The slides for me "HTTP headers that make your website go faster" presentation at the November 2023 meetup of devs.gent.
This presentation explains how you can leverage headers like Cache-Control, Vary, Etag, If-None-Match, Surrogate-Capability, Surrogate-Control and many others to control the behavior of an HTTP cache or CDN.
See https://feryn.eu/speaking/http-headers-will-make-website-go-faster-devs-gent-23/ for more information.
HTTP headers that make your website go fasterThijs Feryn
Slides for my HTTP caching headers talk at SRECon EMEA 2023 in Dublin.
This presentation focuses heavily on the "Cache-Control" header and all the directives that give you the ability to control the behavior of the cache. Other caching headers such as "Vary", "Etag", "If-None-Match", "If-Modified-Since" & "Last-Modified" are also covered.
Finally we talk about Edge Side Includes (ESI) as well.
See https://feryn.eu/speaking/http-headers-make-website-go-faster-srecon23emea/ for more details.
HTTP headers that will make your website go fasterThijs Feryn
This document discusses caching and web performance optimization. It introduces caching concepts like private vs shared caches, time to live, fresh vs stale content, and revalidation. It covers Cache-Control response directives and how to configure caching in Varnish. Key points covered include why caching improves performance, different types of caching (e.g. CDNs, proxies), and how to implement caching strategies using Cache-Control, VCL, and edge computing.
This document discusses using Varnish as a reverse proxy and HTTP accelerator. It begins with an overview of reverse proxies and caching, then describes how Varnish handles cache hits and misses. Specific techniques covered include using HTTP headers like Cache-Control and surrogate keys to manage caching and invalidations. The document also shows how to configure Varnish using Varnish Configuration Language (VCL) and integrate it with Rails applications and services like image processing.
Tech talk at 20o. GURU (Sao Paulo/Brazil Ruby User Group). November 26th, 2011
In REST architectures, there is always concerns about the high volume os HTTP requests, that can increase the load on servers. However, this issue could be easily solved if the system implement a good HTTP cache strategy. This talk will show in a simple way how works the underestimated HTTP cache protocol.
Taking Laravel to the edge with HTTP caching and VarnishThijs Feryn
Slides for my Laracon EU 2022 presentation in Amsterdam about caching Laravel applications with Varnish.
See https://feryn.eu/speaking/taking-laravel-edge-leverage-http-caching-varnish-maximum-scalability/ for more information.
Content Caching with NGINX and NGINX PlusKevin Jones
This document discusses content caching with NGINX and NGINX Plus. It provides an overview of basic caching directives like proxy_cache_path and proxy_cache. It then discusses high availability caching architectures like consistent hash, active/passive, and active/active clusters. It also covers byte range request caching and advanced cache control features in NGINX Plus like cache purging and restricting purge API access.
Learn how to load balance your applications following best practices with NGINX and NGINX Plus.
On-Demand Recording: https://www.nginx.com/resources/webinars/high-performance-load-balancing/
Join this webinar to learn:
* How to configure basic HTTP load balancing features
* The essential elements of load balancing: session persistence, health checks, and SSL termination
* How to load balance MySQL, DNS, and other common TCP/UDP applications
* How to have NGINX Plus automatically discover new service instances in an auto-scaling or microservices environment
About the webinar
You’ve built a great application and it’s gaining in popularity. Or maybe you already have a hardware load balancer and you’re looking to replace it with a software solution. In this webinar we’ll share the latest information on how to scale-out and load balance your applications with NGINX and NGINX Plus.
Apache HBase in the Enterprise Data Hub at CernerHBaseCon
Swarnim Kulkarni (Cerner)
Cerner has been an active consumer of HBase for a very long time, storing petabytes of healthcare data in its multiple isolated HBase clusters. This talk will walk through the design of Cerner's enterprise data hub with a focus on the multi-tenant HBase as a service offering within the hub.
HTTP headers that make your website go fasterThijs Feryn
Slides for my HTTP caching headers talk at SRECon EMEA 2023 in Dublin.
This presentation focuses heavily on the "Cache-Control" header and all the directives that give you the ability to control the behavior of the cache. Other caching headers such as "Vary", "Etag", "If-None-Match", "If-Modified-Since" & "Last-Modified" are also covered.
Finally we talk about Edge Side Includes (ESI) as well.
See https://feryn.eu/speaking/http-headers-make-website-go-faster-srecon23emea/ for more details.
HTTP headers that will make your website go fasterThijs Feryn
This document discusses caching and web performance optimization. It introduces caching concepts like private vs shared caches, time to live, fresh vs stale content, and revalidation. It covers Cache-Control response directives and how to configure caching in Varnish. Key points covered include why caching improves performance, different types of caching (e.g. CDNs, proxies), and how to implement caching strategies using Cache-Control, VCL, and edge computing.
