A Firefox extension that enables Chromecast support for casting web apps (like YouTube, Netflix or BBC iPlayer) and HTML5 media. Requires a companion bridge application to connect with receiver devices. Currently supported on Windows, macOS and Linux. The current v0.x.x releases are incomplete and may be unstable. Sites with Chromecast support For sites with built-in Chromecast support, the site m
By Andy Glover and Katharina Probst Over the past four years, Netflix has gone from less than 50 Million subscribers to 125 Million subscribers. While this kind of growth has caused us no shortage of scaling challenges, we actually managed to improve the overall availability of our service in that time frame. Along the way, we have learned a lot and now have a much better understanding of what it
Today Twitch is releasing an RPC framework we use for communication between backend servers written in Go. It’s called Twirp, and it’s available now under an Apache 2 open source license. Twirp has been tremendously successful at Twitch — it has grown in usage exponentially, roughly tripling every three months as more and more internal teams continue to adopt it due to its advantages over “REST” A
Surge 2014: From Clouds to Roots: root cause performance analysis at Netflix. Brendan Gregg. At Netflix, high scale and fast deployment rule. The possibilities for failure are endless, and the environment excels at handling this, regularly tested and exercised by the simian army. But, when this environment automatically works around systemic issues that aren’t root-caused, they can grow over time.
Command Line mitmproxy is your swiss-army knife for debugging, testing, privacy measurements, and penetration testing. It can be used to intercept, inspect, modify and replay web traffic such as HTTP/1, HTTP/2, HTTP/3, WebSockets, or any other SSL/TLS-protected protocols. You can prettify and decode a variety of message types ranging from HTML to Protobuf, intercept specific messages on-the-fly, m
Announcing Prometheus 2.0 Nearly one and a half years ago, we released Prometheus 1.0 into the wild. The release marked a significant milestone for the project. We had reached a broad set of features that make up Prometheus' simple yet extremely powerful monitoring philosophy. Since then we added and improved on various service discovery integrations, extended PromQL, and experimented with a first
This project provides a convenient way to replicate values from one Consul datacenter to another using the consul-replicate daemon. The daemon consul-replicate integrates with Consul to perform cross-data-center K/V replication. This makes it possible to manage application configuration from a central data center, with low-latency asynchronous replication to other data centers, thus avoiding the n
Overview of Twitter Fleet Twitter came of age when hardware from physical enterprise vendors ruled the data center. Since then we’ve continually engineered and refreshed our fleet to take advantage of the latest open standards in technology and hardware efficiency in order to deliver the best possible experience. Our current distribution of hardware is shown below: Network Traffic We started to mi
2. Most of our systems are big “Future transformers” - Marius Eriksen 3. predictable performance is difficult to achieve. In a predictable system, worst-case performance is crucial; average performance not so much. ... predictable performance is difficult to achieve. In a predictable system, worst-case performance is crucial; average performance not so much. - Peter Schuller 4. predictable perform
徹底比較！ 運用監視を自動化するオープンソースソフトウェア10製品の特徴、メリット・デメリットをひとまとめ：特集：運用自動化ツールで実現する、クラウド時代の運用スタイル（2）（1/12 ページ） 運用自動化のポイントを深掘りする本特集。今回は「個々の作業項目の自動化」に焦点を当て、「Zabbix」「JobScheduler」「Sensu」など、運用・監視系の主要OSS、10種類の特徴、使い方などを徹底解説する。 前回は、運用自動化が多くの一般企業に浸透しつつある現状と、運用自動化ツールの導入・活用のステップを紹介した。ポイントとなるのは、サーバー監視、ネットワーク監視といった「個々の運用管理作業の自動化」と、それらをつなぎ合わせた「個々の運用管理作業を連携させた自動化」の実現だ。今回はこの第一ステップとなる「個々の運用管理作業の自動化」に焦点を当て、多くの企業の注目を集めている、10種類の
One of the most interesting items I noticed while digging around in Android 5.1 on my Google Nexus 6 by Motorola was a new system application called “Google Connectivity Services.” To find this app, just navigate to Settings > Apps > All, scroll down, and there it is: It is possible to launch this app, but it takes even more digging. You need to actually launch this activity: com.google.android.ap
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