Percona

JUNE 22, 2023

Database uptime and availability Monitoring database uptime and availability is crucial as it directly impacts the availability of critical data and the performance of applications or websites that rely on the MySQL database. Download Percona Monitoring and Management Today

Performance 106

Performance Monitoring Traffic Database 106

CSS Wizardry

OCTOBER 16, 2023

Compressing them over the network: Which compression algorithm, if any, will we use? What is the availability, configurability, and efficacy of each? ?️ This gave rise to heavy bundling and concatenation—why download three CSS files (half of our budget) if we could compress them into one? That’s almost 22× more! It gets worse.

Cache 291

Cache Latency Strategy Speed 291

The Morning Paper

OCTOBER 11, 2020

Last time out we looked at the real-world deployment of 5G networks and noted the affinity between 5G and edge computing. The CubeSat form-factor limits what can be packed into the device and how much power is available. This results in peak available power of about 7.1W.

Systems 125

Systems Latency Architecture Energy 125

Adrian Cockcroft

JANUARY 29, 2023

The mean and percentile measurements hide this structure, but the rest of this post will show how the structure can be measured and analyzed so that you can figure out a useful model of your system, understand what is driving the long tail of latencies and come up with better SLAs and measures of capacity.

Lambda 98

Lambda Latency Cache C++ 98

Scalegrid

JUNE 18, 2019

The connection options available for the driver are documented here , and the options we will need are: :ssl. First, find and copy your MongoDB connection string from the cluster details page on the ScaleGrid console: The CA certificate file is also available for download from the cluster details page. ssl_verify. ssl_ca_cert.

C++ 100

C++ Servers Database Network 100

Particular Software

JUNE 3, 2019

Everyone who is old enough to remember the sound of connecting to the Internet with a dial-up modem or of AOL announcing that "You've got mail" is acutely aware that there is an upper limit to how fast something can be downloaded, and it never seems to be as fast as we would like it. The big challenge is that we must strike a balance.

Latency 40

Latency Speed Network Strategy 40

Smashing Magazine

AUGUST 3, 2021

Lots can go wrong: a network request fails, a third-party library breaks, a JavaScript feature is unsupported (assuming JavaScript is even available), a CDN goes down, a user behaves unexpectedly (they double-click a submit button), the list goes on. Both examples check something is available before using it. Callum Hart.

Network 145

Network Engineering Availability Monitoring 145

O'Reilly

DECEMBER 2, 2019

The most obvious change 5G might bring about isn’t to cell phones but to local networks, whether at home or in the office. High-speed networks through 5G may represent the next generation of cord cutting. Anyone who has ever built a Docker container has experienced “now we wait for some giant things to download and be uncompressed.”

Wireless 53

Wireless Serverless IoT Artificial Intelligence 53

Testsigma

JANUARY 30, 2021

Applications that do not require to be downloaded and can be accessed via hitting the URL on a mobile browser are known as mobile web applications. The applications which are required to be downloaded on your smartphone before you start using them are known as Native applications. What are Mobile Web Applications?

Mobile 52

Mobile Testing Website Internet 52

KeyCDN

SEPTEMBER 12, 2019

An easy way to compress images is with our image processing service that happens to also be fully integrated into our existing network. The PHP library for the API is available on GitHub. We ran some image CDN tests and the results were that the total download times on our image assets with a CDN enabled decreased by 65% on average!

Social Media 106

Social Media Media Google Website 106

SQL Performance

SEPTEMBER 17, 2019

For years SSRS was bundled with the installation of SQL Server, which helped add to some of the confusion around licensing and support for the product, so beginning with SSRS 2017, the installation package for Reporting Services is a separate download. Disk latency for ReportServer and ReportServerTempDB are very important.

Tuning 67

Tuning Servers Database Best Practices 67

Percona

JULY 20, 2023

We often forget or take for granted the network hops involved and the additional overhead it creates on the overall performance. TCP/IP connection, triggered me to write about other aspects of network impact on performance. How to detect and measure the impact There is no easy mechanism for measuring the impact of network overhead.

