Testsigma

DECEMBER 12, 2020

Let alone browsers, the website may get into trouble for different resolutions, different operating systems and different browser versions too!! Cross-browser testing deals with all those things by running the websites on different browsers, their versions, operating systems and on different resolutions.

Testing 53

Testing Operating System Website Latency 53

ScaleOut Software

APRIL 6, 2021

For example, consider some of the new capabilities that real-time digital twins can provide in fleet telematics and vaccine distribution during COVID-19. This simplifies the installation process and ensures portability across operating systems.

IoT 52

IoT Azure Analytics Healthcare 52

Dynatrace

AUGUST 25, 2023

These signals ( latency, traffic, errors, and saturation ) provide a solid means of proactively monitoring operative systems via SLOs and tracking business success. Performance typically addresses response times or latency aspects and contributes to the four golden signals.

Performance 174

Performance Latency Traffic Metrics 174

All Things Distributed

NOVEMBER 13, 2014

AWS handles all the administration of the underlying compute resources, including server and operating system maintenance, capacity provisioning and automatic scaling, code and security patch deployment, and code monitoring and logging. You can go from code to service in three clicks and then let AWS Lambda take care of the rest.

Lambda 136

Lambda AWS Cloud Scalability 136

Scalegrid

DECEMBER 21, 2023

Identifying key Redis® metrics such as latency, CPU usage, and memory metrics is crucial for effective Redis monitoring. With these essential support systems in place, you can effectively monitor your databases with up-to-date data about their health and functioning status at all times.

Strategy 130

Strategy Monitoring Latency DevOps 130

HammerDB

MAY 5, 2019

However in the Skylake microarchitecture (you can see a list of CPUs here ) the PAUSE instruction changed and in the documentation it says “the latency of the PAUSE instruction in prior generation microarchitectures is about 10 cycles, whereas in Skylake microarchitecture it has been extended to as many as 140 cycles.”

Testing 48

Testing Tuning Latency Storage 48

Dynatrace

JANUARY 14, 2022

Kubernetes microservices applications are a striking example of the complexity of today’s modern application and IT stacks. To illustrate how Akamas approach works for Kubernetes microservices applications the webinar, the example of Google Online Boutique is used during the webinar. The Akamas approach. lower than 2%.).

Latency 204

Latency Tuning Efficiency AWS 204

Dynatrace

JANUARY 26, 2021

Traditional computing models rely on virtual or physical machines, where each instance includes a complete operating system, CPU cycles, and memory. There is no need to plan for extra resources, update operating systems, or install frameworks. The provider is essentially your system administrator.

Serverless 243

Serverless Efficiency Lambda Azure 243

Dynatrace

JUNE 25, 2020

This means that Dynatrace continues full operation when a majority of nodes are up and a maximum of two nodes are down at a time. For example, in a three-node cluster, one node can go down; in a cluster with five or more nodes, two nodes can go down. The network latency between cluster nodes should be around 10 ms or less.

Availability 247

Availability Hardware Latency Traffic 247

Dynatrace

MAY 17, 2023

Think about items such as general system metrics (for example, CPU utilization, free memory, number of services), the connectivity status, details of our web server, or even more granular in-application tasks like database queries. Let’s take our previous screenshot as an example.

Metrics 171

Metrics Monitoring Database Network 171

Dynatrace

SEPTEMBER 16, 2022

For example, is your application meeting business goals? For example, teams can further segment the telemetry data captured from a mobile app based on operating system, device, region, app version, and other custom metrics, to provide more granular insights on users and their behavior. Take banking for example.

Mobile 219

Mobile Metrics Monitoring Latency 219

The Netflix TechBlog

SEPTEMBER 24, 2021

As an example, cloud-based post-production editing and collaboration pipelines demand a complex set of functionalities, including the generation and hosting of high quality proxy content. The following table gives us an example of file sizes for 4K ProRes 422 HQ proxies.

Cloud 237

Cloud Media Storage Cache 237

Scalegrid

FEBRUARY 8, 2024

By implementing data replication strategies, distributed storage systems achieve greater. Durability Availability Fault tolerance These combined outcomes help minimize latency experienced by clients spread across different geographical regions.

