Brendan Gregg

APRIL 14, 2022

The Netflix stack is more diverse than I was expecting, and is explained in detail in the [Netflix tech blog]: The production cloud is AWS EC2, Ubuntu Linux, Intel x86, mostly Java with some Node.js (and other languages), microservices, Cassandra (storage), EVCache (caching), Spinnaker (deployment), Titus (containers), Apache Spark (analytics), Atlas (..)

Java 145

Java Cloud Cache AWS 145

KeyCDN

JANUARY 25, 2023

The total population of Ireland as of January 2022 was 5 million, with approximately 2 million residents in the greater Dublin area. The total population of Peru in 2022 was about 33.5 With a dedicated POP, latency for visitors is reduced even further, resulting in better loading times. Lima - Peru Lima is our 6th POP in Latin America.

Latency 60

Latency Tuning Cache Speed 60

KeyCDN

NOVEMBER 29, 2022

POP in Bogotá - Colombia Bogotá is experiencing rapid growth, and in 2022 the population of Colombia's capital climbed to 7.9 The new POPs are enabled for all existing zones. Our mission is to improve web performance continuously, and each POP contributes to that.

Latency 60

Latency Tuning Cache Traffic 60

Smashing Magazine

NOVEMBER 8, 2021

On top of this foundation, we add layers of caching, prerendering and edge delivery optimizations — not the other way around. Hydrogen fuels dynamic commerce by uniting React Server Components, streaming server-side rendering, and smart caching controls. Stay tuned for more in 2022! Large preview ).

Cache 135

Cache Best Practices Strategy Servers 135

Percona

MARCH 17, 2023

2022 was an exciting year for Percona Monitoring and Management (PMM). VictoriaMetrics maintains an in-memory cache for mapping active time series into internal series IDs. We’ve added and improved many features, including Alerting and Backup Management. The CPU usage averaged 24% utilization, as you can see in the above picture.

Monitoring 103

Monitoring Scalability Cache Database 103

CSS Wizardry

SEPTEMBER 28, 2023

The median image-weight per page landed at 881KB in 2022 , which is more than HTML, CSS, JS, and fonts combined! View full size) And from a cold cache, over train wifi as I was writing this post, I got a 2.1s At the time of writing, 99.9% of pages on the web include at least one image. I managed to get my LQIP–LCP down to just 1.1s

Games 275

Games Ecommerce Cache Systems 275

Percona

DECEMBER 19, 2022

Client-side caching minimizes potential for metrics loss. This upgrade addresses several critical and moderate vulnerabilities, including CVE-2022-39328, CVE-2022-39307, and CVE-2022-39306. Tab completion for the pmm-admin CLI command, which makes it easier to use the command line interface to manage PMM. In PMM 2.33.0,

Metrics 52

Metrics Monitoring Servers Open Source 52

Sutter's Mill

SEPTEMBER 28, 2023

Since the 2022-12-31 year-end mini-update and the 2023-04-30 spring update , progress has continued on cppfront. (If If you don’t know what this personal project is, please see the CppCon 2022 talk on YouTube for an overview, and the CppNow 2023 talk on YouTube for an interim update.) I hope to see many of you there!

C++ 89

C++ Cache Code Design 89

SQL Performance

SEPTEMBER 21, 2022

Examples include the following: The set_options and required_cursor_options cached plan attributes, which you obtain using the sys.dm_exec_plan_attributes DMF. Prior to SQL Server 2022, T-SQL had minimal support for bit manipulation. Instead, starting with SQL Server 2022 you simply use the SET_BIT function. Counting Bits.

Servers 122

Servers C++ Code Cache 122

Randon ASCII

JULY 11, 2022

Downloads go through the cache, the cache is saved to disk, and saves to disk are slowed by (some) anti-virus software. But actually, the zeroing is initially done to the cache, so zeroing 4 KiB of memory could take just a dozen or so ns. It looks like this can happen. Case closed. But I noticed something….

Cache 105

Cache Energy Google Processing 105

Tim Kadlec

JUNE 21, 2022

HTTP/3 work started in 2012 with Google working on QUIC, adopted by IETF in 2017, RFC’s published in June 2022. The browser stores alt-svc info in alt-svc cache. At #SmashingConf San Francisco , Robin Marx gave a presentation about HTTP/3. Here are my notes. All major browsers support thanks to iOS starting with version 16.

Network 64

Network Mobile Google Cache 64

Dotcom-Montior

MARCH 27, 2022

If the DNS caches are manipulated to contain wrong IP addresses, it’s called DNS poisoning. Even if you try to access the website by directly using the correct IP address of a website, if that IP is blocked by using this technique, you won’t be able to access it (especially in 2022). Blocking IP Access. URLs Analysis and Filtering.

