Testsigma

JANUARY 6, 2022

Today, when people are working from home, they are using personal or company-provided laptops to connect to the office network. Mostly we are using a virtual desktop to stay connected to the organization’s network. Any technical glitch such as a network bandwidth issue can impact the output of the whole organization.

Testing 52

Testing Internet Internet Testing Tools 52

Dynatrace

JUNE 1, 2021

However, with today’s highly connected digital world, monitoring use cases expand to the services, processes, hosts, logs, networks, and of course, end-users that access these applications — including a company’s customers and employees. Mobile apps, websites, and business applications are typical use cases for monitoring.

Monitoring 148

Monitoring Mobile Social Media Artificial Intelligence 148

Percona

AUGUST 30, 2023

This can be changed later using the pg_checksums utility, but that will be a painful exercise on a big database. For example, the network port at which PostgreSQL listens cannot be changed at the individual database level. A change to such parameters requires the postmaster — the main process of the PostgreSQL — to restart.

Database 105

Database Servers Open Source Tuning 105

The Morning Paper

MARCH 15, 2020

In contrast, a process suffering a total failure can be quickly identified, restarted, or repaired by existing mechanisms, thus limiting the failure impact. 71% of failures are triggered by a specific environment condition, input, or faults in other processes. Characterising partial failures. a restart) is made.

Systems 98

Systems Software Software Programming 98

Particular Software

DECEMBER 9, 2019

Decommissioning Public102 was an exercise in the mundane, gradually transitioning tiny service after tiny service to new homes over the course of weeks, as the development schedule allowed. When finally we had all the processes migrated, we celebrated as we decommissioned Public102. It's not so easy with a junk drawer server.

Wireless 52

Wireless DevOps Infrastructure Network 52

MachMetrics

DECEMBER 12, 2019

In a post detailing the thought process behind the planned feature, the Chrome team explains that “In the future, Chrome may identify sites that typically load fast or slow for users with clear badging ”. Unfortunately, some business owners don’t understand that buying a theme and implementing it isn’t the end of the process.

Google 86

Google Website Best Practices Internet 86

CSS - Tricks

APRIL 1, 2021

With all of this in mind, I thought improving the speed of my own version of a slow site would be a fun exercise. Using a network request inspector, I’m going to see if there’s anything we can remove via the Network panel in DevTools. In DevTools, the Network inspector helps us see what the first webpage is doing too.

Cache 92

Cache Social Media Media Website 92

Adrian Cockcroft

NOVEMBER 11, 2019

There are many possible failure modes, and each exercises a different aspect of resilience. Another problem is that a design control, intended to mitigate a failure mode, may not work as intended. Staff should be familiar with recovery processes and the behavior of the system when it’s working hard to mitigate failures.

Latency 52

Latency Engineering Systems Hardware 52

Adrian Cockcroft

NOVEMBER 11, 2019

There are many possible failure modes, and each exercises a different aspect of resilience. Another problem is that a design control, intended to mitigate a failure mode, may not work as intended. Staff should be familiar with recovery processes and the behavior of the system when it’s working hard to mitigate failures.

Latency 53

Latency Engineering Systems Hardware 53

Smashing Magazine

JULY 22, 2021

You can see that in the workday I’ve marked the dark blue as ‘getting tasks done’, which represented product design for my case. Exercise/outdoors. Networking. Design and development. Large preview ). Next is meetings, and lastly is working on presentations. Completing actual work. Creating presentations. Cooking/Eating.

Games 126

Games Availability Software Software 126

Rigor

NOVEMBER 22, 2019

To accomplish this goal, an organization needs to build internal processes and procedures that can operationalize a performance-first culture. According to Tim Kadlec : A performance budget is a clearly defined limit on one or more performance metrics that the team agrees not to exceed and that is used to guide design and development.

