Scalegrid

JULY 29, 2020

However, these must be set up outside the PostgreSQL system, while PgBouncer can offload this to the PostgreSQL server. Here is how the middleware was installed: For PgBouncer, we installed it on the same box as the PostgreSQL server(s). Administration. PgBouncer provides a virtual database that reports various useful statistics.

Benchmarking 246

Benchmarking Database Performance Testing Availability 246

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. But I'd rather the cost be zero, of course! Back-end servers.

Java 145

Java Cache Google Hardware 145

Percona

MARCH 23, 2023

These guidelines work well for a wide range of applications, though the optimal settings, of course, depend on the workload. Hardware Memory The amount of RAM to be provisioned for database servers can vary greatly depending on the size of the database and the specific requirements of the company. Benchmark before you decide.

Performance 125

Performance Hardware Tuning Storage 125

Smashing Magazine

JANUARY 11, 2021

Build Optimizations JavaScript modules, module/nomodule pattern, tree-shaking, code-splitting, scope-hoisting, Webpack, differential serving, web worker, WebAssembly, JavaScript bundles, React, SPA, partial hydration, import on interaction, 3rd-parties, cache. It used to provide an insight into how quickly the server outputs any data.

Performance 145

Performance Cache Media Metrics 145

Percona

DECEMBER 23, 2022

The use case is the TPC-C benchmark but executed not on a high-end server but on a lower-spec virtual machine that is I/O limited like for example, with AWS EBS volumes. I wanted most of the memory to be available for the file cache, where the compressed SST files will be cached. The following figure illustrates the impacts.

Storage 55

Storage Cache C++ Virtualization 55

The Netflix TechBlog

SEPTEMBER 8, 2020

Over the course of this post, we will talk about our approach to this migration, the strategies that we employed, and the tools we built to support this. 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.

Latency 233

Latency Cache Java Traffic 233

CSS - Tricks

APRIL 1, 2021

It begins with retrieving the HTML from the server and converting this into the Document Object Model (DOM). Compressing, minifying and caching assets. We can compress our assets, minify our styles and scripts, and cache things responsibly so we’re serving what the user needs in the most efficient way possible. KB to 11.2

Cache 92

Cache Social Media Media Website 92

The Morning Paper

JUNE 23, 2019

Coupled with stateless application servers to execute business logic and a database-like system to provide persistent storage, they form a core component of popular data center service archictectures. session state that you want to survive an application process crash), and to keep the application server/services layer stateless.

Cache 79

Cache Latency Google Lambda 79

The Morning Paper

FEBRUARY 6, 2020

Last week we looked at a function shipping solution to the problem; Cloudburst uses the more common data shipping to bring data to caches next to function runtimes (though you could also make a case that the scheduling algorithm placing function execution in locations where the data is cached a flavour of function-shipping too).

Serverless 98

Serverless Lambda Cache Latency 98

Smashing Magazine

JANUARY 6, 2020

Is it worth exploring tree-shaking, scope hoisting, code-splitting, and all the fancy loading patterns with intersection observer, server push, clients hints, HTTP/2, service workers and — oh my — edge workers? It used to provide an insight into how quickly the server outputs any data. What does it mean?

Performance 145

Performance Cache Network Metrics 145

SQL Performance

NOVEMBER 10, 2021

Last month I explained when SQL Server inlines iTVFs, it applies parameter embedding optimization by default. Parameter embedding means SQL Server replaces parameter references in the query with the literal constant values from the current execution, and then the code with the constants gets optimized. Constant Folding.

Cache 121

Cache Servers Code Database 121

Smashing Magazine

SEPTEMBER 9, 2021

This occurs when you are revalidating the page on the server. The first solution that comes to mind may be to simply server side render the pages, ensuring that the client is always sent the most up to date data. seconds for the Server Side Rendering variant (plus a warning regarding initial server response time).