Storage 130

Storage Systems Big Data Azure 130

Percona

MARCH 23, 2023

Nowadays, solid-state drives (SSDs) or non-volatile memory express (NVMe) drives are preferred over traditional hard disk drives (HDDs) for database servers due to their faster read and write speeds, lower latency, and improved reliability. Operating system Linux is the most common operating system for high-performance MySQL servers.

Performance 126

Performance Hardware Tuning Storage 126

Scalegrid

JANUARY 12, 2024

Various forms can take shape when discussing workloads within the realm of cloud computing environments – examples include order management databases, collaboration tools, videoconferencing systems, virtual desktops, and disaster recovery mechanisms. What is an example of a workload?

Cloud 130

Cloud Virtualization Storage Efficiency 130

Smashing Magazine

OCTOBER 31, 2023

For example, the data is pretty slow to update, refreshing every 28 days, meaning it is not the same as real-time monitoring. For example, we could add throttling to the test environment to enforce an artificial condition where the test opens the page on a slower connection. But it comes with caveats.

Speed 99

Speed Google Website Metrics 99

Percona

APRIL 17, 2023

In this blog post, we will discuss the best practices on the MongoDB ecosystem applied at the Operating System (OS) and MongoDB levels. Operating System (OS) settings Swappiness Swappiness is a Linux kernel setting that influences the behavior of the Virtual Memory manager when it needs to allocate a swap, ranging from 0-100.

Best Practices 52

Best Practices Design Tuning Database 52

Brendan Gregg

AUGUST 8, 2017

For example, an hourly load average of 10 would mean that (for a single CPU system) at any time during that hour one could expect to see 1 process running and 9 others ready to run (i.e., Nowadays, the source code to old operating systems can also be found online. not blocked for I/O) waiting for the CPU.

Latency 111

Latency Metrics C++ Systems 111

The Morning Paper

MAY 12, 2019

The paper examines the implications of microservices at the hardware, OS and networking stack, cluster management, and application framework levels, as well as the impact of tail latency. The top line shows the change in tail latency across a set of monolithic applications as operating frequency decreases. Hardware implications.

Open Source 61

Open Source Hardware Benchmarking Systems 61

All Things Distributed

MARCH 11, 2016

Failures are a given and everything will eventually fail over time: from routers to hard disks, from operating systems to memory units corrupting TCP packets, from transient errors to permanent failures. This lowered latency more than 2x and delivered more than 10x improvement in latency variability on the network.

AWS 144

AWS Hardware Retail Virtualization 144

Dotcom-Montior

NOVEMBER 24, 2021

Ok, so maybe that is an oversimplified example, but you get the point. Setting up and monitoring these systems was pretty easy compared to today’s standards. Today, there are a variety of architectures and systems in use. Blockchain is a good example of this. Awesome, everything is running as expected. Peer-to-Peer.

Systems 74

Systems Monitoring Hardware Network 74

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. This means that the overheads of system calls become much more noticeable. For example, a whole B-tree might be a single persistent object.

Hardware 56

Hardware Programming Media Storage 56

Testsigma

JULY 23, 2020

This is a standalone software program which doesn’t depend on any internet connectivity for its working and its performance is not impacted because of any network related latencies. Few examples of desktop applications are MS-Word, Adobe Acrobat Reader, and calculator etc. Check out how Testsigma performs automated web application.

Testing 63

Testing Internet Internet Latency 63

Adrian Cockcroft

NOVEMBER 18, 2019

AWS Developer Relations on how the shift from Robot Operating System (ROS) 1 to ROS 2 will change the landscape for all robot lovers. Brendan Gregg tours BPF tracing, with open source tools & examples for EC2 instance analysis.

Open Source 40

Open Source AWS Lambda Serverless 40

Adrian Cockcroft

NOVEMBER 18, 2019

AWS Developer Relations on how the shift from Robot Operating System (ROS) 1 to ROS 2 will change the landscape for all robot lovers. Brendan Gregg tours BPF tracing, with open source tools & examples for EC2 instance analysis.

