Scalegrid

JANUARY 25, 2024

Effective management of memory stores with policies like LRU/LFU proactive monitoring of the replication process and advanced metrics such as cache hit ratio and persistence indicators are crucial for ensuring data integrity and optimizing Redis’s performance. This plays a crucial role in supervising the replication process.

Metrics 130

Metrics Monitoring Latency Cache 130

Testsigma

JANUARY 30, 2021

About two decades ago, testing was only limited to the desktop. With the rapidly increasing use of smartphones and ease of access to the internet across the globe, testing has spread across vast platforms. The native and mobile web browser testing is being performed more and more compared to desktop testing.

Mobile 52

Mobile Testing Website Internet 52

Dotcom-Montior

NOVEMBER 27, 2018

You’ve likely uttered the phrases “test early and often” and “shift left,” but do you always remind yourself of the importance of that phrase from the end user’s perspective? LoadView – Best Practices and Process. Distribute user load by geographical testing locations, simulating your customer base.

Performance Testing 40

Performance Testing Strategy Testing Performance 40

The Morning Paper

OCTOBER 4, 2020

Coverage is assessed with a walk-test (4-5km/h) over all road segments on the campus, monitoring the physical-layer information from both 5G and 4G at each location. In a web browsing test, 5G only reduced page loading times (PLT) by about 5% compared to 4G. The authors tested a mobile UHD panoramic video telephony app.

Energy 130

Energy Latency Performance Network 130

HammerDB

OCTOBER 23, 2023

With a simple example such as this, it would not necessarily be expected for the additional network traffic to be significant between the 2 approaches. Stored Procedures and Client SQL comparison To test the stored procedures and client implementations, we ran both workloads against a system equipped with Intel Xeon 8280L.

Benchmarking 62

Benchmarking Database Network C++ 62

All Things Distributed

AUGUST 16, 2012

An apples to apples comparison of the costs associated with running various usage patterns on-premises and with AWS requires more than a simple comparison of hardware expense versus always-on utility pricing for compute and storage. Making predictions about web traffic is a very difficult endeavor. Total Cost of Ownership. t need them.

AWS 118

AWS Hardware Traffic Best Practices 118

Dotcom-Montior

JUNE 15, 2020

Essentially, all traffic between China and the rest of the world goes through a few national level and a handful of core level access points in different regions. The censorship and monitoring of internet have evolved from anti-virus-like and firewall software to hardware security patches for all devices that uses internet.

Monitoring 52

Monitoring Performance Artificial Intelligence Internet 52

CSS - Tricks

JULY 25, 2019

During performance tests, Lighthouse records many metrics focused on what a user sees and experiences. This process works by obtaining mobile 75th and 95th percentiles from HTTP Archive , then applying a log normal function. that allows for testing a minimum of two devices; a fast desktop and a low-mid range mobile phone.

Google 71

Google Engineering Speed Mobile 71

Percona

AUGUST 30, 2023

In general terms, here are potential trouble spots: Hardware failure: Manufacturing defects, wear and tear, physical damage, and other factors can cause hardware to fail. heat) can damage hardware components and prompt data loss. Human mistakes: Incorrect configuration is an all-too-common cause of hardware and software failure.

Database 91

Database Hardware Open Source Strategy 91

KeyCDN

SEPTEMBER 20, 2018

Error tracking is the process of proactively identifying issues and fixing them as quickly as possible. Monitoring errors on the front-end requires a bit more work because front-end performance is highly dependant on the user’s hardware, software and connection. Manual Testing 5.

Strategy 67

Strategy Monitoring Website Google 67

MachMetrics

JULY 27, 2018

If you run a private WebPageTest instance on Amazon EC2, one of the choices you’ll have to make is whether to use Linux or Windows test agents. But last week I switched over to Linux test agents, and I don’t think I’ll ever go back to Windows – here’s why: 1. Linux Agents are more consistent.

Speed 40

Speed Hardware Internet Internet 40

All Things Distributed

JUNE 28, 2017

At Amazon, we also require our systems and customer solutions to be anti-fragile, and we do that by designing our systems to stand the test of time. The body and hardware still reflect HARTING's standard of perfection. And this process begins as soon everything is working again for the client.

Innovation 113

Innovation Website Servers Technology 113

Scalegrid

FEBRUARY 8, 2024

Key Takeaways Distributed storage systems benefit organizations by enhancing data availability, fault tolerance, and system scalability, leading to cost savings from reduced hardware needs, energy consumption, and personnel. This process effectively duplicates essential parts of information to safeguard against potential loss.