This document discusses using Varnish as a reverse proxy and HTTP accelerator. It begins with an overview of reverse proxies and caching, then describes how Varnish handles cache hits and misses. Specific techniques covered include using HTTP headers like Cache-Control and surrogate keys to manage caching and invalidations. The document also shows how to configure Varnish using Varnish Configuration Language (VCL) and integrate it with Rails applications and services like image processing.
Tech talk at 20o. GURU (Sao Paulo/Brazil Ruby User Group). November 26th, 2011
In REST architectures, there is always concerns about the high volume os HTTP requests, that can increase the load on servers. However, this issue could be easily solved if the system implement a good HTTP cache strategy. This talk will show in a simple way how works the underestimated HTTP cache protocol.
Taking Laravel to the edge with HTTP caching and VarnishThijs Feryn
Slides for my Laracon EU 2022 presentation in Amsterdam about caching Laravel applications with Varnish.
See https://feryn.eu/speaking/taking-laravel-edge-leverage-http-caching-varnish-maximum-scalability/ for more information.
Content Caching with NGINX and NGINX PlusKevin Jones
This document discusses content caching with NGINX and NGINX Plus. It provides an overview of basic caching directives like proxy_cache_path and proxy_cache. It then discusses high availability caching architectures like consistent hash, active/passive, and active/active clusters. It also covers byte range request caching and advanced cache control features in NGINX Plus like cache purging and restricting purge API access.
Learn how to load balance your applications following best practices with NGINX and NGINX Plus.
On-Demand Recording: https://www.nginx.com/resources/webinars/high-performance-load-balancing/
Join this webinar to learn:
* How to configure basic HTTP load balancing features
* The essential elements of load balancing: session persistence, health checks, and SSL termination
* How to load balance MySQL, DNS, and other common TCP/UDP applications
* How to have NGINX Plus automatically discover new service instances in an auto-scaling or microservices environment
About the webinar
You’ve built a great application and it’s gaining in popularity. Or maybe you already have a hardware load balancer and you’re looking to replace it with a software solution. In this webinar we’ll share the latest information on how to scale-out and load balance your applications with NGINX and NGINX Plus.
Apache HBase in the Enterprise Data Hub at CernerHBaseCon
Swarnim Kulkarni (Cerner)
Cerner has been an active consumer of HBase for a very long time, storing petabytes of healthcare data in its multiple isolated HBase clusters. This talk will walk through the design of Cerner's enterprise data hub with a focus on the multi-tenant HBase as a service offering within the hub.
A common request sent from your web browser to a web server goes quite a long way and it can take a great deal of time until the data your browser can display are fetched back. I will talk about making this great deal of time significantly less great by caching things on different levels, starting with client-side caching for faster display and minimizing transferred data, storing results of already performed operations and computations and finishing with lowering the load of database servers by caching result sets. Cache expiration and invalidation is the hardest part so I will cover that too. Presentation will be focused mainly on PHP, but most of the principles are quite general work elsewhere too.
Content caching is one of the most effective ways to dramatically improve the performance of a web site. In this webinar, we’ll deep-dive into NGINX’s caching abilities and investigate the architecture used, debugging techniques and advanced configuration. By the end of the webinar, you’ll be well equipped to configure NGINX to cache content exactly as you need.
View full webinar on demand at http://nginx.com/resources/webinars/content-caching-nginx/
It's easy enough to test the correctness of the infracode we write with unit-tests and parsers, but testing it does what it's supposed to do in the enviornment itself is a little more challenging. In this talk, I'm going to talk about some of the tools and approaches to use to test your configuration automation tool of choice.
This document discusses using NGINX to deliver high performance applications through efficient caching. It explains that NGINX can be used as a web server, load balancer, and high availability content cache to provide low latency, scalability, availability and reduced costs. Specific NGINX caching configurations like proxy_cache, proxy_cache_valid and proxy_cache_background_update are described. Microcaching optimizations with NGINX are also covered, showing significant performance improvements over Apache+WordPress and a reverse proxy only setup.
This document discusses strategies for improving mobile application performance through caching and reducing API requests. It recommends caching responses from APIs and content delivery networks to reduce load on servers. Developer should add Cache-Control headers to responses to ensure caching by clients. The document also provides tips for organizing files in Amazon S3 buckets to optimize storage and retrieval performance.
