Cache, Definition and Processing - Technology Performance Pulse

Cache-Control for Civilians

CSS Wizardry

MARCH 3, 2019

To this end, having a solid caching strategy can make all the difference for your visitors. ?? How is your knowledge of caching and Cache-Control headers? That being said, more and more often in my work I see lots of opportunities being left on the table through unconsidered or even completely overlooked caching practices.

Cache

Cache Latency Strategy Servers

Image Processing Insights

KeyCDN

SEPTEMBER 3, 2020

KeyCDN has significantly simplified the way images are transformed and delivered with our Image Processing service. Properly size images: Scaled images will definitely reduce the overall website size. Our Image Processing service makes it easy to do that. Optimization and delivery of images play a key role in web development.

Processing

Processing Cache Website Servers

ABAC on SpiceDB: Enabling Netflix’s Complex Identity Types

The Netflix TechBlog

MAY 19, 2023

A cleanup process to prune stale relationships from the database. Over time, each node caches a subset of subproblems to support a distributed cache, reduce the datastore load, and achieve SpiceDB’s horizontal scalability. “can app bar in us-west-2 access this document.” What was problematic about this design?

Cache

Cache Google Open Source Systems

How multicloud observability boosts cloud performance at Tractor Supply Co.

Dynatrace

APRIL 10, 2023

But “the benefits are definitely worth the effort, provided you do it in a strategic way,” Bollampally said. Further, Tractor Supply’s transition to Kubernetes introduced many new processes—particularly regarding security. “At one point, we saw a process that was causing a lot of CPU contention.

Cloud

Cloud Ecommerce Performance Retail

PostgreSQL Connection Pooling: Part 2 – PgBouncer

Scalegrid

DECEMBER 19, 2019

Once the authentication succeeds: PgBouncer checks for a cached connection, with the same username+database combination. If a cached connection is found, it returns the connection to the client. Pool definitions. The simplest definition is of the form: * = host=. Interfaces/IP:ports to listen for incoming connections.

Cache

Cache Architecture Database Servers

20X Faster Backup Preparation With Percona XtraBackup 8.0.33-28!

Percona

JULY 25, 2023

So, given a table_id, how do you get the table schema/definition? After the “data dictionary” (DD) engine and DD cache are initialized on a server, the Storage Engines can ask for a table definition. Initializing a DD engine and the cache adds complexity and other server dependencies. ibd2sdi data/test/t1.ibd

Cache

Cache Benchmarking Servers Design

How to use Server Timing to get backend transparency from your CDN

Speed Curve

FEBRUARY 5, 2024

desc="Time to process request at origin" NOTE: This is not a new API. Caching the base page/HTML is common, and it should have a positive impact on backend times. Key things to understand from your CDN Cache Hit/Cache Miss – Was the resource served from the edge, or did the request have to go to origin?

Servers

Servers Cache Retail Benchmarking

Re-Architecting the Video Gatekeeper

The Netflix TechBlog

JULY 12, 2019

delivering a large amount of business value in the process. The Tech Hollow , an OSS technology we released a few years ago, has been best described as a total high-density near cache : Total : The entire dataset is cached on each node?—?there there is no eviction policy, and there are no cache misses.

Cache

Cache Architecture Latency Engineering

Understanding MySQL Triggers: Exploring How Triggers Impact MySQL Memory Allocation

Percona

SEPTEMBER 1, 2023

Completion of Trigger : Once the trigger’s code is executed for one row, it proceeds to the next affected row (if any) and repeats the process. Scope of Data : Row-level triggers work with individual row data, making them suitable for tasks that require row-level processing. Don’t let hidden database costs haunt you.

Cache

Cache Database Games Healthcare

What is a data lakehouse? Combining data lakes and warehouses for the best of both worlds

Dynatrace

OCTOBER 4, 2022

However, organizations must structure and store data inputs in a specific format to enable extract, transform, and load processes, and efficiently query this data. This data lands in its original, raw form without requiring schema definition. Massively parallel processing.

Artificial Intelligence

Artificial Intelligence Storage Analytics Government

The road to observability with OpenTelemetry demo part 1: Identifying metrics and traces

Dynatrace

MAY 17, 2023

Metrics provide a unified and standardized definition to numerical data points over a period of time (for example, network throughput, CPU usage, number of active users, and error rates), whereas logs address traditional logging and allow you to handle logging information in an aggregated fashion.

Metrics

Metrics Open Source Traffic Cache

How We Optimized Performance To Serve A Global Audience

Smashing Magazine

AUGUST 3, 2023

Core Web Vital metrics definitions. However, achieving a good LCP score is often a multi-faceted process that involves optimizing several stages of loading and rendering. You need to look out for large image file sizes or improperly optimized images that can delay the fetching and decoding process.

