With the advent of the cloud computing era, service providers and users in the IDC industry also began to turn to IaaS services in batches. From the perspective of the current application form of IaaS services in China, Huawei ECS and cloud storage users have the highest adoption rate, with the utilization ratio reaching more than 70%. However, the quality of products provided by Huawei ECS manufacturers is uneven. In addition, users' requirements for various aspects of Huawei ECS performance are also different. For example, for the majority of small and medium-sized enterprises, users have a common demand for higher bandwidth and lower latency of network I/O. that How can Huawei ECS enhance its stability and defense? Many webmaster friends will have similar questions, so Micronet will take you to have a look.
Generally, the evaluation of the general processing capacity of Huawei ECS mainly includes the following indicators: vCPU computing capacity (integer and floating point operations), memory processing capacity (data read and write speed), hard disk processing capacity (random data read and write speed), network transmission capacity (TCP throughput of outgoing and incoming traffic) Online availability (the proportion of time that the host can access remotely). There are many evaluation reports around the above five parts in the market. According to the statistics of several survey reports, Network transmission capability and hard disk processing capability are two of the most important indicators for users to evaluate Huawei ECS.
First, we measured the IOPS of Huawei ECS
Therefore, in order to test its own IO performance, Huawei Cloud recently used the fio test tool. Under the conditions of "4K, 512K" data blocks and the depth of the iodepth queue of 128, Huawei Cloud Linux Huawei Cloud Server (CPU-4 core, OS CentOS 6.8 64bits, Mem-8G, data disk 200G), and test the IO of its data disk.
Test the raw device of the data disk (/dev/vdc1) as follows:
#Test random read IOPS:
#fio-direct=1-iodepth=128-filename=/dev/vdc1-rw=randread-ioengine=libaio-bs=4k-size=10G-numjobs=64-runtime=1000-group_reporting-name=randread.iops-output=randread.iops
#Test random write IOPS:
#fio-direct=1-iodepth=128-filename=/dev/vdc1-rw=randwrite-ioengine=libaio-bs=4k-size=10G-numjobs=64-runtime=1000-group_reporting-name=randwrite.iops-output=randwrite.iops
#Test sequential write throughput:
#fio-direct=1-iodepth=128-filename=/dev/vdc1-rw=write-ioengine=libaio-bs=512k-size=10G-numjobs=64-runtime=1000-group_reporting-name=write.throughput-output=write.throughput
#Test sequential read throughput:
fio-direct=1-iodepth=128-filename=/dev/vdc1-rw=read-ioengine=libaio-bs=512k-size=10G-numjobs=64-runtime=1000-group_reporting-name=read.throughput-output=read.throughput
The final test result is that the random read IOPS is 131194, the random write IOPS is 79128 (4K data blocks), and the sequential read throughput is 6.2GB/s, and the sequential write throughput is 2.2GB/s (512K data blocks).
In the process of testing the network speed, it is also targeted at a Linux Huawei ECS (configured with one IP, 10M bandwidth, CPU4 core, 16G memory, and 300G data disk). The speedtest_cli command detects that the network real-time download and upload speed may reach 191.33 Mbit/s and 11.17 Mbit/s.
IOPS and network channels are two bottlenecks that restrict the performance of Huawei ECS. This result also enables Huawei ECS to provide more user scenarios and better user experience than traditional models.
Polishing the stability of Huawei ECS
IOPS indicators are critical for database type applications, but for Huawei ECS, speed is only a dimension reflecting its overall performance. In addition, it also includes indicators such as stability and safety.
Two months before the opening of Huawei Cloud on November 1, Huawei Cloud first conducted a round of free internal testing, which mainly measured the performance (IOPS performance) and stability (load balancing, attack prevention, etc.). According to the host trial application and feedback data submitted by the user in the internal test, Huawei Cloud has carried out optimization and upgrading for another two months to strengthen the stability of Huawei ECS, and added many practical functions that are easy for users to operate, such as timers, monitoring alarm notifications, visual attack prevention queries, etc.
Huawei ECS relies heavily on the stability of the physical machine, and hardware failure is an important factor affecting the stability of the physical machine. Therefore, Huawei Cloud mainly provides hardware redundancy to isolate the damage of a single hardware failure to the stability of Huawei ECS. For example, the damage of a power module or even the interruption of a row of cabinet power will not affect the power supply of the physical machine; Or, even if one of the disks is damaged, the RAID+Hotspare disk array can also have no impact on users and automatically restore to the original redundancy in a short time.
In addition, the stability of Huawei ECS is also related to the high availability of network links. Compared with a single link network, a dual link network can still ensure that another link is available when one link fails, so as to shield the single point network from failure. Huawei Cloud stacks switches distributed in different cabinets with each other. Multiple network cards on the server are connected to different switches under the same stack group for bonding. Normally, multiple links under the same bonding can work at the same time. If a link is abnormal, the traffic will be automatically redistributed to other normal links to ensure the high availability of the user network to the greatest extent.
At present, the dual link multi redundancy architecture of the whole network adopted by Huawei Cloud means that any physical failure of a single device or link in the current Huawei Cloud architecture will not affect the normal use of users. In terms of data storage, Huawei Cloud adopts a triple data protection strategy. First, Raid disk arrays are used for data disks to prevent data loss caused by physical damage; Second, provide users with snapshots in the machine; Third, automatically perform remote backups for users on a regular basis. At the same time, Huawei Cloud has been preparing to build a second node, on which it will build a network architecture for remote disaster recovery.
Huawei Cloud Defense Architecture
After optimization and upgrading, Huawei's cloud network redundancy architecture can effectively shield network failures. The erection of cloud firewall can also provide special protection against DDoS attacks. DDoS attacks, misoperations, and viruses all lead to the risk of data loss. Therefore, Huawei Cloud provides 20G basic DDoS protection, which can detect and clean SYN Flood、ACK Flood、UDP Flood、ICMP Flood, NTP/DNS/SSDP reflection attacks and other common attack types. The detection device detects the bypass of the traffic entering the core switch. After the attack is found, the attacked IP is diverted, cleaned by a special device, and then injected back to the core switch.
Huawei ECS creates possibilities for games, videos, mobile applications and other fields
Compared with self built servers, the biggest advantage of cloud services is that they can be deployed quickly and flexibly. In the exploration of convenient deployment for second level creation, application and use at any time, Huawei Cloud's services allow users to freely upgrade and elastically expand the host configuration and bandwidth size according to different businesses.
In the Internet era, the computing resources provided by Huawei ECS are the physical basis for building various applications. The first generation of cloud computing programmers in the Huawei Cloud team witnessed the era of AWS. Through continuous polishing of the underlying architecture and product construction, the team can continue to grow and meet the performance indicators, network port stability Strict requirements such as data information security and host anti attack performance.
The above is the analysis of the neutrino network I hope it can be helpful to you on how Huawei ECS can enhance its stability and defense. Huawei Cloud, a micro network agent, is an excellent cloud computing service provider. It can provide the best service for friends who want to rent Huawei ECS to open their own online business. It has perfect industry solutions and excellent cloud computing technology. Self developed pure The SSD architecture ECS, with 50000 IOPS random read/write speed and 800 Mb/s throughput as performance indicators, broke the industry record. ECS elastic ECS adopts pure SSD architecture hardware devices can easily obtain and enable the cloud in just a few minutes to meet your computing needs. Expand the flexibility of resource use, save computing costs and simplify IT operation work enables you to pay more attention to the innovation of core business.
