18 April 2014

The Ruby Reflector

Topic

Squid cache

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By Joey of Global Nerdy over 1 year ago.
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…purported to be a rejection letter from the 1970s. According to Laughing Squid's blog , a Redditor's uncle submitted nude photos to various women's magazines , and this was Playgirl's response.

As Mobile As It Gets

When I graduated with my computer science degree from Crazy Go Nuts University in 1994, most of the developer jobs seemed to be for banks and insurance companies, and they didn't interest me. Instead, I opted to join …

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On paperplanes 2 years ago.
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The ideas behind Varnish, why Squid's way is outdated, and a perspective on great uses of memory-mapped files. Short and self-congratulatory read.

The LMAX Architecture

After reading this, you'll have a different perspective on things when it comes to building high-throughput systems. LMAX is a real-time trading site, and this article describes how they built the service that manages millions of trades per second. Other than your typical architecture description on …

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By Matt Aimonetti of Merbist almost 3 years ago.
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…page is displayed. The advantage is that now the full page can be cached in Varnish (or Squid or whatever you use for HTTP caching). To inject the user content, the easiest way is to use JavaScript.

Let's stay on CinemaTreasures, when you're logged in, the username is shown on the top of each page:

Once logged in, the username is displayed on all pages

The only things that differs from the page rendered when the user is not logged in and when he is, are these 2 links and …

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By Matt Aimonetti of Merbist 3 years ago.
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…layers of caching and use technologies such as query caching, Varnish, Squid, Memcached, memorization, etc...

The problem is that, as your system gets more traffic, you will notice that the volume of DB/network writes becomes your bottleneck. You will also notice a reduction of your cache/hit ratio because only a small part of your cached data is often retrieved by many clients. At this point, you will need to denormalize to avoid contention, shard your data in silos, or write to cache …

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By Trevor of Trevor Turk over 3 years ago.
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…prefixes ( such as _small, _medium ) and apply other rmagick effects. Supposed to be used between a Squid/ Varnish and S3

ifunk/swfupload-jquery-plugin - GitHub

A jQuery plugin that makes working with SWFUpload even easier.

lardawge/swfupload-rails-authentication - GitHub

Demo Rails 3 app showing SWFUpload working in tandem with restful-authentication, CSRF protection and paperclip.

kabuki/heresy - GitHub

Heresy is a schema free wrapper around …

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By Joey of Global Nerdy over 3 years ago.
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…psychological approach to puzzle design using examples from popular games, Spooky Squid's own Guerilla Gardening, and a simple thought experiment involving pet goats.

Torontron: Legacy

Jph Wacheski will be providing information and details of the process of finding and retrofitting old arcade machines to play new indie games. From hacking the hardware to house the electronics, to wiring up the controls, and modifying software, all question answered. …

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…comprehensive knowledge of a broad variety of system tools, from MySQL and Nginx to Squid and Memcached. You should also have strong software development skills and be well-versed in major programming languages. You should be strongly motivated, a creative solution finder, and ready to jump into the thorniest technical problems whenever necessary.

Responsibilities

Develop and maintain all aspects of Scribd's operations infrastructure, including system monitoring, backups, server …

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On Axon Flux // A Ruby on Rails Blog over 3 years ago.
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Squid knows nothing about this, for squid it was just a single normal memory acces.

So now squid has the object in a page in RAM and written to the disk two places: one copy in the operating systems paging space and one copy in the filesystem.

Squid now uses this RAM for something else but after some time, the HTTP object gets a hit, so squid needs it back.

First squid needs some RAM, so it may decide to push another HTTP object out to disk (repeat above), then it reads the filesystem …

axonflux.com Read
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…decisions. Most of those proxies try to do everything. I think there are probably configuration options in Squid that would get it to cook breakfast for me. Traffic Server probably won't cook breakfast for me, yet, but it will make the bed, and somewhere in the TODO, I'm sure they have plans to allow for it to make breakfast, too, if you can figure out how to configure it. Varnish is one of the fastest proxies, and it gets its speed, in large part, because it won't make the …

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By Peter Cooper of Rails Inside 4 years ago.
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Dragonfly is meant to be used behind a cache-proxy such as Varnish, Squid or Rack::Cache, so that while the first request may take some time, subsequent requests should be super-quick!

Take a look at the bamboo blog post for an introduction, or else check out the code and the documentation

[post by] Mark Evans , a web developer at New Bamboo who writes Ruby and Javascript by day and spends the rest of the time running around like a headless …

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