Website 82

Website Internet Internet Performance 82

Percona

JUNE 15, 2023

Refresh the local cache to update the package information $ sudo apt update Hit:1 [link] bullseye-security InRelease Hit:2 [link] bullseye InRelease 1.5 20 Percona Server (GPL), Release '20', Revision 'fd4b5a776a6' Copyright (c) 2009-2022 Percona LLC and/or its affiliates Copyright (c) 2000, 2022, Oracle and/or its affiliates.

Servers 85

Servers C++ Database Systems 85

Smashing Magazine

APRIL 11, 2022

2022-04-11T09:30:00+00:00. 2022-04-11T11:07:11+00:00. We can use the preload attribute for the HTML link element to optimize loading performance by ensuring that the browser discovers the resource earlier, downloads it, and caches it. How To Boost Resource Loading With The New Priority Hint `fetchpriority`. Adrian Bece.

Media 69

Media Tuning Metrics Google 69

Smashing Magazine

JULY 18, 2022

2022-07-18T11:00:00+00:00. 2022-07-18T18:32:57+00:00. The “stale-while-revalidate” cache control strategy can reduce the TTFB issue by serving a cached version of the page until it’s updated. Shipping starts early January 2022. Treat Your Users Right With Http Cache And Segmented Rendering ,” Eric Burel.

Cache 114

Cache Website Energy Servers 114

Brendan Gregg

MARCH 16, 2024

Only in extreme circumstances does the cost (in processor time and I-cache footprint) translate to a tangible benefit - circumstances which usually resort to hand-coded assembly anyway. It shouldn't be 10%, unless it's cache effects. And for leaf routines (which never establish a frame), this is a non-issue. Back-end servers.

Java 145

Java Cache Google Hardware 145

The Netflix TechBlog

JUNE 14, 2023

By Jennifer Shin , Tejas Shikhare , Will Emmanuel In 2022, a major change was made to Netflix’s iOS and Android applications. And we definitely couldn’t replay test non-functional requirements like caching and logging user interaction. Until recently, an internal API framework, Falcor , powered our mobile apps.

Traffic 353

Traffic Latency Cache Metrics 353

Smashing Magazine

MAY 25, 2022

2022-05-25T09:30:00+00:00. 2022-05-25T14:33:15+00:00. WeakMap can be used in two areas of web development: caching and additional data storage. The result from a function can be cached so that whenever the function is called, the cached result can be reused. Understanding Weak Reference In JavaScript. Frank Joseph.

Cache 116

Cache Programming Storage Code 116

Enprowess

JANUARY 12, 2022

The Top web development trends in 2022. Let’s dive deep into the top website development trends to expect in 2022. To make it easier for you, in this blog, we will discuss the latest web development trends that will evolve in 2022. List of Top Web Development Trends to Track in 2022. Single Page Applications (SPAs).

Blockchain 59

Blockchain IoT Development Serverless 59

Percona

MARCH 28, 2023

The same data, in the form of pages inside the Wiredtiger cache, are also marked dirty. At every checkpoint interval (Default 60 seconds), MongoDB flushes the modified pages that are marked as dirty in the cache to their respective data files (both collection-*.wt This happens at every journalCommitIntervalMs. wt and index-*.wt).

Hardware 91

Hardware C++ Storage Cache 91

Enprowess

MARCH 10, 2022

According to Statista, Angular and React will be the two most popular front-end frameworks among developers worldwide in 2022. It depends on you how skillfully you utilize the combination of JSON and client-side caching to boost the server-side performance. The post Angular vs React: What to choose for web development in 2022?

Development 52

Development Google Open Source Servers 52

Smashing Magazine

NOVEMBER 17, 2022

2022-11-17T10:00:00+00:00. 2022-11-17T14:33:01+00:00. Generated by Can I Use at 20th October 2022) ( Large preview ). Generated by Can I Use at 20th October 2022) ( Large preview ). Can I use results for the <source> width attribute at 20th October 2022. Cache Your Images. Alba Silvente.

Media 105

Media Cache Website Mobile 105

Smashing Magazine

MAY 12, 2022

2022-05-12T09:30:00+00:00. 2022-05-12T10:16:36+00:00. _developit) February 11, 2022. I assume that caching, both in the browser and CDNs, contributes to this as well. How To Use Google CrUX To Analyze And Compare The Performance Of JS Frameworks. Dan Shappir. — Jason Miller ???

Google 127

Google Performance Website Mobile 127

Smashing Magazine

MAY 16, 2022

2022-05-16T10:00:00+00:00. 2022-05-16T14:04:13+00:00. Examples of this might be, expecting that the HTML is fully static, such that we can cache it downstream in some deterministic manner — “partially dynamic” HTML bodies are much more likely to be handled incorrectly by caching logic. Sean Roberts.