The document discusses performance tuning of Alfresco. It covers JVM tuning including memory and garbage collection settings. It also discusses analyzing garbage collection logs and common problems. The document outlines different cache mechanisms in Alfresco including L1, L2 caches and Hazelcast caching. Tuning caches based on data change frequency and hit ratios is recommended. Finally, the document provides guidance on investigating performance issues by examining logs, threads, databases, storage and Alfresco/Solr configurations and settings.
Caching the uncacheable with Varnish - DevDays 2021Thijs Feryn
Slides for my "Caching the uncacheable with Varnish" presentation at DevDays 2021. See https://feryn.eu/speaking/caching-uncacheable-varnish-devdays-2021/ for more information
Dynamic Content Acceleration: Lightning Fast Web Apps with Amazon CloudFront ...Amazon Web Services
Traditionally, content delivery networks (CDNs) were known to accelerate static content. Amazon CloudFront has come a long way and now supports delivery of entire websites that include dynamic and static content. In this session, we introduce you to CloudFront’s dynamic delivery features that help improve the performance, scalability, and availability of your website while helping you lower your costs. We talk about architectural patterns such as SSL termination, close proximity connection termination, origin offload with keep-alive connections, and last-mile latency improvement. Also learn how to take advantage of Amazon Route 53's health check, automatic failover, and latency-based routing to build highly available web apps on AWS.
This document discusses HDInsight interactive query architecture and performance. It summarizes that:
1. HDInsight uses LLAP (Low Latency Analytical Processing) clusters to serve queries directly from Azure blob storage and data lake store for fast performance on text data.
2. Testing showed LLAP had high query concurrency and interactive query speed compared to Spark SQL and Presto.
3. The document also outlines HDInsight's logging architecture where the OMS agent collects logs and metrics from HDInsight clusters and sends them to Log Analytics for analysis.
Accelerate your Kubernetes clusters with Varnish CachingThijs Feryn
A presentation about the usage and availability of Varnish on Kubernetes. This talk explores the capabilities of Varnish caching and shows how to use the Varnish Helm chart to deploy it to Kubernetes.
This presentation was delivered at K8SUG Singapore. See https://feryn.eu/presentations/accelerate-your-kubernetes-clusters-with-varnish-caching-k8sug-singapore-28-2024 for more details.
10 things that helped me advance my career - PHP UK Conference 2024Thijs Feryn
Slides for my opening keynote at the PHP UK Conference 2024 in London.
See https://feryn.eu/presentations/10-things-that-helped-me-advance-my-career-php-uk-conference-2024 for more information and the video footage
Distributed load testing with K6 - NDC London 2024Thijs Feryn
This presentation at NDC London 2024 is about the K6 load testing tool. It features the basics, but also explains how you can use it to perform distributed load testing and store test results in Prometheus.
See https://feryn.eu/presentations/distributed-load-testing-k6-ndc-london-2024 for more information.
Slides for my "Living on the edge" presentation at the EBU Horizons 2023 Conference in Geneva (Switzerland).
The subtitle for this presentation is "leveraging satellites, 5G networks and edgecasting for smarter content delivery".
See https://feryn.eu/speaking/living-on-the-edge-ebu-horizons-23/ for more information.
Distributed Load Testing with k6 - DevOps BarcelonaThijs Feryn
Slides for My "Distributed Load Testing with k6" presentation at DevOps Barcelona 2023.
In this presentation I introduce k6, the open source load testing tool by Grafana Labs.
I show how to write tests in Javascript, how to run the tests using the CLI tools and how to measure the right results and configure the right checks, metrics & thresholds.
In terms of distributed testing, I also talk about the built-in API that allows you to remotely trigger tests from different machines and how to centralize and visualize real-time metrics using Prometheus and Grafana.
See https://feryn.eu/speaking/distributed-load-testing-k6-devops-barcelona-23/ for more information.
Core web vitals meten om je site sneller te maken - Combell Partner Day 2023Thijs Feryn
Slides for my presentation at the Combell Partner Day 2023 in Gent (Belgium).
See https://feryn.eu/speaking/core-web-vitals-meten-om-je-site-sneller-te-maken-combell-partner-day-2023/ for more details about the event.
Slides for my k6 load testing presentation at Confoo 2023 in Montreal Canada.
See https://feryn.eu/speaking/distributed-load-testing-k6-confoo23/ for more information.
HTTP logging met Varnishlog - PHPWVL 2022Thijs Feryn
This document discusses HTTP logging and Varnish log formats. It provides examples of Varnish log output showing request information like IP address, request method, URL, status code, timestamp and more. It also covers Varnish log filtering techniques like grouping transactions, including/excluding tags, and using Varnishlog queries.
