Name: VSL Queries
Start: 2023-11-28T02:10:00Z
End: 2023-11-28T02:10:23.000Z
Location: BrightTALK
Rating: 0

Varnish Software’s powerful caching technology helps the world’s biggest content providers deliver lightning-fast web and streaming experiences for huge audiences, without downtime or performance loss.

Explore the transformative impact of edge computing in our upcoming webinar. We'll focus on how performance needs are driving workloads to the network edge, in the hunt for high-quality, lower cost service at scale.

This move is vital for latency-sensitive, bandwidth-intensive tasks, but requires infrastructure that meets performance, compute, scalability, and flexibility demands. Discover how recent hardware and software advancements, including those from Varnish Software in partnership with Intel, are making edge delivery both cost-effective and efficient, with breakthroughs in throughput and energy savings.

Our session will delve into the critical shift of compute resources to the edge, the latest hardware innovations supporting high-performance edge computing, and the crucial role of content delivery software. We'll also discuss the importance of scalability and flexibility in managing edge-based web services. Join us to gain a comprehensive understanding of edge computing's role in enhancing web performance, and its future potential in the technology landscape.

Delivering Powerful Web Functionality at the Edge

Almost all organizations rely on some form of content delivery. From websites to media to software. The transfer of data, internally and externally, over HTTP has been critical to the digital transformation of every industry. Historically, organizations turned to Content Delivery Networks (CDN) to serve these needs, however, the CDN market is consolidating as service providers of every size struggle to monetize traditional infrastructure that once was modern. 


All organizations that currently rely on CDNs need to take a very close look at what their options are if their primary CDN decides to exit the market. Due to advancements in Content Delivery Software (CDS), organizations that currently rely on traditional or modern CDNs should consider adding Private Content Delivery. This webinar will define the components of a CDN, and how advancements in servers, Infrastructure-as-a-Service (IaaS), and content delivery software now enable cost-effective, easier to manage private content delivery.

What Private Content Delivery is and Why it Matters

Whether you’re using Varnish Cache to speed up your own website, deploying Varnish Enterprise on a large-scale streaming operation, caching large objects, or computing at the edge, it’s important to dial into proven caching best practices to maximize your investment.

In this vein, Thijs Feryn and Arianna Aondio of Varnish Software share with you 10 crucial tips, tricks, and best practices that, once utilized, will immediately add value to your Varnish setup. Tune into this webinar session to glean these takeaways, which include:

- How to benefit from built-in VCL
- Avoiding misconfigured memory
- Why you shouldn’t set your TTL to zero
- And more!

Website Caching: 10 Best Practices & Pitfalls to Avoid

In this episode, Varnish Core Developer, Pål Hermunn Johansen will dive into cache effectiveness beyond hits and misses, including pass and synth. Learn how to optimize your hit rate and cache effectiveness in under 30 minutes.

Cache Effectiveness Beyond Hit & Misses

For the financial sector, out-of-date content, including incorrect trading and banking information is unacceptable. By not showing the most up to date content there is the risk of both enforcement actions by regulators as well as reputational damage in the eyes of customers and investors.

Caching the right content is a crucial part of web acceleration and content delivery solutions. However, keeping objects in the cache for too long can have even more severe consequences. Data inconsistency being one of them.

Leveraging cache invalidation helps businesses to stay compliant with EFTA & Regulation E, avoiding the risk of fines and fees, and even criminal liability in some cases.

Join our webinar on Thursday, September 28th to learn how to enhance your cache invalidation strategy to stay compliant and reduce costs.

Leveraging Cache Invalidation for Dynamic Financial Information

In this monthly series, Varnish Software Technical Evangelist, Thijs Feryn will call Varnish Core Developer, Pål Hermunn Johansen and ask for his wisdom on a variety of technical subjects ranging from dynamic backends to the PROXY Protocol. 

Today we're reviewing the following versions of Varnish Open Source LTS Version.

Varnish Enterprise 6.0.11r4

The supportive Varnish Cache community is always on hand to help others raise their Varnish game. Whether it’s answering questions on forums or chatting in the Varnish Cache Community group, Varnish experts are always happy to help others achieve their caching goals.

Stack Overflow is a popular place for asking questions about Varnish, so we thought: why not get some of the world’s leading experts on Varnish to answer some of the most pressing queries?

Join us for this talk where Varnish Core Developer, Pål Hermunn Johansen and Varnish Software Technical Evangelist, Thijs Feryn will be addressing common questions about Varnish Cache, sourced directly from Stack Overflow. We’d be delighted to see you! 