Cache 104

Cache Internet Internet Servers 104

Smashing Magazine

JANUARY 7, 2019

Is it worth exploring tree-shaking, scope hoisting, code-splitting, and all the fancy loading patterns with intersection observer, server push, clients hints, HTTP/2, service workers and — oh my — edge workers? Long FMP usually indicates JavaScript blocking the main thread, but could be related to back-end/server issues as well.

Performance 104

Performance Cache Metrics Network 104

Percona

MAY 1, 2023

Connection pooling: Minimizing connection overhead and improving response times for frequently accessed data by implementing mechanisms for connection pooling and caching strategies. This parameter sets how much dedicated memory will be used by PostgreSQL for the cache.

Tuning 52

Tuning Efficiency Database Performance 52

All Things Distributed

AUGUST 17, 2011

No Server Required - Jekyll & Amazon S3. The increasing sophistication of client-side JavaScript has redefined what dynamic means; where in the past dynamic content would be mainly server generated, today much content is served statically with JavaScript on the client side doing the dynamic modifications. No Server Required.

Servers 126

Servers Social Media AWS Website 126

Percona

MAY 15, 2023

This, of course, is unless I can organize my products by country as well, which is a bit unusual nowadays but not impossible. One example could be using an RDBMS for most of the Online transaction processing ( OLTP) data shared by country and having the products as distributed memory cache with a different technology.

Traffic 123

Traffic Scalability Database Servers 123

High Scalability

JULY 20, 2018

That means multiple data indirections mean multiple cache misses. Mark LaPedus : MRAM, a next-generation memory type, is being touted as a replacement for embedded flash and cache applications. It also works well to justify an acquisition of more servers to investors. They are very expensive. They never question this belief.

Internet 121

Internet Internet Scalability Automotive 121

Smashing Magazine

OCTOBER 29, 2019

It’ll handle the conversion, but it won’t help you modify your origin server so that it knows when to deliver WebPs and when to deliver a traditional image format to visitors. Some of these methods let you dictate how your server delivers images based on the restraints of your visitors’ browsers. What Is WebP Caching?

Website 72

Website Speed Cache Google 72

SQL Performance

MAY 20, 2022

The most important things to understand about server-side parameterization are it doesn’t happen all at once and a final decision to parameterize isn’t made until the end of the process. Imagine someone handing you a query written for an unknown SQL Server database and asking you to identify parameterizable constants. usecounts , CP.

Cache 55

Cache Database Servers Testing 55

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.

Performance 104

Performance Cache Servers Education 104

MachMetrics

DECEMBER 20, 2018

Did you order a 5 course meal, but then only eat 2 of them? Of course not, that would be a waste. Now let’s upload our lazy-loading updates and try again: (Note that you’ll have to do hard-reload, clear cache, or use a new private browser to ensure we’re not taking advantage of the browser cache in our testing).

Cache 75

Cache Speed Internet Internet 75

MachMetrics

JANUARY 23, 2020

Of course, you still won’t see the same loading time every test , so let’s look at some of the reasons why. Every single visitor will be a different distance from the server. Below you’ll see an image showing a graph of a website’s test results over the course of a month.

Speed 62

Speed Testing Website Cache 62

IO River

NOVEMBER 2, 2023

A CDN (Content Delivery Network) is a network of geographically distributed servers that brings web content closer to where end users are located, to ensure high availability, optimized performance and low latency. When using a single CDN, the organization is dependent on the CDN provider’s geographical coverage and server infrastructure.

Best Practices 52

Best Practices Strategy Traffic Virtualization 52

Smashing Magazine

JUNE 2, 2021

Of course, a shop needs interactive elements , be it product image zooming, some videos, a countdown to today’s shipping deadline, or a chat window to get in contact with customer support. And while you can usually cache the full page of an article, the same is not true of many shop pages and elements. Large preview ).

Performance 117

Performance Cache Website Mobile 117

Percona

JULY 17, 2023

Alternatives to MongoDB Enterprise There are plenty of alternatives, but we’re not going to cover them all here, of course. An in-memory caching mechanism supports horizontal scaling, which enables it to handle large-scale applications and workloads effectively. Such organizations might seek a more straightforward alternative.

