Percona

AUGUST 8, 2023

Or worse yet, sometimes I get questions about regaining normal operations after a traffic increase caused performance destabilization. But we can discuss common bottlenecks, how to assess them, and have a better understanding as to why proactive monitoring is so important when it comes to responding to traffic growth.

Traffic 93

Traffic Cache Monitoring Database 93

Smashing Magazine

JULY 29, 2019

South Korea has the fastest mobile download speed , averaging 52.4 Mbps download and 0.7 The USA ranks 40th in the world for mobile download speeds, at around 34 Mbps, and is at risk of falling further behind as the world moves towards 5G. Mbps, but Iraq has the slowest, averaging 1.6 Mbps upload. The Experiment.

Cache 97

Cache Mobile Google Network 97

The Morning Paper

OCTOBER 4, 2020

On 4G the comparable daytime numbers were 130 Mbps download and 50 Mbps upload (4G does better at night when the network is less congested, with 200/100 upload/download Mbps). Emerging architectures that shorten the path length, e.g. edge caching and computing, may also confine the latency. Application performance.

Energy 130

Energy Latency Performance Network 130

Percona

JUNE 22, 2023

This includes metrics such as query execution time, the number of queries executed per second, and the utilization of query cache and adaptive hash index. query cache: Disable (query_cache_size: 0, query_cache_type:OFF) innodb_adaptive_hash_index: Check adaptive hash index usage to determine its efficiency.

Performance 109

Performance Monitoring Traffic Database 109

Smashing Magazine

AUGUST 3, 2023

It increases our visibility and enables us to draw a steady stream of organic (or “free”) traffic to our site. While paid marketing strategies like Google Ads play a part in our approach as well, enhancing our organic traffic remains a major priority. The higher our organic traffic, the more profitable we become as a company.

Performance 75

Performance Cache Traffic Metrics 75

Smashing Magazine

AUGUST 9, 2021

As a second example, TCP sees all of the data it transports as a single “file” or byte stream , even if we’re actually using it to transfer several files at the same time (for example, when downloading a web page consisting of many resources). In the early days of the Internet, encrypting traffic was quite costly in terms of processing.

Transportation 145

Transportation Internet Internet Network 145

Smashing Magazine

JUNE 1, 2022

They can also highlight very long redirection chains in your third-party traffic. You can adjust what browser is used, the kind of network connection to employ, the locations to test from, whether or not the browser’s cache is empty or full, how frequently to take the measurements, and more. Other blocking effects.

Website 133

Website Design Network Testing 133

The Morning Paper

SEPTEMBER 24, 2019

Using a purpose-built Google Play scraper the team downloaded 252,864 versions of 88,113 different Android apps. Network traffic is also monitored, included all TLS-secured traffic where the developers hadn’t used certificate pinning (i.e., This, of course, positions privacy as a luxury good… Finding apps that leak data.

Systems 74

Systems Traffic Network Google 74

Smashing Magazine

SEPTEMBER 6, 2021

This approach was touted to be better for fine-grained caching because each subresource could be cached individually and the full bundle didn’t need to be redownloaded if one of them changed. To be able to download multiple files on a single connection, you need to somehow multiplex them. Prioritization.

Network 108

Network Servers Cache Traffic 108

Alex Russell

MARCH 6, 2021

A then-representative $200USD device had 4-8 slow (in-order, low-cache) cores, ~2GiB of RAM, and relatively slow MLC NAND flash storage. The fastest Androids predictably remain 18-24 months behind, owing to cheapskate choices about cache sizing by Qualcomm, Samsung Semi, and all the rest. The Moto G4 , for example. Is that a lot?

Performance 127

Performance Network Metrics Cache 127

Adrian Cockcroft

JANUARY 29, 2023

There is no way to model how much more traffic you can send to that system before it exceeds it’s SLA. The code is written using the R statistics language and I downloaded a free copy of RStudio to run the examples below. > For high traffic systems, processing the individual response times for each request may be too much work.

Lambda 98

Lambda Latency Cache C++ 98

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. These updates will disable access of Google apps downloader, for example. This makes censorship of domestic traffic faster. . IP Blocking. DNS Hijacking and Phishing.