Performance

Performance Cache Traffic Metrics

Observability vs. monitoring: What’s the difference?

Dynatrace

NOVEMBER 3, 2021

Monitoring , by textbook definition, is the process of collecting, analyzing, and using information to track a program’s progress toward reaching its objectives and to guide management decisions. Examples include a spike in memory utilization, a decrease in cache hit ratio, or an increase in CPU utilization.

Monitoring

Monitoring Metrics DevOps Scalability

Fixing a slow site iteratively

CSS - Tricks

APRIL 1, 2021

This is the process of turning HTML, CSS and JavaScript into a fully fleshed out, interactive website. This process can be “blocked” if it has to wait for resources to load before it runs. I definitely have some assets that are doing nothing but wasting time and space. Compressing, minifying and caching assets.

Cache

Cache Social Media Media Network

WaterBear: Building A Free Platform For Impactful Documentaries (Part 2)

Smashing Magazine

OCTOBER 2, 2023

Definitely read up on the strategy and reasoning behind this stack in the first article if you missed it. Now, let’s dive into the technical features and best practices that my team adopted in the process of building the WaterBear web app. For us, images are most definitely part of the LCP. image preload options. <head>

Cache

Cache Strategy Best Practices Design

Best Free DNS Hosting Providers

KeyCDN

FEBRUARY 4, 2021

So DNS services definitely go down! ISPs do cache DNS however which means if your first provider goes down it will still try to query the first DNS server for a period of time before querying for the second one. But remember, ISPs also cache the DNS so by setting a longer TTL it means fewer queries to your DNS servers.

Cache

Cache Website Internet Internet

An approach to index tuning – Part 2

SQL Performance

APRIL 13, 2020

In my last post , I started to outline the process I go through when tuning queries – specifically when I discover that I need to add a new index, or modify an existing one. Once we have that data, we can move on to the next steps in the process. Once we have that data, we can move on to the next steps in the process.

Tuning

Tuning Cache Metrics Testing

CSS and Network Performance

CSS Wizardry

NOVEMBER 9, 2018

While this strategy is effective, it’s not simple: highly dynamic sites can be difficult to extract styles from, the process needs to be automated, we have to make assumptions about what above the fold even is, it’s hard to capture edge cases, and tooling still in its relative infancy. The same waterfall occurs in Opera and Safari.).

Network

Network Performance Media Cache

Why is Wordpress Slow?

KeyCDN

DECEMBER 8, 2022

But if you have not optimized your WordPress properly, your WordPress will definitely be slower than your expectations. Many factors affect the speed of your WordPress website; some of them are: Your web host Server-side optimizations (PHP version, compression, caching, etc.) So let's discuss the process one step at a time.

Cache

Cache Website Speed Website Performance

How To Maintain A Large Next.js Application

Smashing Magazine

NOVEMBER 26, 2021

checks for type definition during build time. This can be reduced by a proper code-review process. Your application might also suffer from caching, and performance issues. They handle a lot of things like caching and performance which are difficult to manage on your own. From the Next.js docs : “By default, Next.js

Cache

Cache Code Testing Design

GraphQL Search Indexing

The Netflix TechBlog

NOVEMBER 4, 2019

By batching and parallelizing the requests to retrieve many creatives via a single query to the GraphQL server, we can optimize the index building process. At a minimum, we extract all of the type definitions from the GraphQL query and map them to a schema for Elasticsearch to use. Our data changes constantly?—?

Cache

Cache Database Servers Latency

An approach to index tuning – part 1

SQL Performance

MARCH 26, 2020

I often get the Execution Plan from the plan cache or Query Store , and then use SSMS to get the Execution Plan plus Run-Time Statistics (aka Actual Execution Plan). It's usually not that easy, and even when it is, I still go through the process that I am outlining here. Step 1 : Identify the query and review the plan.

Tuning

Tuning Cache Database Strategy

Radically speed up your code by fixing slow or frequent garbage collection

Dynatrace

APRIL 8, 2020

Garbage collection is slow if most objects survive the collection process. You can easily see this in Dynatrace: From any Host page, select a Process page. You should also be careful when adding any sort of cache or object reuse strategy. Optimize your code by finding and fixing the root cause of garbage collection problems.

Speed

Speed Code Java Lambda

Optimizing Video Streaming CDN Architecture for Cost Reduction and Enhanced Streaming Performance

IO River

NOVEMBER 2, 2023

Now, with viewers all over the world expecting flawless and high-definition streaming, video providers have their work cut out for them. Given its unchanging nature, static content is ideal for caching. With the option to use multiple CDNs, you can select the areas you want to focus on, all while saving a pretty penny in the process.

Architecture

Architecture Performance Internet Internet

A Guide To Image Optimization On Jamstack Sites

Smashing Magazine

NOVEMBER 17, 2022

As you may already know, image optimization is the process that a high-quality image has to go through to be delivered in ideal conditions, sometimes with the help of an Image Transformation API and a global Content Delivery Network (CDN) to make the process simpler and scalable. Cache Your Images. Can it be more optimal?