Servers 92

Servers Monitoring Cache Network 92

Smashing Magazine

APRIL 29, 2022

2022-04-29T10:30:00+00:00. 2022-04-29T13:05:53+00:00. Shipping starts early January 2022. How Partytown Eliminates Website Bloat From Third-Party Apps. How Partytown Eliminates Website Bloat From Third-Party Apps. Steve Sewell. Great user experience starts with a page that loads instantly. Jump to table of contents ?.

Website 80

Website Google Open Source Mobile 80

Smashing Magazine

JUNE 9, 2022

2022-06-09T09:00:00+00:00. 2022-06-09T09:04:03+00:00. As a result, users can enjoy more capable and feature-rich applications that remain performant through techniques like code-splitting, caching, prefetching, and other resource optimization techniques — with some applications that are even able to work offline.

Code 109

Code Processing Cache Development 109

SQL Performance

JUNE 8, 2022

The text will normalize to the same parameterized form , allowing a cached prepared plan to be matched and reused. Let’s look at the plan cache: SELECT. The normalized and parameterized form is used in cache lookups so the prepared plan is successfully found and reused. Let’s look at an example. [ Id ] ; GO. Id asc ; GO.

Cache 54

Cache Servers Database Processing 54

Smashing Magazine

MARCH 7, 2022

2022-03-07T10:30:00+00:00. 2022-03-07T15:33:30+00:00. Signals For Customizing Website User Experience. Signals For Customizing Website User Experience. Barry Pollard. In my last article , I suggested using the SaveData API to deliver a different, more performant, experience to users that expressed that desire.

Website 103

Website Media Mobile Network 103

Percona

MARCH 27, 2023

This release adds the GCache encryption and Write-Set cache encryption feature in tech preview , along with improvements and bug fixes introduced by Oracle for MySQL 8.0.31. This release is focused on the Percona XtraDB Cluster-based deployment variation. Download Percona Distribution for MySQL (PXC-based variant) 8.0.31 was released.

Open Source 79

Open Source Servers Scalability Cache 79

Smashing Magazine

FEBRUARY 3, 2022

2022-02-03T12:00:00+00:00. 2022-02-03T19:04:24+00:00. These numbers are based on first-page load — caching seems very efficient for subsequent page loads. Reducing The Web’s Carbon Footprint: Optimizing Social Media Embeds. Reducing The Web’s Carbon Footprint: Optimizing Social Media Embeds. Michelle Barker. Two embeds.

Social Media 101

Social Media Media Website Airlines 101

Smashing Magazine

JUNE 1, 2022

2022-06-01T10:00:00+00:00. 2022-06-01T15:03:56+00:00. 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. Don’t Sink Your Website With Third Parties. Ken Harker.

Website 131

Website Design Network Best Practices 131

Alex Russell

DECEMBER 18, 2022

Per the 2022 Web Almanac , which pulls data from real-world devices via the CrUX dataset , today's web offers poor performance for most users. These devices feature: Eight slow, big.LITTLE ARM cores (A75+A55, or A73+A53) built on last-generation processes with very little cache. 4GiB of RAM. Qualcomm has some 'splainin to do.

Performance 113

Performance Network Mobile Latency 113

Adrian Cockcroft

JANUARY 20, 2023

spec was released in mid-2022. CXL is a memory protocol, as shown in the third block in my diagram from 2003, and provides cache coherent latency around 200ns, and up to 2 meters maximum distance. It’s not a cache coherent memory protocol like CXL, and it’s optimized to run over a shorter distance, mostly within a single chassis.

Architecture 52

Architecture Latency Benchmarking AWS 52

HammerDB

JULY 5, 2022

buff/cache MiB Swap: 2048.0 buff/cache MiB Swap: 2048.0 hammerdbcli auto pgtime.tcl HammerDB CLI v4.4 0 PostgreSQL tpm Vuser 1:Timing test period of 2 in minutes Vuser 2:RUNNING Vuser 2:Processing 1 transactions with output suppressed. Tasks: 1144 total, 9 running, 1135 sleeping, 0 stopped, 0 zombie %Cpu(s): 5.8 st MiB Mem : 772719.8

Benchmarking 98

Benchmarking Database C++ Virtualization 98

Percona

JUNE 22, 2023

More specifically, a 2022 ITIC survey found that downtime costs more than $300,000 per hour for 91% of small-, mid-size, and large enterprises. Each node has its own cache buffer.) In general terms, again, when it comes to database reliability, the stakes are high.

Availability 111

Availability Database Open Source Hardware 111

Smashing Magazine

AUGUST 9, 2022

2022-08-09T14:00:00+00:00. 2022-08-09T15:02:58+00:00. It also lists cached resources and identifies unused Javascript. Core Web Vitals Tools To Boost Your Web Performance Scores. Core Web Vitals Tools To Boost Your Web Performance Scores. Zara Cooper. The success of your website depends on the impression it leaves on its users.

Performance 130

Performance Benchmarking Website Metrics 130