High Scalability

FEBRUARY 17, 2021

Application example: user profile cache, where profiles are constructed elsewhere (e.g., All of these dbs are available free of cost for download / install and it will be fairly straightforward to run these tests in your environment for further analysis. Workload C: Read only. This workload is 100% read.

Benchmarking 308

Benchmarking Latency C++ Database 308

Smashing Magazine

MAY 9, 2022

Performance Game Changer: Browser Back/Forward Cache. Performance Game Changer: Browser Back/Forward Cache. Plus, they’ve created some more transparency about this, both in documentation and tooling. All those navigations can benefit from the Back/Forward Cache to instantly restore the page. Barry Pollard.

Cache 106

Cache Games Performance Website 106

Dynatrace

OCTOBER 7, 2021

AWS AppSync: AppSync offers a fully managed approach to developing APIs with GraphQL — connecting to AWS DynamoLB or Lambda along with adding caches and client-side data. Amazon S3: The Simple Storage Service stores and retrieves data from anywhere with scalability, data availability, security, performance, and a high degree of durability.

Serverless 325

Serverless AWS Lambda Storage 325

Alex Russell

MARCH 31, 2022

Browsers will cache tools popular among vocal, leading-edge developers. There's plenty of space for caching most popular frameworks. The best available proxy data also suggests that shared caches would have a minimal positive effect on performance. Suppose a user has only downloaded part of the cache.

Cache 89

Cache Government Traffic Network 89

Scalegrid

JULY 8, 2020

If you must kill the script at this point, there are two options available: SCRIPT KILL command can be used to stop a script that hasn’t yet done any writes. The complete information on methods to kill the script execution and related behavior are available in the documentation. Any data written by the script will be lost.

Servers 239

Servers Database Availability Monitoring 239

The Netflix TechBlog

NOVEMBER 4, 2019

Best of all, our page can load much faster since everything is cached in Elasticsearch. Once all documents have been indexed with no errors, we swap the alias from the currently active index to the newly built index. Keeping Everything Up To Date Indexing the data once isn’t enough. Our data changes constantly?—?

Database 244

Database Cache Servers Performance 244

Percona

JUNE 22, 2023

To make data count and to ensure cloud computing is unabated, companies and organizations must have highly available databases. This guide provides an overview of what high availability means, the components involved, how to measure high availability, and how to achieve it. How does high availability work?

Availability 132

Availability Database Open Source Hardware 132

CSS Wizardry

NOVEMBER 9, 2018

and is constantly stopping and starting as different part of the document block it. We’re bound to an inefficient caching strategy: a change to, say, the background colour of the currently-selected day on a date picker used on only one page, would require that we cache-bust the entirety of app.css.

Network 279

Network Performance Media Cache 279

The Netflix TechBlog

JULY 1, 2019

While web browsers and mobile phones have gigabytes of memory available for graphics, our devices are constrained to mere MBs. Our UI runs on top of a custom rendering engine which uses what we call a “surface cache” to optimize our use of graphics memory. The majority of legacy devices run at 28MB of surface cache.

Cache 166

Cache Design Testing Development 166

Dynatrace

JUNE 18, 2019

Moreover, features like Instant Run and the Gradle Build Cache weren’t supported. Out-of-the-box support for Instant Run and the Gradle Build Cache make the auto-instrumentation process barely noticeable. All auto-instrumentation settings are available as Gradle configuration properties. Supportability.

Cache 35

Cache Java Monitoring Tuning 35

Scalegrid

MAY 11, 2024

The default storage engine in earlier versions was MMAPv1, which utilized memory-mapped files and document-level locking. However, it is limited by the available free memory amount, and all data is lost when the server stops. It uses a filesystem cache and write-ahead log for crash recovery.

Storage 130

Storage Engineering Cache Database 130

CSS Wizardry

AUGUST 13, 2019

There was no appetite from them to do so, so I decided to make it all available for free anyway—a faster web benefits everyone. To further exacerbate the problem, the 302 response has a Cache-Control: must-revalidate, private. There was no appetite for providing or even documenting the alternative (i.e. Closing Thoughts.

Latency 213

Latency Cache Strategy Media 213

Dynatrace

DECEMBER 20, 2021

In practice, session recording solutions make use of the document object model (DOM), which is a programming interface for web pages and document. Streamlined asset caching: Asset caching is critical for creating accurate replays. Make sure you know what assets your replay tool is recording and how you can access them.