Performance 45

Performance Metrics Website Speed 45

The Morning Paper

DECEMBER 8, 2019

Byte-addressable non-volatile memory,) NVM will fundamentally change the way hardware interacts, the way operating systems are designed, and the way applications operate on data. Traditionally one of the major costs when moving data in and out of memory (be it to persistent media or over the network) is serialisation.

Hardware 56

Hardware Programming Media Storage 56

The Morning Paper

JULY 4, 2019

This is a fascinating paper from members of Netflix’s Resilience Engineering team describing their chaos engineering initiatives: automated controlled experiments designed to verify hypotheses about how the system should behave under gray failure conditions, and to probe for and flush out any weaknesses. Safeguards. On error rates.

Latency 77

Latency Engineering Metrics Traffic 77

The Morning Paper

APRIL 16, 2019

The networking model is asynchronous (allowing out of order, dropped, delayed, and duplicated messages), the failure model is crash-stop. We would like students to consider the performance characteristics of their systems, and our tests check that their designs attain reasonable run-time performance. Testing and model checking.

Systems 43

Systems Efficiency Testing Strategy 43

Alex Russell

AUGUST 30, 2021

Large projects like browser engines also exercise governance through a hierarchy of "OWNER bits," which explicitly name engineers empowered to permit changes in a section of the codebase. Developers can provide feedback from using features and lobby other browsers to adopt (or re-design) them.

Engineering 98

Engineering Open Source Website Operating System 98

Smashing Magazine

AUGUST 9, 2021

Smashing Podcast Episode 41 With Eva PenzeyMoog: Designing For Safety. Smashing Podcast Episode 41 With Eva PenzeyMoog: Designing For Safety. In this episode, we’re talking about designing for safety. What does it mean to consider vulnerable users in our designs? Design for Safety from A Book Apart. Drew McLellan.

Design 98

Design Education Network Google 98

Smashing Magazine

AUGUST 19, 2021

Ethics are an important part of human-computer interaction because they keep people at the heart of the design process. For example, try and recall the last time your team’s processes were audited for compliance against the company’s ethical standards. Devin Harold. 2021-08-19T10:00:00+00:00. 2021-08-19T12:06:27+00:00.

Code 137

Code Design Education Government 137

Alex Russell

SEPTEMBER 20, 2020

The world didn't yet have pervasive multi-process browser sandboxing, JS JITs , or metal-speed binary isolation. The nuances of careful security design are common casualties in FUD-slinging fights. Not draining other's bank accounts may be something of an exercise to the reader. ??.

Hardware 64

Hardware Mobile Programming Java 64

The Netflix TechBlog

DECEMBER 23, 2020

For example, the PID namespace makes it so that a process can only see PIDs in its own namespace, and therefore cannot send kill signals to random processes on the host. In addition to the default Docker namespaces (mount, network, UTS, IPC, and PID), we employ user namespaces for added layers of isolation. User Namespaces.

Media 286

Media Metrics Systems Processing 286

All Things Distributed

OCTOBER 2, 2017

With these requirements in mind, and a willingness to question the status quo, a small group of distributed systems experts came together and designed a horizontally scalable distributed database that would scale out for both reads and writes to meet the long-term needs of our business. This was the genesis of the Amazon Dynamo database.

Internet 128

Internet Internet AWS Performance 128

All Things Distributed

NOVEMBER 15, 2010

From financial processing and traditional oil & gas exploration HPC applications to integrating complex 3D graphics into online and mobile applications, the applications of GPU processing appear to be limitless. Because of its focus on latency, the generic CPU yielded rather inefficient system for graphics processing.

AWS 136

AWS Latency Programming Architecture 136

The Netflix TechBlog

MARCH 6, 2019

—?Mounting object storage in Netflix’s media processing platform By Barak Alon (on behalf of Netflix’s Media Cloud Engineering team) MezzFS (short for “Mezzanine File System”) is a tool we’ve developed at Netflix that mounts cloud objects as local files via FUSE. Encoding is not a one-time process?—?large We have one file?—?the

Media 214

Media Storage Processing Cache 214