The Staged Event-Driven Architecture (SEDA) is a new design for building scalable Internet services. SEDA has three major goals: To support massive concurrency, on the order of tens of thousands of clients per node To exhibit robust performance under wide variations in load and, To simplify the design of complex Internet services. SEDA decomposes a complex, event-driven application into a set of stages connected by queues. This design avoids the high overhead associated with thread-based concurrency models, and decouples event and thread scheduling from application logic. SEDA enables services to be well-conditioned to load, preventing resources from being overcommitted when demand exceeds service capacity. Decomposing services into a set of stages also enables modularity and code reuse, as well as the development of debugging tools for complex event-driven applications.
標(biāo)簽： Event-Driven Architecture Internet building
上傳時間： 2015-09-28
上傳用戶：日光微瀾
OReilly.Ajax.on.Rails.Dec.2006. ISBN-10: 0-596-52744-6. Learn to build dynamic, interactive web applications using the two most important approaches to web development today: Ajax and the phenomenally efficient Ruby on Rails platform. This book teaches intermediate to advanced web developers how to use both Ajax and Rails to quickly build high-performance, scalable applications without being overwhelmed with thousands of lines of JavaScript code. More than just recipes, you also get a thorough, low-level understanding of what s happening under the hood.
標(biāo)簽： interactive OReilly dynamic 52744
上傳時間： 2015-10-07
上傳用戶：獨孤求源
Embest Arm EduKit II Evaluation Board External Interrupt Test Example Please Select the trigger: 1 - Falling trigger 2 - Rising trigger 3 - Both Edge trigger 4 - Low level trigger 5 - High level trigger any key to exit... Press the buttons push buttons may have glitch noise problem EINT6 had been occured... LED1 (D1204) on
標(biāo)簽： Evaluation Interrupt External Example
上傳時間： 2015-10-08
上傳用戶：Altman
Absolute Database 5.12 src. Absolute Database lets you forget the Borland Database Engine (BDE). This BDE replacement is the compact, high-speed, robust and easy-to-use database engine. With Absolute Database you will not need special installation and configuration, it compiles right into your EXE. Make your application faster and smaller with Absolute Database BDE alternative!
標(biāo)簽： Database Absolute Borland forget
上傳時間： 2013-12-19
上傳用戶：海陸空653
Here s the code! Too many people ask for this Using this code you can save an image item as a jpeg image, specifying the quality of it. Jpeg quality is the same as compression so the lower the quality, the smaller the file size. It s simple to use
標(biāo)簽： code this people Using
上傳時間： 2013-12-07
上傳用戶：米卡
penMesh is a generic and efficient data structure for representing and manipulating polygonal meshes. OpenMesh is developed at the Computer Graphics Group, RWTH Aachen , as part of the OpenSGPlus project, is funded by the German Ministry for Research and Education ( BMBF), and will serve as geometry kernel upon which the so-called high level primitives (e.g. subdivision surfaces or progressive meshes) of OpenSGPlus are built. It was designed with the following goals in mind : Flexibility : provide a basis for many different algorithms without the need for adaptation. Efficiency : maximize time efficiency while keeping memory usage as low as possible. Ease of use : wrap complex internal structure in an easy-to-use interface.
標(biāo)簽： manipulating representing and efficient
上傳時間： 2015-10-14
上傳用戶：米卡
This paper studies the problem of categorical data clustering, especially for transactional data characterized by high dimensionality and large volume. Starting from a heuristic method of increasing the height-to-width ratio of the cluster histogram, we develop a novel algorithm – CLOPE, which is very fast and scalable, while being quite effective. We demonstrate the performance of our algorithm on two real world
標(biāo)簽： data transactional categorical clustering
上傳時間： 2015-10-24
上傳用戶：evil
In this first-ever paperback edition of his long-time best-seller, motivational speaker Steve Chandler helps you create an action plan for living your vision in business and in life. It features 100 proven methods to positively change the way you think and act-methods based on feedback from the hundreds of thousands of corporate and public seminar attendees Chandler speaks to each year. 100 Ways to Motivate Yourself will help you break through the negative barriers and banish the pessimistic thoughts that are preventing you from fulfilling your lifelong goals and dreams. Whether you re self-employed, a manager, or a high-level executive, it s still easy to get stuck in the daily routines of life, fantasizing about what could have been. Steve Chandler helps you turn that way of thinking around and make what could have been into what can and will be.
標(biāo)簽： motivational best-seller first-ever paperback
上傳時間： 2015-10-26
上傳用戶：牛津鞋
bamboo MIT一個p2p的dht實現(xiàn)，基于pastry和tapestry，有很強的抗干擾能力(high churn)
上傳時間： 2013-12-11
上傳用戶：清風(fēng)冷雨
t transistor has the characteristics of components of the sensor real-time measurement of voltage and current signals through, obtained quality factor correction circuit for the feedback and the feedback time, IBM used the feedback field effect transistor implementation, in order to achieve quality factor correction circ
標(biāo)簽： characteristics measurement transistor components
上傳時間： 2014-12-22
上傳用戶：杜瑩12345
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