Monitoring 52

Monitoring Performance Artificial Intelligence Internet 52

Tim Kadlec

MARCH 14, 2019

Perhaps the most significant difference between the Lite pages announcement and Data Saver as we knew it is that Lite pages work over HTTPS traffic. Traditionally, these optimizations have only applied to HTTP traffic—something that has changed now with Lite pages. Data Saver was always HTTP only. Data Saver !==

Google 63

Google Traffic Cache Servers 63

Rigor

JULY 2, 2019

Because of the redirection, our total HTML request, download, and render time took an additional 156 ms – for a total of 521 ms. If your site requires external files, such as images and CSS, ensure that your HTML calls these resources directly and that there aren’t any redirects occurring to download these files.

Mobile 60

Mobile Traffic Google Latency 60

CSS - Tricks

JULY 25, 2019

Cache-Headers missing? It’s important to remember that the cost of JavaScript is not only the time it takes to download it. Service workers that will cache the bytecode result of a parsed and compiled script. After that, it’ll be mitigated by cache. What changed in PageSpeed 5.0? Monitoring Time to Interactive.

Google 72

Google Engineering Speed Mobile 72

Enprowess

MARCH 4, 2018

And whenever one server isn’t sufficient to serve the high traffic needs of your portal, you can scale your Liferay portal by adding additional servers. It is mainly required for parallel processing, fault tolerance and load balancing, high traffic on the application. Enable cluster link for cache replication.

Cache 40

Cache Transportation Media Traffic 40

Smashing Magazine

APRIL 11, 2022

Let’s focus on how these resources are requested and downloaded. The HTML document is the first resource to be requested and downloaded, but how do browsers determine what to download next and in which order? Browsers have a set of predetermined priorities for each resource type, so they can be downloaded in an optimal order.

Media 71

Media Tuning Metrics Google 71

SQL Server According to Bob

FEBRUARY 5, 2018

FILE cache type was the default leading to incorrect principal errors. The klist utility is helpful to show things like the currently cached Kerberos information. Ticket cache: KEYRING:persistent:0:0. Kerberos Cache = KEYRING. Make sure your Kerberos cache is KEYRING (DIR works as well) and not FILE or MEMORY.

Servers 40

Servers Code Cache Traffic 40

John McCalpin

APRIL 2, 2020

All of the SPECfp_rate2000 results were downloaded from www.spec.org, the results were sorted by processor type, and “peak floating-point operations per cycle” was manually added for each processor type. This data is from the 2007 presentation.

Benchmarking 59

Benchmarking Performance Latency Architecture 59

Percona

SEPTEMBER 1, 2023

Download the eBook now What are the Common Performance Issues in MySQL Databases? Efficient memory management, including optimizing query caches and buffer pools, can help strike the right balance between memory consumption and query response times. Another highly beneficial caching method is key-value caching.

Tuning 52

Tuning Database Performance Hardware 52

Alex Russell

OCTOBER 22, 2017

Script execution delays interactivity in a few ways: If the script executes for more than 50ms, time-to-interactive is delayed by the entire amount of time it takes to download, compile, and execute the JS. of download and eval by limiting ourselves to 130KB of JS transferred on the wire. I suggest we should be conservative.

Performance 74

Performance Network Benchmarking Mobile 74

Percona

APRIL 17, 2023

Make sure the drives are mounted with noatime and also if the drives are behind a RAID controller with appropriate battery-backed cache. This allows MongoDB to scale horizontally, handling large datasets and high traffic loads. Download today. Furthermore, proper mount options can improve performance noticeably.

Best Practices 52

Best Practices Design Tuning Database 52

Enprowess

MAY 24, 2022

Reactjs has the capability of server-side rendering, which offers a power boost to the SEO of a web page or an application and helps in fetching more organic traffic. When a web crawler visits a server that has already rendered the content and pictures, indexing and caching of the content becomes quicker. Overhead Costs & Time.

Mobile 52

Mobile Open Source Virtualization Speed 52

Tim Kadlec

OCTOBER 17, 2010

This boost in performance increased their download conversions by 15.4%. Based on their daily traffic, they estimated that this increase translated to an astonishing 10.28 million additional downloads per year. The Expires header is used by the server to tell the browser how long a component can be cached for. Conclusion.

Performance 40

Performance Energy Google Internet 40

Percona

MAY 2, 2023

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. Especially if going into or out of storage types that may throttle bandwidth/network traffic.

