An analysis of performance evolution of Linux’s core operations

An analysis of performance evolution of Linux’s core operations Ren et al., SOSP’19

I was drawn in by the headline results here:

This paper presents an analysis of how Linux’s performance has evolved over the past seven years… To our surprise, the study shows that the performance of many core operations has worsened or fluctuated significantly over the years.

When you get into the details I found it hard to come away with any strongly actionable takeaways though. Perhaps the most interesting lesson/reminder is this: it takes a lot of effort to tune a Linux kernel. For example:

  • “Red Hat and Suse normally required 6-18 months to optimise the performance an an upstream Linux kernel before it can be released as an enterprise distribution”, and
  • “Google’s data center kernel is carefully performance tuned for their workloads. This task is carried out by a team of over 100 engineers, and for each new kernel, the effort can also take 6-18 months.”

Meanwhile, Linux releases a new kernel every 2-3 months, with between 13,000 and 18,000 commits per release.

Clearly, performance comes at a high cost, and unfortunately, this cost is difficult to get around. Most Linux users cannot afford Continue reading

An SD-WAN service that gets around the Great Firewall of China legally

The saying goes that China is the world’s factory. For many companies around the world, their products or components of their products are produced in mainland China. At the same time, China’s population of more than a billion people makes it one of the world’s largest consumer markets. Thus, for either production or sales, many companies want to do business in China and have established facilities there.On the networking front, this means that multinational companies need to extend their wide area network into China to support their large or rapidly growing operations—and that’s easier said than done.[Get regularly scheduled insights by signing up for Network World newsletters.] Many organizations had done this using VPNs, but in early 2018, the Chinese government placed restrictions on IPsec traffic to basically block it from going in and out of the country. The Ministry of Industry and Information Technology (MIIT) said these restrictions are in accordance with the China Cross-border Data Telecommunications Industry Alliance (CDTIA), which was created to regulate cross-border data communication.To read this article in full, please click here

An SD-WAN service that gets around the Great Firewall of China legally

The saying goes that China is the world’s factory. For many companies around the world, their products or components of their products are produced in mainland China. At the same time, China’s population of more than a billion people makes it one of the world’s largest consumer markets. Thus, for either production or sales, many companies want to do business in China and have established facilities there.On the networking front, this means that multinational companies need to extend their wide area network into China to support their large or rapidly growing operations—and that’s easier said than done.[Get regularly scheduled insights by signing up for Network World newsletters.] Many organizations had done this using VPNs, but in early 2018, the Chinese government placed restrictions on IPsec traffic to basically block it from going in and out of the country. The Ministry of Industry and Information Technology (MIIT) said these restrictions are in accordance with the China Cross-border Data Telecommunications Industry Alliance (CDTIA), which was created to regulate cross-border data communication.To read this article in full, please click here

DNS Wars

The 77th NANOG meeting was held in Austin, Texas at the end of October and they invited Farsight’s Paul Vixie to deliver a keynote presentation. These are my thoughts in response to his presentation, and they are my interpretation of Paul’s talk and more than a few of my opinions thrown in for good measure!

A VPN service that gets around the Great Firewall of China legally

The saying goes that China is the world’s factory. For many companies around the world, their products or components of their products are produced in mainland China. At the same time, China’s population of more than a billion people makes it one of the world’s largest consumer markets. Thus, for either production or sales, many companies want to do business in China and have established facilities there.On the networking front, this means that multinational companies need to extend their wide area network into China to support their large or rapidly growing operations—and that’s easier said than done.[Get regularly scheduled insights by signing up for Network World newsletters.] Many organizations had done this using VPNs, but in early 2018, the Chinese government placed restrictions on IPsec traffic to basically block it from going in and out of the country. The Ministry of Industry and Information Technology (MIIT) said these restrictions are in accordance with the China Cross-border Data Telecommunications Industry Alliance (CDTIA), which was created to regulate cross-border data communication.To read this article in full, please click here

Intel unveils new Xeon E-2200 line for entry level servers

Intel is relaunching the Xeon E-2200 line, which it first introduced in May for workstations, as a low-end server processor for simpler tasks. The new chips are socket-compatible with the older E-2100 line so existing servers can be upgraded.Intel makes no bones about it, the Xeon E-2200 processors are for entry-level servers, coming in 4-core and 6-core designs as well as a new 8-core product capable of hitting 5.0 GHz with Intel’s Turbo Boost Technology 2.0.[Get regularly scheduled insights by signing up for Network World newsletters.] The Xeon E-2288G and E-2278G CPUs are the new high-end models with eight cores and 16 threads, a boost over the six-core count of the E-2100. The E-2200 is meant for single-socket systems with a maximum memory capacity of 128GB.To read this article in full, please click here