Media

Media Cache Website Mobile

Simple Parameterization and Trivial Plans — Part 3

SQL Performance

APRIL 18, 2022

This parallel plan ( with a Sort operator) is definitely parameterized by the server using simple parameterization. It’s important to remember the plan must be cached. Requesting an estimated plan from SSMS does not cache the plan produced (since SQL Server 2012). Reliable Methods. Dynamic Management Objects. End of Part 3.

Cache

Cache Servers Database Testing

Front-End Performance Checklist 2021

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. In fact, choosing the right metric is a process without obvious winners.

Performance

Performance Cache Media Metrics

Mundane Improvements, Big Impact

Tim Kadlec

APRIL 12, 2020

The cache hit was very low (a topic for another day), and whenever the server had to provide a fresh version of the page, it was taking an unacceptably long time more often than not. Trial and error is fine, and often the only way forward, but it’s always nice to have some definitive evidence to guide decisions.

Tuning

Tuning Cache Network Servers

Django Highlights: Wrangling Static Assets And Media Files (Part 4)

Smashing Magazine

JUNE 25, 2020

Today, we’ll address storing and serving files for both single-server and scalable deployments while considering factors like compression, caching, and availability. Definitions. This process is easy to integrate with your Django deployment scripts. This process is called minification. Part 2 : Templating Saves Lines.

Media

Media Cache Storage AWS

Proof of Concept: Horizontal Write Scaling for MySQL With Kubernetes Operator

Percona

MAY 15, 2023

In both cases, when using virtually-synchronous replication, the process will require certification from each node and local (by node) write; as such, the number of writes is NOT distributed across multiple nodes but duplicated. Because the solutions still rely on writing in one single node that works as Primary. That is all we need.

Traffic

Traffic Scalability Database Servers

How Fast Is Amp Really?

Tim Kadlec

MARCH 19, 2018

How well does AMP perform when the library is served using the AMP cache? Since the foundation is HTML, CSS, and JS, you can absolutely build a document using the AMP library without using the Google AMP Cache. Perhaps the AMP cache will provide a bit of a boost. Let’s see if the Google cache puts it over the top.

Cache

Cache Google Speed Metrics

Examining the Performance Impact of an Adhoc Workload

SQL Performance

MAY 22, 2019

It’s one of the things we look at during a health audit, and Kimberly has a great query from her Plan cache and optimizing for adhoc workloads post that’s part of our toolkit. I’ve copied the query below, and if you’ve never run it against any of your production environments before, definitely find some time to do so. EXEC dbo. [

Cache

Cache Performance Hardware Servers

Formal foundations of serverless computing

The Morning Paper

NOVEMBER 17, 2019

For example, to reduce latency, serverless platforms try to reuse the same function instance to process multiple requests. Serverless functions are stateless , but can opportunistically reuse cached state across invocations to speed up start times. Don’t do that! a persistent store with transaction support).

Serverless

Serverless Lambda Programming Cache

One Index, Three Different PostgreSQL Scan Types: Bitmap, Index, and Index Only

Percona

JULY 6, 2023

Next is the table definition. Bitmap Index Scan The planner chooses this index scan method when the query asks for a large enough amount of data that can leverage the benefits of the bulk read, like the sequential scan, but not that large that actually requires processing ALL the table.

Best Practices

Best Practices Tuning Database Testing

Optimizing Video Streaming CDN Architecture for Cost Reduction and Enhanced Streaming Performance

IO River

NOVEMBER 2, 2023

Now, with viewers all over the world expecting flawless and high-definition streaming, video providers have their work cut out for them. These can be cached â€“ much more effectively than whatâ€™s usually used:â€Standard CDNs for Static Content:The very nature of video streaming makes its traffic relatively straightforward to manage.

Architecture

Architecture Performance Internet Internet

Front-End Performance Checklist 2020 [PDF, Apple Pages, MS Word]

Smashing Magazine

JANUARY 6, 2020

So, if we created an overview of all the things we have to keep in mind when improving performance — from the very start of the process until the final release of the website — what would that list look like? Also, as Patrick Meenan suggested, it’s worth to plan out a loading sequence and trade-offs during the design process.

Performance

Performance Cache Network Metrics

GraphQL Search Indexing

The Netflix TechBlog

NOVEMBER 4, 2019

By batching and parallelizing the requests to retrieve many creatives via a single query to the GraphQL server, we can optimize the index building process. At a minimum, we extract all of the type definitions from the GraphQL query and map them to a schema for Elasticsearch to use. Our data changes constantly?—?