Network 64

Network Performance Latency Servers 64

Percona

MARCH 29, 2023

In this blog, we will discuss both data and network-level compression offered in MongoDB. We will discuss snappy and zstd for data block and zstd compression in a network. By default, MongoDB provides a snappy block compression method for storage and network communication. I am using PSMDB 6.0.4

Storage 110

Storage Network Open Source Latency 110

Percona

APRIL 13, 2023

In PostgreSQL, replication lag can occur due to various reasons such as network latency, slow disk I/O, long-running transactions, etc. Replication lag can have serious consequences in high-availability systems where standby databases are used for failover. Download Percona Distribution for PostgreSQL Today!

Latency 83

Latency Tuning Open Source Network 83

CSS - Tricks

APRIL 1, 2021

seconds faster on average and it drove 60 million more Firefox downloads per year. The code for the site is available on GitHub for reference. Redirects are often pretty light in terms of the latency that they add to a website, but they are an easy first thing to check, and they can generally be removed with little effort.

Cache 92

Cache Social Media Media Network 92

CSS Wizardry

MARCH 3, 2019

The best request is the one that never happens: in the fight for fast websites, avoiding the network is far better than hitting the network at all. Any asset that carries the no-store directive will always hit the network, no matter what. If there is a newer file available on the server, we definitely want to download it.

Cache 264

Cache Latency Strategy Servers 264

Smashing Magazine

AUGUST 3, 2023

You need to beware that slow server response times can significantly increase TTFB, often due to server overload, network issues, or un-optimized logic on the server side. Download Time of HTML This is the time it takes to download the page’s HTML file. Adding to this complexity is the effect of seasonality.

Performance 74

Performance Cache Traffic Metrics 74

Dynatrace

SEPTEMBER 25, 2019

Therefore, it requires multidimensional and multidisciplinary monitoring: Infrastructure health —automatically monitor the compute, storage, and network resources available to the Citrix system to ensure a stable platform. Synthetic monitoring: Citrix login availability and performance. OneAgent: SAP infrastructure performance.

Latency 118

Latency Performance Virtualization Infrastructure 118

The Netflix TechBlog

FEBRUARY 20, 2019

by Jason Koch , with Martin Spier , Brendan Gregg , Ed Hunter Improving the tools available to our engineers to help them diagnose, triage, and work through software performance challenges in the cloud is a key goal for the cloud performance engineering team at Netflix. 10–20 MB/sec (it is, unsurprisingly, receiving lots of data).

Performance 211

Performance Latency Open Source Metrics 211

IO River

NOVEMBER 2, 2023

This is where a well-architected Content Delivery Network (CDN) shines. Â The goal is to boost the pitfalls of network disruptions and vendor dependencies, all while pocketing cost savings. Instead, the player downloads and stores small segments of the video, playing one while simultaneously downloading subsequent parts.Â

Architecture 52

Architecture Performance Internet Internet 52

IO River

NOVEMBER 2, 2023

This is where a well-architected Content Delivery Network (CDN) shines. The goal is to boost the pitfalls of network disruptions and vendor dependencies, all while pocketing cost savings. Instead, the player downloads and stores small segments of the video, playing one while simultaneously downloading subsequent parts.

Architecture 52

Architecture Performance Internet Internet 52

Smashing Magazine

AUGUST 22, 2021

As we will see, QUIC and HTTP/3 indeed have great web performance potential, but mainly for users on slow networks. If your average visitor is on a fast cabled or cellular network, they probably won’t benefit from the new protocols all that much. Two-way latency is often called round-trip time (RTT). Congestion Control.

Performance 106

Performance Network Latency Servers 106

Alex Russell

JANUARY 30, 2024

It's time once again to update our priors regarding the global device and network situation. This split decision was available via last year's update , but was somewhat buried. seconds on the target device and network profile, consuming 120KiB of critical path resources to become interactive, only 8KiB of which is script.

Performance 90

Performance Network Mobile Speed 90

The Netflix TechBlog

APRIL 26, 2022

These facts are managed and made available by services like viewing history or video metadata services outside of Axion. The first version of our logger library optimized for storage by deduplicating facts and optimized for network i/o using different compression methods for each fact. Pay the storage, network, and compute cost.

Storage 187

Storage Design Scalability Latency 187

Smashing Magazine

MAY 16, 2022

This header can be set on the response of any network resource, such as XHR, fetch, images, HTML, stylesheets, etc. These subtypes are currently the only subtypes related to network requests and thus exposing the Server-Timing information. Setting Server-Timing. For Images, Stylesheets, JS files, the HTML Doc, etc.

