the TCP port number on the Cluster Information page.user The database account....
To forward TCP requests from clients to a Network Load Balancer(NLB)instance in scenarios that require high reliability and high data accuracy but can tolerate a relatively low speed,such as file transfer,sending or ...
If your services are sensitive to data consistency,reliability,and data integrity but can tolerate a relatively low transmission speed,such as file transmission,email services,and remote logons,you can add a TCP listener ...
ApsaraMQ for RocketMQ released new versions of the TCP client SDK for Java and the TCP client SDK for C++ on October 18,2021.In this release,the major versions of the TCP client SDKs are upgraded.This topic describes the ...
ApsaraMQ for RocketMQ released new versions of the TCP client SDK for Java and the TCP client SDK for C++ on October 18,2021.In this release,the major versions of the TCP client SDKs are upgraded.This topic describes the ...
The TCP endpoint.You can obtain the TCP endpoint in the TCP Endpoint section of the Instance Details page in the ApsaraMQ for RocketMQ console.properties.put(PropertyKeyConst.NAMESRV_ADDR,"XXX");Producer producer=...
By default,if you do not create any access control policies after enabling the Internet firewall,Cloud Firewall allows all traffic.You can create outbound and inbound access control policies for the Internet firewall to ...
If you want your Network Load Balancer(NLB)instance to forward TCP requests in scenarios that have high requirements for performance and large-scale TLS offloading,you can add a TCP/SSL listener to your NLB instance....
the sender does not need to wait for the retransmission timer to expire and can retransmit the unacknowledged segment earlier.[TCP zerowindow]Issue:The[TCP zerowindow]message appears during packet capture,as shown in the ...
Can I use ICMP Ping and TCPing to test the acceleration performance of UDP or TCP listeners?How many GA instances can I create using an Alibaba Cloud account?Can a client that cannot access the Internet use GA?What is the ...
This topic describes the release notes for the TCP client SDK for C++.The release notes include the release date,download link,and feature updates for each release.You can select a version of the TCP client SDK for C++ ...
the SLB uses the HEAD method to Health Check.For more information,see method 1.Alternatively,you can change to TCP.The TCP health check is based on network layer detection,which sends SYN packets to detect whether the ...
This topic describes the release notes for the TCP client SDK for Java,including the usage notes,release date,download link,and feature updates for each release.You can choose a version of the SDK for Java that meets your ...
R.For more information about SMC-R,see RFC 7609.Alibaba Cloud Linux 3 leverages Alibaba Cloud eRDMA to allow the use of SMC-R in the cloud.SMC-R can transparently replace TCP in applications without functionality loss to ...
if you want to expose web services,you can open common TCP ports,such as ports 80,8080,and 443,and close other ports.To ensure security,we recommend that you specify IP addresses or CIDR blocks as authorization objects...
you can obtain information,such as the time required to receive the request in the TCP stack and the time required to process the request.TCP-RT also supports statistical analysis in the kernel system and generates ...
port port-(Required)The port of k8s service,values should be within range[1,65535].protocol-(Required)The protocol of k8s service,values can be 'TCP' or 'UDP'.target_port-(Required)The port of k8s pod,values should be ...
a connection pool can reuse existing TCP connections.This reduces the overhead of creating and destroying connections.Performance optimization:By configuring the connection pool size,such as the maximum number of ...
Yes,it can.It can process fragmented TCP,UDP,and ICMP data packets.SNAT configuration If the source CIDR blocks of multiple SNAT entries overlap,how are the priorities of the SNAT entries matched?The system determines the ...
You can use the TCP_USER_TIMEOUT parameter to avoid scenarios in which Lettuce remains stuck in a continuous timeout loop during a failure or crash event.*refer:https://github.com/lettuce-io/lettuce-core/issues/2082 */...
you can enable the TCP/UDP proxy feature to improve application performance and security.Common TCP or UDP-based scenarios include real-time combat games and real-time interactive audio and video streaming.Layer 4 proxy ...
Before you can use the noresvport parameter to mount a file system,you must remount the file system.This way,you can close all TCP connections to which the noresvport parameter is not applied.When you use the noresvport ...
If you purchase a Tair(Redis OSS-compatible)cluster instance for which the direct connection mode is enabled,you can seamlessly migrate a native Redis cluster to the cluster instance.The private ...You can use the TCP...
This topic describes how to calculate the number of TCP connections in SAE.SAE uses the same logic as the ss command to calculate the number of TCP connections.You can run the ss-s command to verify the calculation.The ...
support jumbo frames.For example,to prevent unnecessary data fragmentation,you can change the TCP maximum segment size(MSS)to support jumbo frames.For more information,see MTU.Important In non-TCP scenarios,such as when ...
This topic describes the parameters that you must configure when you use the TCP client SDK for C++ of the Community Edition to access ApsaraMQ for RocketMQ.Common parameters Parameter Description NameServer The TCP ...
IF}-p tcp-tcp-flags ALL NONE-m limit-limit 5/m-limit-burst 7-j LOG-log-prefix”NULL Packets“$IPT-A INPUT-i${PUB_IF}-p tcp-tcp-flags ALL NONE-j DROP$IPT-A INPUT-i${PUB_IF}-p tcp-tcp-flags SYN,RST SYN,RST-j DROP#Drop XMAS$...
tcp:TCP udp:UDP tcp,udp:TCP and UDP You can specify up to four backend service protocols in each configuration.tcp FromPort integer No The start port of the backend service port range of the endpoint group.Valid values:1 ...