Don’t miss this opportunity to learn key tricks, maximize the performance of your Varnish setup and get one step closer to Varnish virtuosity!

A Varnish Core Developer Answers The Top Stack Overflow Questions

Did you know that removing objects from the cache is just as important as storing objects in the cache? Keeping objects in the cache for too long can result in data inconsistency.  Imagine breaking news not ending up on a news websites because the homepage is cached. 

Luckily Varnish has some built-in invalidation mechanisms to allow applications to forcefully remove objects from the cache. 
 
In this webinar we'll talk about: 
 - Purging
 - Soft purging
 - Banning
 - Secondary key

Cache Invalidation: What it is and How to Implement It

Varnish has become an industry standard for caching and web acceleration. As a side-effect of this, it comes with some excellent tools for logging. In this presentation we’ll use tools like varnishlog, varnishtop and varnishncsa to get some advanced insights on the HTTP traffic patterns of your web platforms. We’ll also take the Apache log format that most are familiar with to a whole other level and perform request and response introspection, get speed and latency measurements, perform advanced content filtering and get statistics on connections, request and response details. Even if you’re not planning to cache anything, Varnish could be an excellent tool for logging at large scale.


In this webinar, you'll learn:
- How to use logs for advanced insight on HTTP traffic patterns
- How to perform request and response introspection
- How to get speed and latency measurements
- And more!

Advanced HTTP Logging with Varnish Software

Transport Layer Security, TLS, is a standard security protocol for establishing an encrypted link between a server and a client. TLS allows sensitive data (like your financial information, personal data, etc.) to be transmitted securely.

There are several ways to set up and configure TLS in Varnish. Join us in this webinar where we'll show you:
• How to terminate TLS in Varnish Cache by leveraging the PROXY protocol
• You’ll also learn about native TLS support in Varnish Enterprise + how to manage certificates 
• And various Varnish modules to obtain TLS information in VCL

Securing Your Site: Setting up TLS in Varnish

Varnish is the world's most powerful and flexible HTTP cache that is used to accelerate more than 10 million websites globally. A big part of its attraction, besides its industry leading performance, is the Varnish Configuration Language (VCL).

VCL is a domain-specific programming language that powers Varnish. It is used to configure the caching policies and to control the way Varnish interacts with both the client and the origin web server.

Having a full-blown programming language to describe the configuration of your cache gives you unparalleled flexibility to tune the behavior of the cache to your exact needs.

In this webinar you will learn the basic syntax of VCL, the way VCL controls the behavior of Varnish and some common use cases.

We'll teach you how to inspect and modify incoming requests, create policies to bypass the cache, control the time to live of cached objects, modify responses, manage cache variations, make decisions on the edge and many other tips and tricks that allow you to go beyond the capabilities of HTTP's built-in caching mechanisms.

Thanks to VCL and the rich ecosystem of Varnish modules (VMODs) you can go from caching on the edge  with Varnish to full-blown edge compute.

Varnish Configuration Language 101: Basic Controls, Use Cases, & Benefits

We'll talk about varnishncsa, a tool that produces Varnish logs in the NCSA-style log format.

Varnish Logs with Varnishcsa: 2 Minute Tech Breakdown

We'll use Varnish as an authentication gateway to handle basic authentication.

Basic Authentication: 2 Minute Tech Breakdown

Load balancing allows Varnish to distribute backend requests to multiple backend servers. This video shows how to leverage the "directors" VMOD to distribute the load using various distribution algorithms.

Load Balancing - Distributing Backend Requests: 2 Minute Tech Breakdown

Transports client connection information across multiple proxy servers. It is used by Varnish to facilitate TLS termination.

Using Proxy Protocol to Transport Information - Two Minute Tech Breakdown

Hitch, an open source TLS proxy we develop and maintain. Hitch can be used to terminate TLS, which is especially useful if you're using Varnish Cache.

Using Hitch to Terminate TLS with Varnish - Two Minute Tech Breakdown

The built-in VCL is the VCL code that is executed by default even if you don't write any VCL yourself.

Built-in VCL (Varnish Configuration Language) - Two Minute Tech Breakdowns

Better Call Pål

In this episode, Varnish Core Developer, Pål Hermunn Johansen and Varnish Technical Evangelist, Thijs Feryn will dive into Varnish Shared Memory Log (VSL) queries, and how to match the right logging transactions using VSL’s built-in query language.

VSL Queries

Developers

caching

Website Performance

Website Security

Content Delivery

query language

Enterprise Applications

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Information Technology

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