Mobile 264

Mobile Website Analytics Cache 264

The Netflix TechBlog

SEPTEMBER 8, 2020

This allows the app to query a list of “paths” in each HTTP request, and get specially formatted JSON (jsonGraph) that we use to cache the data and hydrate the UI. You can find a lot more details about how this works in the Spinnaker canaries documentation. ecosystem and the rich selection of npm packages available.

Latency 239

Latency Cache Java Traffic 239

The Netflix TechBlog

MARCH 7, 2023

Marken Architecture Our goal was to help teams at Netflix to create data pipelines without thinking about how that data is available to the readers or the client teams. We store all OperationIDs which are in STARTED state in a distributed cache (EVCache) for fast access during searches. They pass annotations along with the OperationID.

Media 270

Media Latency Architecture Database 270

All Things Distributed

JUNE 21, 2018

As I have talked about before, one of the reasons why we built Amazon DynamoDB was that Amazon was pushing the limits of what was a leading commercial database at the time and we were unable to sustain the availability, scalability, and performance needs that our growing Amazon.com business demanded. The opposite is true.

Database 166

Database AWS Games Latency 166

tRPC

MARCH 20, 2025

This has been available since quite early on via the @next tag, but now it's officially released. You can now start executing a procedure on the server in a RSC, pick up the pending promise on the client, and automatically hydrate the React Query cache clientside. You can read more in our Server Components documentation.

Servers 72

Servers Cache Processing Design 72

Dynatrace

APRIL 7, 2022

Spring Boot 2 uses Micrometer as its default application metrics collector and automatically registers metrics for a wide variety of technologies, like JVM, CPU Usage, Spring MVC, and WebFlux request latencies, cache utilization, data source utilization, Rabbit MQ connection factories, and more. To learn more, see our documentation.

Metrics 130

Metrics Java Latency Cache 130

Dynatrace

APRIL 7, 2022

Spring Boot 2 uses Micrometer as its default application metrics collector and automatically registers metrics for a wide variety of technologies, like JVM, CPU Usage, Spring MVC, and WebFlux request latencies, cache utilization, data source utilization, Rabbit MQ connection factories, and more. To learn more, see our documentation.

Metrics 130

Metrics Java Latency Cache 130

KeyCDN

SEPTEMBER 3, 2020

Even if a browser doesn't support WebP, our WebP caching feature will ensure that the correct image format is delivered. WebP delivery doesn't require any change on the origin server with the WebP caching feature. The available operations are listed in our documentation. Enable the Cache Key Host setting.

Processing 127

Processing Cache Website Servers 127

Smashing Magazine

JULY 6, 2021

Microsoft word documents, spreadsheets, Google docs always rear their heads up when working with content authors. But where do they preview the content before it is made available to the general public? A preview feature must be available in the pricing plan you have chosen for the headless CMS of your choice. Content Previews.

Cache 145

Cache Website Mobile Google 145

The Netflix TechBlog

OCTOBER 8, 2024

However, storing and querying such data presents a unique set of challenges: High Throughput : Managing up to 10 million writes per second while maintaining high availability. The service extracts these fields from events as they stream in, indexing the resultant documents into Elasticsearch. Also, with Cassandra 4.x,

Latency 237

Latency Storage Traffic Tuning 237

Smashing Magazine

MAY 16, 2022

This allows resource requests, including the HTML document itself, to be enriched with data during its lifecycle, and that information can be inspected for measuring the attributes of that resource! For the top-level HTML document, it is fetched upon user navigation but is still a resource request.

Servers 111

Servers Monitoring Cache Network 111

Smashing Magazine

DECEMBER 23, 2020

The service workers enable the offline usage of the PWA by fetching cached data or informing the user about the absence of an Internet connection. When developing a PWA, you can cache the application shell’s resources and assets in the browser. Cached content with IndexedDB. Cache first, then network. Service Workers.

Cache 136

Cache Internet Internet Google 136

Percona

NOVEMBER 1, 2023

sec) However, we can still find a warning in the official documentation , even for the 8.1 version, like this: ANALYZE TABLE removes the table from the table definition cache, which requires a flush lock. This makes the query wait for any long-running queries to finish but also can trigger cascading waiting for other incoming requests.