Build your own CDN with Varnish - Confoo 2022Thijs Feryn
Slides for my Confoo 2022 presentation on how to create your own Content Delivery Network using Varnish.
See https://feryn.eu/speaking/build-cdn-varnish-confoo22/ for more information
This document discusses developing cacheable backend applications. It covers topics like identifying slow parts of an application to optimize, using caching to improve performance once optimization limits are reached, different HTTP caching mechanisms, conditional requests to only fetch changed data, edge caching with reverse proxies, content composition with placeholders, cache variations based on request headers, purging cached content, and strategies when caching HTTP responses is not possible. The target is to design software with caching in mind from the start for improved control and consistent caching behavior.
How Cloud addresses the needs of todays internet - Korazon 2018Thijs Feryn
Corporate presentation for Korazon.
In this talk I give a behind-the-scenes look at what the Cloud is about in 2018. From basic terms like SaaS, PaaS, IaaS, to cutting-edge technology like Kubernetes and the Cloud Native Computing Foundation.
This talk is about modern Cloud technology for non-technical people.
See https://feryn.eu/speaking/how-cloud-addresses-the-needs-of-todays-internet-korazon-2018/ for more information about this presentation.
In this presentation, I show the audience how to implement HTTP caching best practices in a non-intrusive way in PHP Symfony 4 code base.
This presentation focuses on topics like:
- Caching using cache-control headers
- Cache variations using the Vary header
- Conditional requests using headers like ETag & If-None-Match
- ESI discovery & parsing using headers like Surrogate-Capability & Surrogate-Control
- Caching stateful content using JSON Web Token Validation in Varnish
More information about this presentation is available at https://feryn.eu/speaking/developing-cacheable-php-applications-php-limburg-be/
More information about this HTTP caching talk can be found on https://feryn.eu/speaking/leverage-http-to-deliver-cacheable-websites-codemotion-rome-2018/
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Similar to HTTP headers that make your website go faster - devs.gent November 2023
A common request sent from your web browser to a web server goes quite a long way and it can take a great deal of time until the data your browser can display are fetched back. I will talk about making this great deal of time significantly less great by caching things on different levels, starting with client-side caching for faster display and minimizing transferred data, storing results of already performed operations and computations and finishing with lowering the load of database servers by caching result sets. Cache expiration and invalidation is the hardest part so I will cover that too. Presentation will be focused mainly on PHP, but most of the principles are quite general work elsewhere too.
Content caching is one of the most effective ways to dramatically improve the performance of a web site. In this webinar, we’ll deep-dive into NGINX’s caching abilities and investigate the architecture used, debugging techniques and advanced configuration. By the end of the webinar, you’ll be well equipped to configure NGINX to cache content exactly as you need.
View full webinar on demand at http://nginx.com/resources/webinars/content-caching-nginx/
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This document discusses using NGINX to deliver high performance applications through efficient caching. It explains that NGINX can be used as a web server, load balancer, and high availability content cache to provide low latency, scalability, availability and reduced costs. Specific NGINX caching configurations like proxy_cache, proxy_cache_valid and proxy_cache_background_update are described. Microcaching optimizations with NGINX are also covered, showing significant performance improvements over Apache+WordPress and a reverse proxy only setup.
This document discusses strategies for improving mobile application performance through caching and reducing API requests. It recommends caching responses from APIs and content delivery networks to reduce load on servers. Developer should add Cache-Control headers to responses to ensure caching by clients. The document also provides tips for organizing files in Amazon S3 buckets to optimize storage and retrieval performance.
The document discusses performance tuning of Alfresco. It covers JVM tuning including memory and garbage collection settings. It also discusses analyzing garbage collection logs and common problems. The document outlines different cache mechanisms in Alfresco including L1, L2 caches and Hazelcast caching. Tuning caches based on data change frequency and hit ratios is recommended. Finally, the document provides guidance on investigating performance issues by examining logs, threads, databases, storage and Alfresco/Solr configurations and settings.
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Traditionally, content delivery networks (CDNs) were known to accelerate static content. Amazon CloudFront has come a long way and now supports delivery of entire websites that include dynamic and static content. In this session, we introduce you to CloudFront’s dynamic delivery features that help improve the performance, scalability, and availability of your website while helping you lower your costs. We talk about architectural patterns such as SSL termination, close proximity connection termination, origin offload with keep-alive connections, and last-mile latency improvement. Also learn how to take advantage of Amazon Route 53's health check, automatic failover, and latency-based routing to build highly available web apps on AWS.
This document discusses HDInsight interactive query architecture and performance. It summarizes that:
1. HDInsight uses LLAP (Low Latency Analytical Processing) clusters to serve queries directly from Azure blob storage and data lake store for fast performance on text data.