Servers 93

Servers Monitoring Cache Network 93

Alex Russell

APRIL 29, 2021

This post mines publicly available data on the pace of compatibility fixes and feature additions to assess the claim. The information it captures is, however, available going back somewhat further, providing a fuller picture of the trend lines of engine completeness. Count of APIs available from JavaScript by Web Confluence.

Media 145

Media Games Education Engineering 145

Smashing Magazine

AUGUST 9, 2021

You’ve probably heard things like: “HTTP/3 is much faster than HTTP/2 when there is packet loss”, or “HTTP/3 connections have less latency and take less time to set up”, and probably “HTTP/3 can send data more quickly and can send more resources in parallel”. and lower), this typically takes two network round trips.

Transportation 145

Transportation Internet Internet Network 145

Percona

APRIL 17, 2023

Note that the intent of tuning the settings is not exclusively about improving performance but also enhancing the high availability and resilience of the MongoDB database. There is an issue with this, which causes the OS to swap even with memory available. The CFQ works well for many general use cases but lacks latency guarantees.

Best Practices 52

Best Practices Design Tuning Database 52

All Things Distributed

MAY 13, 2012

With just one click you can enable content to be distributed to the customer with low latency and high-reliability. The first set of features that CloudFront is launching today include: Multiple Origin Servers: the ability to specify multiple origin servers, including a default origin, for a CloudFront download distribution.

Cache 117

Cache Latency AWS Website 117

The Netflix TechBlog

JANUARY 24, 2022

Technically, “performance” metrics are those relating to the responsiveness or latency of the app, including start up time. so are power levels and network bandwidth. For example they could be used to identify inflection points in system reliability, customer satisfaction, product usage, download volume or revenue.

Performance 199

Performance Metrics Performance Testing Testing 199

Smashing Magazine

MARCH 25, 2021

A performance budget as a mechanism for planning a web experience and preventing performance decay might consist of the following yardsticks: Overall page weight, Total number of HTTP requests, Page-load time on a particular mobile network, First Input Delay (FID). There are also other options available. Deliver through multiple CDNs.

Media 118

Media Performance Mobile Latency 118

Percona

MAY 2, 2023

Hence, the node would still be available for other operations. Cons of logical backups As it reads all data, it can be slow and will require disk reads too for databases that are larger than the RAM available for the WT cache—the WT cache pressure increases, which slows down the performance. Records backup progress logging.

Best Practices 52

Best Practices Database Storage Servers 52

Smashing Magazine

SEPTEMBER 6, 2021

Next, we’ll look at how to set up servers and clients (that’s the hard part unless you’re using a content delivery network (CDN)). Using just a few (but still more than one), however, could nicely balance congestion growth with better performance, especially on high-speed networks. Prioritization.

Network 105

Network Servers Cache Traffic 105

Alex Russell

MARCH 6, 2021

Thanks to progress in networks and browsers (but not devices), a more generous global budget cap has emerged for sites constructed the "modern" way: ~100KiB of HTML/CSS/fonts and ~300-350KiB of JS (compressed) is the new rule-of-thumb limit for at least the next year or two. Modern network performance and availability.

Performance 124

Performance Network Cache Metrics 124

Alex Russell

JULY 14, 2021

Because they lean on the system-provided WebView component, they do not need to pay the expense of a heavier app download to support rendering HTML, running JavaScript, decoding images, or loading network resources. No documentation is available for third-party web developers from any of the largest WebView IAB (ab)users.

Google 121

Google Mobile Engineering Internet 121

Alex Russell

OCTOBER 22, 2017

We constrain ourselves to a real-world baseline device + network configuration to measure progress. Budgets are scaled to a benchmark network & device. Any DOM or UI created in JS is not available for use until the script runs. The median user is on a slow network. Global Ground-Truth. Where to start?

Performance 68

Performance Benchmarking Network Mobile 68

KeyCDN

JULY 11, 2019

Using an image CDN, such as KeyCDN, can significantly reduce the latency of your image delivery. This is crucial due to mobile devices requiring additional optimizations because they typically have less powerful hardware and a slower network connection when compared to desktop devices. Mbps ( Opensignal ).

Speed 52

Speed Website Mobile Latency 52