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Distributed systems for fun and profit
Availability is in some sense a much wider concept than uptime, since the availability of a service can also be affected by, say, a network outage or the company owning the service going out of business (which would be a factor which is not really relevant to fault tolerance but would still influence the availability of the system). But without knowing every single specific aspect of the system, t
The UC Berkeley/Stanford Recovery-Oriented Computing (ROC) Project
The Berkeley/Stanford Recovery-Oriented Computing (ROC) Project The Recovery-Oriented Computing (ROC) project is a joint Berkeley/Stanford research project that is investigating novel techniques for building highly-dependable Internet services. Read an overview of our research into Recovery-Oriented Computing. Quick navigate to: [ Research | People | Publications | Talks | Retreats | Internal ] RO
Cloud Application Platform | Heroku
Move Fast Unleash your inner startup Choose Heroku for the same reasons disruptive startups do: it’s the best platform for building with modern architectures, innovating quickly, and scaling precisely to meet demand. Developers Focus on your apps Invest in apps, not ops. Heroku handles the hard stuff — patching and upgrading, 24/7 ops and security, build systems, failovers, and more — so your deve
MDCC: Multi-Data Center Consistency
A new commit protocol and transaction programming model for efficiently achieving strong consistency in databases across data centers. With the emergence of cloud services, distributed databases have benefited from many of the advantages of deploying on a clusters of machines. However, entire data centers of machines can fail. Here are just a few recent data center failures, and one even losing cu
Homepage | Celery: Distributed Task Queue
This document describes the current stable version of Celery (5.3). For development docs, go here. Celery - Distributed Task Queue¶ Celery is a simple, flexible, and reliable distributed system to process vast amounts of messages, while providing operations with the tools required to maintain such a system. It’s a task queue with focus on real-time processing, while also supporting task scheduling
コンピュータアーキテクチャの話 Hisa Ando | コラム | エンタープライズ | マイコミジャーナル
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The LMAX Architecture
LMAX is a new retail financial trading platform. As a result it has to process many trades with low latency. The system is built on the JVM platform and centers on a Business Logic Processor that can handle 6 million orders per second on a single thread. The Business Logic Processor runs entirely in-memory using event sourcing. The Business Logic Processor is surrounded by Disruptors - a concurren
http://www.osrg.net/accord/
Accord: A high-performance coordination service for write-intensive workloads Overview Accord is a high-performance coordination service like Apache ZooKeeper that uses Corosync Cluster Engine as a total-order messaging infrastructure. It features: Accord is a distributed, transactional, and fully-replicated (No SPoF) Key-Value Store with strong consistency. Accord can be scale-out up to tens of n
IA-32 SIMDの扉
SIMD命令およびアセンブラの基礎 SIMDとは 用語集 開発環境 アセンブラの基礎知識 x87 FPU命令を使用したプログラミング CPUの識別 メモリアドレスのアライメント ラップアラウンド算術と飽和算術 SIMD命令セットの分類と歴史 SIMD命令セットの記述方法 SIMD命令セットの概要 MMX命令セットの概要 SSE命令セットの概要 SSE2命令セットの概要 SSE3命令セットの概要 SSE4命令セットの概要 命令リファレンス データ転送命令 算術命令 比較命令 論理演算命令 シフト命令 シャッフル命令 パックおよびアンパック命令 変換命令 挿入および抽出命令 ブレンド命令 丸め命令 キャッシュ制御命令 その他の命令 プログラミング例 画像処理 音声信号処理 参考資料 参考資料 トップSIMDの扉
究極のLinux機！スパコン世界一「京」の全貌
2011年6月に世界最速として認定されたスーパーコンピュータ「京」。Linuxを搭載したスパコンでどうやって最速を実現したのか――。OSやミドルウエアを改良し、独自ハードウエアの性能を最大限にまで引き出せるようにしたシステムの内部を徹底解説する。 目次
Microsoft Kernel Engineers Talk About Windows 7’s Kernel – OSnews
Home > Windows > Microsoft Kernel Engineers Talk About Windows 7’s Kernel Microsoft’s Professional Developers Conference is currently under way, and as usual, the technical fellows at Microsoft gave speeches about the deep architecture of Windows – in this case, Windows 7 of course. As it turns out, quite some seriously impressive changes have been made to the very core of Windows – all without br
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Huge pages part 1 (Introduction) [LWN.net]
Please consider subscribing to LWNSubscriptions are the lifeblood of LWN.net. If you appreciate this content and would like to see more of it, your subscription will help to ensure that LWN continues to thrive. Please visit this page to join up and keep LWN on the net. [Editor's note: this article is the first in a five-part series on the use of huge pages with Linux. We are most fortunate to have
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bitly/nsq · GitHub - A realtime distributed messaging platform
Intel's Sandy Bridge I. Architecture & CPU Performance - L O S T C I R C U I T S
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x86やx64における最適化まとめ - ずmemo
CS612: Software Design for High-performance Architectures