Best Practices 52

Best Practices Database Storage Servers 52

Smashing Magazine

AUGUST 30, 2021

Also, the management will be dissatisfied with the decreased traffic and revenue caused by the unoptimized codebase, despite the code quality improvements. We know that it shouldn’t be referenced in the HTML head element when the page HTML is first downloaded. Caching Stylesheets. Deferring Stylesheets.

Media 112

Media Performance Cache Strategy 112

Smashing Magazine

JUNE 8, 2021

Image optimization , loading behavior and rendering in the browser require understanding of image formats and image compression techniques, image decoding and browser rendering, image CDNs and adaptive media loading, not to mention effective caching and preloading. Jump to the details ↓ Download a free PDF sample (12MB).

Media 109

Media Cache Google Best Practices 109

SQL Server According to Bob

DECEMBER 18, 2018

Device level flushing may have an impact on your I/O caching, read ahead or other behaviors of the storage system. 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. Linux open command flag used to bypass file system cache.

Servers 90

Servers Media Cache Storage 90

Smashing Magazine

AUGUST 22, 2021

This in turn affects how fast a page’s resources can be downloaded. This means that it will not magically download your website resources much more quickly than TCP. We illustrated this with a client moving from a Wi-Fi network to 4G while doing a large file download. Did You Know? More in-depth information is available.

Performance 107

Performance Network Latency Servers 107

Smashing Magazine

MARCH 19, 2021

Gael Metais suggested to more aggressively subset web fonts and look into caching issues with our AVIF files. If a browser doesn’t support AVIF, it gets a JPEG file (properly cached), The content negotiation happens via <picture> + srcset in the browser. With over 56k downloads (just over a thousand per week, and growing!),

Mobile 141

Mobile Design Cache Code 141

Smashing Magazine

APRIL 28, 2021

Image optimization , loading behavior and rendering in the browser require understanding of image formats and image compression techniques, image decoding and browser rendering, image CDNs and adaptive media loading, not to mention effective caching and preloading. Jump to the details ↓ Download a free PDF sample (12MB).

Media 94

Media Cache Google Best Practices 94

IO River

NOVEMBER 2, 2023

What Comprises Video Streaming - Traffic CharacteristicsWith the emphasis on a high-quality streaming experience, the optimization starts from the very core. Fundamentally, internet traffic can be broadly categorized into static and dynamic content. Given its unchanging nature, static content is ideal for caching.

Architecture 52

Architecture Performance Internet Internet 52

IO River

NOVEMBER 2, 2023

‍What Comprises Video Streaming - Traffic CharacteristicsWith the emphasis on a high-quality streaming experience, the optimization starts from the very core. Fundamentally, internet traffic can be broadly categorized into static and dynamic content. Let’s analyze how you can achieve this win-win as effectively as possible!‍What

Architecture 52

Architecture Performance Internet Internet 52

Dotcom-Montior

JUNE 30, 2020

The entry/exit communication traffic can be overwhelmed by limited international bandwidth and huge user number. Response Time: response to download is slow. Luckily, the time was shortened to within five seconds when accessing in a cached mode. Response Time: response to download is slow. Main Performance Issues.

Website 52

Website Monitoring Website Performance Performance 52

Dotcom-Montior

JULY 7, 2020

The entry/exit communication traffic can be overwhelmed by limited international bandwidth and huge user number. Response Time: response to download is slow. Luckily, the time was shortened to within five seconds when accessing in a cached mode. Response Time: response to download is slow. Main Performance Issues.

Website 52

Website Monitoring Website Performance Performance 52

Dotcom-Montior

JUNE 30, 2021

The entry/exit communication traffic can be overwhelmed by limited international bandwidth and huge user number. Response Time: response to download is slow. Luckily, the time was shortened to within five seconds when accessing in a cached mode. Response Time: response to download is slow. Main Performance Issues.

Website 52

Website Monitoring Website Performance Performance 52

Smashing Magazine

JANUARY 6, 2020

Download The Checklist (PDF, Apple Pages, MS Word). You can also just download the checklist PDF (166 KB) or download editable Apple Pages file (275 KB) or the.docx file (151 KB). For Mac OS, we can use Network Link Conditioner , for Windows Windows Traffic Shaper , for Linux netem , and for FreeBSD dummynet. Quick Wins.

Performance 112

Performance Cache Network Servers 112