Open Source 75

Open Source Database Scalability Software 75

The Morning Paper

FEBRUARY 20, 2020

At some later point a SQL query is issued which SELECT s a model and then uses the PREDICT function to generate a prediction from the model given some input data (which is itself of course the result of a query). An extended version of SQL Server, with an integrated ONNX Runtime engine executes the query. pruning). The last word.

Processing 72

Processing Hardware Database Azure 72

All Things Distributed

MAY 13, 2012

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. This is useful when customers want to use different origin servers for different types of content.

Cache 117

Cache Latency AWS Website 117

Smashing Magazine

SEPTEMBER 20, 2021

And of course, scrapers could scrape your site to look for security vulnerabilities or exposed contact or sales lead details. When your content is delivered by other means, from other servers or platforms, it can put the user experience and commercial relationship you have built up with your users at risk. Large preview ). Ad Scraping.

Website 90

Website Analytics Cache Google 90

The Morning Paper

OCTOBER 26, 2020

It’s a planet-scale client-server architecture with an enormous number of mostly thin clients sharing the services of a few giant server systems. We push as much data processing as possible onto warehouse-scale computers and systems software. Industrial IoT use cases are an example here.

Cloud 104

Cloud Big Data Latency Architecture 104

SQL Performance

OCTOBER 20, 2022

When SQL Server reads data under locking read committed isolation (the default for non-cloud offerings) and chooses row-level locking granularity, it normally only locks one row at a time. SQL Server solves this problem using lock classes. SQL Server needs to hold locks in this case to ensure the by-reference LOB pointers remain valid.

Testing 91

Testing Servers Cache Engineering 91

Smashing Magazine

AUGUST 9, 2022

It also lists cached resources and identifies unused Javascript. It graphs server, network, CSS, Javascript, critical content, and image optimizations to show the potential savings you could gain by incorporating fixes into your site. WebPageTest is, of course, a performance testing suite on its own. Your (smashing) email.

Performance 130

Performance Benchmarking Website Metrics 130

MachMetrics

JULY 31, 2020

Simply put, compression allows the web server to send smaller files to your web site viewers. When someone enters your URL and requests your site, their browser will indicate to the web server that it understands compression (and which type it understands). What is HTTP Compression? Gzip Compression. How Do I Enable Gzip?

Speed 67

Speed Servers Google Tuning 67

Percona

JUNE 22, 2023

Load balancing : Requests are evenly distributed across multiple database servers, ensuring the system remains operational even if one server fails. Automated failover : To keep the database operational and minimize downtime, it automatically switches to a backup server if the primary server fails.

Availability 106

Availability Database Open Source Hardware 106

Smashing Magazine

OCTOBER 26, 2018

In addition to MVC separation, we can (for security reasons or speed improvements) place the JS App on a separate server like in the schema below: Decoupled WordPress diagram. Of course, this is where good planning is crucial. Large preview ). Advantages Of Using The Decoupled Approach. Creating A Simple Decoupled Pages Endpoint.

Cache 79

Cache Website Speed Database 79

All Things Distributed

OCTOBER 2, 2017

" Of course, no technology change happens in isolation, and at the same time NoSQL was evolving, so was cloud computing. percent availability in the event of a server, a rack of servers, or an Availability Zone failure. Durable and Highly-Available – DynamoDB maintains data durability and 99.99

Internet 128

Internet Internet AWS Performance 128

IO River

NOVEMBER 2, 2023

A CDN (Content Delivery Network) is a network of geographically distributed servers that brings web content closer to where end users are located, to ensure high availability, optimized performance and low latency. When using a single CDN, the organization is dependent on the CDN provider’s geographical coverage and server infrastructure.

Best Practices 40

Best Practices Strategy Traffic Virtualization 40

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. Not as much as we'd like, of course, but the worldwide baseline has changed enormously. There are differences, of course, but not where it counts. The Moto G4 , for example.

Performance 124

Performance Network Cache Metrics 124