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In terms of distributed testing, I also talk about the built-in API that allows you to remotely trigger tests from different machines and how to centralize and visualize real-time metrics using Prometheus and Grafana.
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In this talk I give a behind-the-scenes look at what the Cloud is about in 2018. From basic terms like SaaS, PaaS, IaaS, to cutting-edge technology like Kubernetes and the Cloud Native Computing Foundation.
This talk is about modern Cloud technology for non-technical people.
See https://feryn.eu/speaking/how-cloud-addresses-the-needs-of-todays-internet-korazon-2018/ for more information about this presentation.
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This presentation focuses on topics like:
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- Cache variations using the Vary header
- Conditional requests using headers like ETag & If-None-Match
- ESI discovery & parsing using headers like Surrogate-Capability & Surrogate-Control
- Caching stateful content using JSON Web Token Validation in Varnish
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Skybuffer SAM4U tool for SAP license adoptionTatiana Kojar
Manage and optimize your license adoption and consumption with SAM4U, an SAP free customer software asset management tool.
SAM4U, an SAP complimentary software asset management tool for customers, delivers a detailed and well-structured overview of license inventory and usage with a user-friendly interface. We offer a hosted, cost-effective, and performance-optimized SAM4U setup in the Skybuffer Cloud environment. You retain ownership of the system and data, while we manage the ABAP 7.58 infrastructure, ensuring fixed Total Cost of Ownership (TCO) and exceptional services through the SAP Fiori interface.
For the full video of this presentation, please visit: https://www.edge-ai-vision.com/2024/06/temporal-event-neural-networks-a-more-efficient-alternative-to-the-transformer-a-presentation-from-brainchip/
Chris Jones, Director of Product Management at BrainChip , presents the “Temporal Event Neural Networks: A More Efficient Alternative to the Transformer” tutorial at the May 2024 Embedded Vision Summit.
The expansion of AI services necessitates enhanced computational capabilities on edge devices. Temporal Event Neural Networks (TENNs), developed by BrainChip, represent a novel and highly efficient state-space network. TENNs demonstrate exceptional proficiency in handling multi-dimensional streaming data, facilitating advancements in object detection, action recognition, speech enhancement and language model/sequence generation. Through the utilization of polynomial-based continuous convolutions, TENNs streamline models, expedite training processes and significantly diminish memory requirements, achieving notable reductions of up to 50x in parameters and 5,000x in energy consumption compared to prevailing methodologies like transformers.
Integration with BrainChip’s Akida neuromorphic hardware IP further enhances TENNs’ capabilities, enabling the realization of highly capable, portable and passively cooled edge devices. This presentation delves into the technical innovations underlying TENNs, presents real-world benchmarks, and elucidates how this cutting-edge approach is positioned to revolutionize edge AI across diverse applications.
Building Production Ready Search Pipelines with Spark and MilvusZilliz
Spark is the widely used ETL tool for processing, indexing and ingesting data to serving stack for search. Milvus is the production-ready open-source vector database. In this talk we will show how to use Spark to process unstructured data to extract vector representations, and push the vectors to Milvus vector database for search serving.
Best 20 SEO Techniques To Improve Website Visibility In SERPPixlogix Infotech
Boost your website's visibility with proven SEO techniques! Our latest blog dives into essential strategies to enhance your online presence, increase traffic, and rank higher on search engines. From keyword optimization to quality content creation, learn how to make your site stand out in the crowded digital landscape. Discover actionable tips and expert insights to elevate your SEO game.
TrustArc Webinar - 2024 Global Privacy SurveyTrustArc
How does your privacy program stack up against your peers? What challenges are privacy teams tackling and prioritizing in 2024?
In the fifth annual Global Privacy Benchmarks Survey, we asked over 1,800 global privacy professionals and business executives to share their perspectives on the current state of privacy inside and outside of their organizations. This year’s report focused on emerging areas of importance for privacy and compliance professionals, including considerations and implications of Artificial Intelligence (AI) technologies, building brand trust, and different approaches for achieving higher privacy competence scores.
See how organizational priorities and strategic approaches to data security and privacy are evolving around the globe.
This webinar will review:
- The top 10 privacy insights from the fifth annual Global Privacy Benchmarks Survey
- The top challenges for privacy leaders, practitioners, and organizations in 2024
- Key themes to consider in developing and maintaining your privacy program
FREE A4 Cyber Security Awareness Posters-Social Engineering part 3Data Hops
Free A4 downloadable and printable Cyber Security, Social Engineering Safety and security Training Posters . Promote security awareness in the home or workplace. Lock them Out From training providers datahops.com
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