Storage 130

Storage Systems Big Data Azure 130

All Things Distributed

APRIL 5, 2012

Large Seasonal Peaks – Our largest community supports TurboTax where the peak traffic during February or April is often 100s of times greater than a quiet day in June. Of course, with as much textual data as we have we are leveraging Lucene/SOLR (a NoSQL solution) for Search and Semantic processing. hands freeÃ?

Innovation 146

Innovation AWS Education Network 146

Percona

OCTOBER 18, 2023

It’s a complex process involving various factors and meticulous planning. Today, we’ll be taking a deep dive into the intricacies of database migration, along with specific solutions to help make the process easier. Evaluating your hardware requirements is another vital aspect of resource allocation.

Open Source 96

Open Source Database Hardware Strategy 96

Dynatrace

DECEMBER 16, 2021

It’s the same concept as Test Driven Development (TDD) where you start with tests that will fail until you finish implementing the code so tests will succeed. For availability, I always propose to use Dynatrace Synthetic vs looking at real user traffic.

DevOps 201

DevOps Social Media Mobile Metrics 201

Percona

FEBRUARY 24, 2023

Usage reduction is a continuous process. The reader instances also cost more than a standard setup, but you can use them for production to handle everyday database traffic. For example, if you need to upgrade a database with a large amount of data, this process could take hours, and your instance won’t be available during this time.

Cloud 122

Cloud Serverless AWS Storage 122

Percona

JUNE 22, 2023

Defining high availability In general terms, high availability refers to the continuous operation of a system with little to no interruption to end users in the event of hardware or software failures, power outages, or other disruptions. Load balancers can detect when a component is not responding and put traffic redirection in motion.

Availability 111

Availability Database Open Source Hardware 111

O'Reilly

SEPTEMBER 19, 2023

Doubly so as hardware improved, eating away at the lower end of Hadoop-worthy work. Google goes a step further in offering compute instances with its specialized TPU hardware. You can see a simulation as a temporary, synthetic environment in which to test an idea. Not that you’ll even need GPU access all that often.

Hardware 99

Hardware Storage Big Data Blockchain 99

Dynatrace

MAY 1, 2020

This is especially the case with microservices and applications created around multiple tiers, where cheaper hardware alternatives play a significant role in the infrastructure footprint. The initial release of OneAgent for the ARM platform with OneAgent version 1.191 is certified and tested to work on SUSE Enterprise Linux 15.x,

Java 132

Java Hardware Tuning Metrics 132

Percona

NOVEMBER 9, 2023

Applications can be horizontally scaled with Kubernetes by adding or deleting containers based on resource allocation and incoming traffic demands. It distributes the load among containers and nodes automatically, ensuring that your application can handle any spike in traffic without the need for manual intervention from an IT staff.

Efficiency 106

Efficiency Cloud Healthcare Open Source 106

Dotcom-Montior

MAY 12, 2020

Web monitoring is a comprehensive term that describes the activity of testing a website or web application for its availability and performance. HTTP monitoring allows you to test availability and performance from around the world. To overcome those intimidating errors, frequent automated and real-time tests should be made.

Monitoring 63

Monitoring Entertainment Hardware Latency 63

Percona

JUNE 12, 2023

Sure, you can get there with the right extensions and tools, but it can be a long, burdensome, and potentially expensive process. Load balancing : Traffic is distributed across multiple servers to prevent any one component from becoming overloaded. However, open source software doesn’t typically include built-in HA solutions.

Architecture 100

Architecture Availability Open Source Healthcare 100

Testsigma

MAY 19, 2021

A process that was developed to automate the processes from build creation to deployment and maybe everything in between. Cloud computing solutions work as a catalyst in this process due to the easily available high processing power of the cloud, resulting in faster deployments. Centralizes the Processes.

DevOps 59

DevOps Cloud Artificial Intelligence Infrastructure 59

Dotcom-Montior

JUNE 19, 2017

Let’s face it – the ideal load test emulates real world traffic, yet most load testing software doesn’t come close. Held back by budget and infrastructure restrictions, some organizations have been forced to settle for load tests that paint an incomplete picture. Setting Up the Test. Creating a Script.