Open Source 40

Open Source AWS Lambda Serverless 40

All Things Distributed

APRIL 9, 2015

With a few clicks in the AWS Management Console, customers can use Amazon EFS to create file systems that are accessible to EC2 instances and that support standard operating system APIs and file system semantics. Synchronous events operate with low latency so you can deliver dynamic, interactive experiences to your users.

Lambda 122

Lambda Cloud IoT AWS 122

The Morning Paper

MAY 21, 2019

If extra provisioned capacity was needed to offset a slowdown for example then this could easily offset all potential TCO savings. This boils down to a single digit µs latency toleration in the tail for far memory, and in addition to security and privacy concerns, rules out remote memory solutions.

Software 78

Software Software Google Hardware 78

SQL Server According to Bob

JANUARY 11, 2020

Subsystem / Path The ​​ I/O subsystem or path ​​ includes ​​ those ​​ components ​​ that are ​​ used to support an I/O operation. ​​ Checksum ​​ is ​​ the sum of the values.

Servers 40

Servers Cache Database Media 40

The Morning Paper

APRIL 14, 2019

A covert cache-based channel (for example) can be built by the sender modulating its footprint in the cache through its execution, and the receiver probing this footprint by systematically touching cache lines and measuring memory latency and by observing its own execution speed. Since it forces a write-back of all dirty lines).

Hardware 44

Hardware Cache Latency Speed 44

Adrian Cockcroft

NOVEMBER 11, 2019

Collecting some critical metrics at one second intervals, with a total observability latency of ten seconds or less matches the human attention span much better. Systems that have an identifiable capacity trend, for example are filling up disk space at a predictable rate, have a “time to live” (TTL) that can be calculated.

Latency 52

Latency Engineering Systems Hardware 52

SQL Server According to Bob

JANUARY 11, 2020

Many high-end disk subsystems provide high-speed cache facilities to reduce the latency of read and write operations. Most manufacturers' implementations immediately flush pending writes to physical disk during the restart operations. This cache is often supported by a battery-powered backup facility.

Servers 40

Servers Cache Media Hardware 40

Adrian Cockcroft

NOVEMBER 11, 2019

Collecting some critical metrics at one second intervals, with a total observability latency of ten seconds or less matches the human attention span much better. Systems that have an identifiable capacity trend, for example are filling up disk space at a predictable rate, have a “time to live” (TTL) that can be calculated.

Latency 53

Latency Engineering Systems Hardware 53

O'Reilly Software

APRIL 4, 2018

For example, we can combine a machine learning job for anomaly detection with a dashboard that summarizes the findings to facilitate further investigation. A message-oriented implementation requires an efficient messaging backbone that facilitates the exchange of data in a reliable and secure way with the lowest latency possible.

Architecture 80

Architecture Scalability Google Operating System 80

Percona

JULY 1, 2023

It efficiently manages read and write operations, optimizes data access, and minimizes contention, resulting in high throughput and low latency to ensure that applications perform at their best. Remember that certain MySQL features like the MyISAM storage engine are not available with Amazon Aurora.

AWS 52

AWS Database Serverless Storage 52

High Scalability

SEPTEMBER 14, 2018

And if you know anyone looking for a simple book that uses lots of pictures and lots of examples to explain the cloud, then please recommend my new book: Explain the Cloud Like I'm 10. Because of that big servers and other memory systems need to have another kind of memory in the hierarchy. Do you like this sort of Stuff?

Internet 30

Internet Internet Scalability Education 30

John McCalpin

JULY 23, 2018

When running a single user thread, you will often get the advertised single-core Turbo frequency, but if the operating system enables more cores to handle (even very short-lived) background processes, your frequency may drop unexpectedly. RDTSCP can still be executed later than expected, but not earlier.

Code 45

Code Programming Latency Testing 45

ScaleOut Software

MAY 15, 2014

For example, the IMDG must be able to efficiently create millions of objects in each server to make use of its huge storage capacity. Likewise, object access paths must be heavily multi-threaded and avoid lock contention to minimize access latency and maximize throughput.

Cache 40

Cache Servers Network Design 40