Intel unveils new Xeon E-2200 line for entry level servers

Intel is relaunching the Xeon E-2200 line, which it first introduced in May for workstations, as a low-end server processor for simpler tasks. The new chips are socket-compatible with the older E-2100 line so existing servers can be upgraded.Intel makes no bones about it, the Xeon E-2200 processors are for entry-level servers, coming in 4-core and 6-core designs as well as a new 8-core product capable of hitting 5.0 GHz with Intel’s Turbo Boost Technology 2.0.[Get regularly scheduled insights by signing up for Network World newsletters.] The Xeon E-2288G and E-2278G CPUs are the new high-end models with eight cores and 16 threads, a boost over the six-core count of the E-2100. The E-2200 is meant for single-socket systems with a maximum memory capacity of 128GB.To read this article in full, please click here

A VPN service that gets around the Great Firewall of China legally

The saying goes that China is the world’s factory. For many companies around the world, their products or components of their products are produced in mainland China. At the same time, China’s population of more than a billion people makes it one of the world’s largest consumer markets. Thus, for either production or sales, many companies want to do business in China and have established facilities there.On the networking front, this means that multinational companies need to extend their wide area network into China to support their large or rapidly growing operations—and that’s easier said than done.[Get regularly scheduled insights by signing up for Network World newsletters.] Many organizations had done this using VPNs, but in early 2018, the Chinese government placed restrictions on IPsec traffic to basically block it from going in and out of the country. The Ministry of Industry and Information Technology (MIIT) said these restrictions are in accordance with the China Cross-border Data Telecommunications Industry Alliance (CDTIA), which was created to regulate cross-border data communication.To read this article in full, please click here

Tigera Joins the Fortinet Fabric-Ready Program and Partners with Fortinet to Secure Kubernetes Environments

We are proud to partner with Fortinet and join their Fabric-Ready Technology Alliance Partner program. With this partnership, Fortinet customers will be able to extend their network security architecture to their Kubernetes environments.

Our partnership was driven from interest from Fortinet’s customers to protect their Kubernetes based infrastructure. Kubernetes adoption is growing like wildfire and nearly every enterprise on the planet is at some stage of their Kubernetes journey.

The Tigera and Fortinet joint solution will support all cloud-based and on-premises Kubernetes environments. With this architecture, Tigera Secure will map security policies from FortiManager into each Kubernetes cluster in the cloud or on-premises. The joint solution will enable Fortinet customers to enforce network security policies for traffic into and out of the Kubernetes cluster (North/South traffic) as well as traffic between pods within the cluster (East/West traffic).

Tigera Secure will also integrate with threat feeds from FortiGuard to detect and block any malicious activity inside the clusters. Tigera will monitor the cluster traffic and send these events to FortiSIEM, enabling the security operations team to quickly diagnose the situation.

If you are attending Microsoft Ignite join us at our respective booths to learn more about our solution (Fortinet Booth #519 Continue reading

Chinese Operators Activate World’s Largest 5G Network

5G services are now live in 50 cities across the country, including Beijing, Shanghai, Guangzhou,...

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Stuff The Internet Says On Scalability For November 1st, 2019

 Wake up! It's HighScalability time:

 

Butterfly? Nope, cells in telophase stage of mitosis (Jason M. Kirk)

Do you like this sort of Stuff? I'd greatly appreciate your support on Patreon. I also wrote Explain the Cloud Like I'm 10 for all who need to understand the cloud. On Amazon it has 61 mostly 5 star reviews (136 on Goodreads). Please recommend it. You'll be a cloud hero.

Number Stuff: 

Don't miss all that the Internet has to say on Scalability, click below and become eventually consistent with all scalability knowledge (which means this post has many more items to read so please keep on reading)...

BrandPost: Performance Lies at the Heart of all Business Innovation

The Universal Quest for Speed Business innovation has always been key to the success of organizations, especially for those willing to adopt new solutions. From the first abacus and the invention of double entry bookkeeping to the introduction of the ticker tape to copy machine, technology has one thing in common – it has always enabled business to function faster and more efficiently, saving money and increasing productivity.Today’s digital innovation is no different. Applications and device functionality continue to accelerate business. And underlying those functions is the need for performance. Organizations literally spend trillions of dollars upgrading their networks and devices to generate more computing capacity to accommodate evolving business solutions. As a result, a single end user device today has more processing power, generates more data, and requires access to more digital resources than existed in the entire world just a handful of decades ago.To read this article in full, please click here

AWS to Open Cloud Data Centers in Spain

This will be AWS’s seventh region in Europe and brings its total to 22 worldwide.

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