Performance Testing 40

Performance Testing Testing Performance Virtualization 40

Percona

JULY 7, 2023

Also, in general terms, a high availability PostgreSQL solution must cover four key areas: Infrastructure: This is the physical or virtual hardware database systems rely on to run. Can you afford the necessary hardware, software, and operational costs of maintaining a PostgreSQL HA solution? there cannot be high availability.

Availability 85

Availability Open Source Architecture Database 85

Brendan Gregg

SEPTEMBER 25, 2021

What about short-lived processes, like a service restarting in a loop? Since instances of both CentOS and Ubuntu were running in parallel, I could collect flame graphs at the same time (same time-of-day traffic mix) and compare them side by side. This will slow this test a little.) These can be invisible to top(8).

Speed 126

Speed Java AWS Virtualization 126

All Things Distributed

MARCH 11, 2016

This is a given, whether you are using the highest quality hardware or lowest cost components. This becomes an even more important lesson at scale: for example, as S3 processes trillions and trillions of storage transactions, anything that has even the slightest probability of error will become realistic. Primitives not frameworks.

AWS 144

AWS Hardware Retail Virtualization 144

SQL Server According to Bob

DECEMBER 18, 2018

Testing shows that by using the Fua bit with the data, write request can reduce the I/O traffic by ~50% for a SQL Server, write-intensive workload. During my investigation, I traced, tested, reviewed, and instrumented the Linux kernel to understand the SQL Server I/O durability needs and associated impacts. 4 Socket, TPCC.

Servers 90

Servers Media Cache Storage 90

Smashing Magazine

MAY 20, 2020

Synthetic Tests. In this article, we will use synthetic tests and assume that our project uses GitLab with its built-in CI for project deployment. This saves clients traffic — sometimes traffic which the client is paying for. Use Of Multiple Processes. RUM (Real User Measurements). Let’s install it.

Performance 98

Performance Metrics Best Practices Code 98

Smashing Magazine

APRIL 19, 2021

This second metric measures the time between when the user interacts with a page, clicking on a link or a button for example, and when the browser processes that click. These tools run page loads on simulated networks and devices and then tell you what the metrics were for that test run. First Input Delay (FID).

Google 140

Google Metrics Mobile Analytics 140

The Morning Paper

JULY 4, 2019

The ‘controlled’ part is important here because given the scale and complexity of the environment under test, the only meaningful place to do this is in production with real users. a bug fix, configuration change, new feature, or A/B test). Netflix’s system is deployed on the public cloud as complex set of interacting microservices.

Latency 77

Latency Engineering Metrics Traffic 77

Brendan Gregg

SEPTEMBER 25, 2021

What about short-lived processes, like a service restarting in a loop? Since instances of both CentOS and Ubuntu were running in parallel, I could collect flame graphs at the same time (same time-of-day traffic mix) and compare them side by side. This will slow this test a little.) These can be invisible to top(8).

Speed 52

Speed Java AWS Virtualization 52

Adrian Cockcroft

NOVEMBER 11, 2019

Infrequent failures exercise poorly tested capabilities that tend to amplify problems in unexpected ways rather than mitigate them, so it’s important to carefully exercise the system to ensure that design controls are well tested and operating correctly. This discussion focuses on hardware, software and operational failure modes.

Latency 52

Latency Engineering Systems Hardware 52

Alex Russell

JULY 14, 2021

Meanwhile, on Android, the #2 and #3 sources of web traffic do not respect browser choice. Both pass all eighteen feature tests in Thomas Steiner's excellent ??? On Android today and early iOS versions, WebViews allow embedders to observe and modify all network traffic (regardless of encryption). PWA Feature Detector.

Google 121

Google Mobile Engineering Internet 121

Adrian Cockcroft

NOVEMBER 11, 2019

Infrequent failures exercise poorly tested capabilities that tend to amplify problems in unexpected ways rather than mitigate them, so it’s important to carefully exercise the system to ensure that design controls are well tested and operating correctly. This discussion focuses on hardware, software and operational failure modes.

Latency 53

Latency Engineering Systems Hardware 53

Dynatrace

NOVEMBER 20, 2019

The IBM Z platform is a range of mainframe hardware solutions that are quite frequently used in large computing shops. Typically, these shops run the z/OS operating system, but more recently, it’s not uncommon to see the Z hardware running special versions of Linux distributions. running on the 64-bit OS/390x platform.

Availability 31

Availability Hardware Java Tuning 31