Servers 117

Servers Database Cache C++ 117

Smashing Magazine

MARCH 6, 2025

The Four LCP Subparts LCP subparts split the Largest Contentful Paint metric into four different components: Time to First Byte (TTFB) : How quickly the server responds to the document request. Large preview ) Time To First Byte The first step to display the largest page element is fetching the document HTML. Sign up for a free trial.

Website 59

Website Google Speed Metrics 59

Percona

MAY 2, 2023

ChatGPT: The InnoDB buffer pool is used by MySQL to cache frequently accessed data in memory. Since your dataset is 100 GB and you have 500 GB of RAM, you can allocate a significant portion of the available memory to the InnoDB buffer pool. So this answer was inaccurate and evasive. and moved my datadir to another location.

Social Media 145

Social Media Database Servers Cache 145

Smashing Magazine

JULY 16, 2020

Instead, use the measurement tools available to analyze the performance of your React app and get a detailed report of what might be slowing it down. According to React’s documentation , in react-dom 16.5+ and react-native 0.57+, enhanced profiling capabilities are available in developer mode using React Developer Tools Profiler.

Performance 125

Performance Code Virtualization Processing 125

The Netflix TechBlog

DECEMBER 17, 2019

In order to be supported, a database is required to fulfill a set of features that are commonly available in systems like MySQL, PostgreSQL, MariaDB, and others. Designed with High Availability in mind. Providing high availability for real-time events. Some of DBLog’s features are: Processes captured log events in-order.

Database 218

Database Traffic Transportation Open Source 218

Smashing Magazine

AUGUST 20, 2021

Now there’s a massive range of Jamstack CMSs available, which bring all the advantages of static sites while allowing non-technical folk to update content. What’s interesting is there was little mention of static sites in MoveableType’s documentation at all. These use cases include: Documentation. Large preview ).

Ecommerce 142

Ecommerce Website Government Internet 142

Percona

MARCH 20, 2023

When deciding what to pick, there are many things to consider, like where the proxy needs to be, if it “just” needs to redirect the connections, or if more features need to be in, like caching and filtering, or if it needs to be integrated with some MySQL embedded automation. Given that, there never was a single straight answer.

Games 141

Games Latency Traffic Cache 141

Smashing Magazine

JULY 29, 2019

MB , that suggests I’ve got around 29 pages in my budget, although probably a few more than that if I’m able to stay on the same sites and leverage browser caching. There’s a trade-off to be made here, as external stylesheets can be cached but inline ones cannot (unless you get clever with JavaScript ). Let’s talk about caching.

Cache 99

Cache Mobile Google Network 99

Brendan Gregg

JULY 2, 2021

cachestat File system cache statistics line charts. There is already documentation as man pages and example files in the bcc and bpftrace repositories that you can link to, to help your customers understand the tool output. BPF didn't exist on those versions, so I used basic Ftrace capabilities that were available on Linux 3.2.

Latency 144

Latency Cache Energy Systems 144

The Netflix TechBlog

DECEMBER 17, 2019

In order to be supported, a database is required to fulfill a set of features that are commonly available in systems like MySQL, PostgreSQL, MariaDB, and others. Designed with High Availability in mind. Providing high availability for real-time events. High Availability DBLog uses active-passive architecture. Figure 3?—?DBLog

Database 204

Database Traffic Transportation Open Source 204

Percona

NOVEMBER 7, 2023

The book PostgreSQL 14 Internals has been available in PDF format for quite a while, but recently, the ability to order a printed copy became available ( [link] ). This 548-page tome from PostgresPro covers the spectrum from data organization to details on the many available indexing options. Is this an easy read?

Cache 114

Cache Servers Operating System Database 114

Jos

APRIL 6, 2018

< p > The document is less than 600px wide. </ < p > The document is at least 600px wide. </ The browser has to run the JS that injects the HTML to the document, parse it and start requesting the referenced assets. This post is also available in Spanish Did you see any typo or wrong information?

Code 147

Code Performance Media Google 147

SQL Performance

SEPTEMBER 25, 2019

The general idea is to cache and replay results, saving repeated executions of inner-side operators wherever possible. When a spool is able to replay cached results, this is known as a rewind. You may find it helpful to think of a spool rebind as a cache miss, and a rewind as a cache hit. Lazy Table Spool. Rule Matching.

Performance 104

Performance Cache Servers Education 104