Cache

Cache Database Servers Latency

Using hardware performance counters to determine how often both logical processors are active on an Intel CPU

John McCalpin

SEPTEMBER 17, 2018

Processes running on the two Logical Processors share most of the processor resources (particularly caches and execution units). The programmable performance counter event that most closely corresponds to the Fixed-Function “Unhalted Reference Cycles” counter has changed names and definitions several times.

Hardware

Hardware Performance Cache Programming

Front-End Performance Checklist 2019 [PDF, Apple Pages, MS Word]

Smashing Magazine

JANUARY 7, 2019

So, if we created an overview of all the things we have to keep in mind when improving performance — from the very start of the process until the final release of the website — what would that list look like? Also, as Patrick Meenan suggested, it’s worth to plan out a loading sequence and trade-offs during the design process.

Performance

Performance Cache Network Metrics

Optimize Images for Web

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. This is useful if you want to store optimized images instead of using a real-time image processing service. The Cache Enabler plugin then delivers WebP images based to supported browsers.

Social Media

Social Media Media Google Website

GraphQL Search Indexing

The Netflix TechBlog

NOVEMBER 4, 2019

By batching and parallelizing the requests to retrieve many creatives via a single query to the GraphQL server, we can optimize the index building process. At a minimum, we extract all of the type definitions from the GraphQL query and map them to a schema for Elasticsearch to use. Our data changes constantly?—?

Cache

Cache Database Servers Latency

Mobile Page Speed Testing

MachMetrics

JUNE 1, 2020

This can be done by implementing browser caching, combining JavaScript and CSS files, and minimizing redirects. You can also utilize our ‘Resources’ tab in the MachMetrics dashboard to find resources that are extra-large or are causing a bottleneck in the loading process. Definitely not ideal. Google Devs.

Speed

Speed Mobile Testing Google

The Performance Inequality Gap, 2021

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. Advances in browser content processing. The fastest Androids predictably remain 18-24 months behind, owing to cheapskate choices about cache sizing by Qualcomm, Samsung Semi, and all the rest.

Performance

Performance Network Cache Metrics

150 successful machine learning models: 6 lessons learned at Booking.com

The Morning Paper

OCTOBER 6, 2019

Before you start building models, it’s worth spending time carefully constructing a definition of the problem you are trying to solve. For example, changing a user preference model based on clink data to a natural language processing problem based on guest review data. Lesson 5: get early feedback on model quality.

Latency

Latency Metrics Cache Design

Cache-Control for Civilians

Image Processing Insights

Trending Sources

ABAC on SpiceDB: Enabling Netflix’s Complex Identity Types

How multicloud observability boosts cloud performance at Tractor Supply Co.

PostgreSQL Connection Pooling: Part 2 – PgBouncer

20X Faster Backup Preparation With Percona XtraBackup 8.0.33-28!

How to use Server Timing to get backend transparency from your CDN

Re-Architecting the Video Gatekeeper

Understanding MySQL Triggers: Exploring How Triggers Impact MySQL Memory Allocation

What is a data lakehouse? Combining data lakes and warehouses for the best of both worlds

The road to observability with OpenTelemetry demo part 1: Identifying metrics and traces

How We Optimized Performance To Serve A Global Audience

Observability vs. monitoring: What’s the difference?

Fixing a slow site iteratively

WaterBear: Building A Free Platform For Impactful Documentaries (Part 2)

Best Free DNS Hosting Providers

An approach to index tuning – Part 2

CSS and Network Performance

Why is Wordpress Slow?

How To Maintain A Large Next.js Application

GraphQL Search Indexing

An approach to index tuning – part 1

Radically speed up your code by fixing slow or frequent garbage collection

Optimizing Video Streaming CDN Architecture for Cost Reduction and Enhanced Streaming Performance

A Guide To Image Optimization On Jamstack Sites

Simple Parameterization and Trivial Plans — Part 3

Front-End Performance Checklist 2021

Mundane Improvements, Big Impact

Django Highlights: Wrangling Static Assets And Media Files (Part 4)

Proof of Concept: Horizontal Write Scaling for MySQL With Kubernetes Operator

How Fast Is Amp Really?

Examining the Performance Impact of an Adhoc Workload

Formal foundations of serverless computing

One Index, Three Different PostgreSQL Scan Types: Bitmap, Index, and Index Only

Optimizing Video Streaming CDN Architecture for Cost Reduction and Enhanced Streaming Performance

Front-End Performance Checklist 2020 [PDF, Apple Pages, MS Word]

GraphQL Search Indexing

Using hardware performance counters to determine how often both logical processors are active on an Intel CPU

Front-End Performance Checklist 2019 [PDF, Apple Pages, MS Word]

Optimize Images for Web

GraphQL Search Indexing

Mobile Page Speed Testing

The Performance Inequality Gap, 2021

150 successful machine learning models: 6 lessons learned at Booking.com

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