高并发

分析和研究了针对大容量、多连接、高并发的网络应用服务系统应采用何种底层网络IO结构。

As for the large-capacity , multi-connection and highly concurrent network application service system , the possible bottom-level network IO structures are analyzed and researched .

高并发事件驱动服务器研究

A Study of Highly Concurrent Event-Driven Servers

部署在Linux系统下的B/S系统在高并发的应用环境中往往会产生2种类型的服务瓶颈问题。

A high load B / S application running in Linux environment will bring two kinds of performance issues .

本文最后对所做工作进行了总结并对高并发Web系统性能优化研究方向以及用户身份认证机制研究前景进行了展望。

Finally , this paper summarized the work and look forward to the research direction of high concurrent Web system performance optimization and prospect for the user identity authentication mechanism .

基于高并发及大数据量的B2B商务系统的设计与实现

The design and implementation of B2B business systems based on high-concurrency and mass data

随着Internet的发展，网络用户日益增加，需要服务器系统具有处理高并发访问的能力。

With the development of the Internet , the number of network users gradually increase . Thus , a server system that is able to cope with the mass concurrence accessing is needed .

WebSphereCommerce工作负载可从提供高并发性和快速访问大量RAM的处理器架构中获益。

WebSphere Commerce workloads benefit from processor architectures that provide for a high degree of concurrency and fast access to large amounts of RAM .

随之而来，高并发、高流量、数据量大的网络新特性使得Web已经成为Intenet应用的瓶颈，研究Web加速具有重要意义。

The consequent new features of high concurrency , high traffic and large amount of data make Web become a bottleneck of the Internet applications .

任何一个对高并发、高负载I/O感兴趣的Ruby用户都应该来看看JRuby。

Any Ruby users interested in high-concurrency , high-load I / O really need to look at using JRuby .

为应对高并发用户对视频数据的访问，系统采用集群服务架构，系统部署架构采用Web服务器、应用服务器、数据服务器的分布式部署方式。

In response to the high number of concurrent users access to video data , the system uses the cluster service architecture , system deployment architecture uses the Web server , application server , data server distributed deployment .

同时逐出（eviction）算法也在高并发的环境下具有良好的表现。

The eviction algorithms are designed to perform well under high concurrency as well .

本系统利用套接字技术作为分布式的基础，利用RMI和多线程技术解决海量数据和高并发的情况。

The system provides distributed features by socket technology , and it solves massive data and high concurrent situation by RMI and multi-threads technology .

“每个类层次一张表”对有高并发、简单查询并且没有共享列的OLTP系统来说是个不错的选择。

" Table per Subclass " is good for an OLTP system with high concurrency , simple queries and few shared columns .

因此，本文对高并发服务器进行了研究，分析了影响服务器并发性能的几个因素，并且通过使用一些池技术改善由于频繁IO或频繁系统调用降低服务器并发性能的情况。

So this article studies the high concurrent server and analyzes several factors which affect the performance of server concurrency , such as frequent IO or frequent system calls .

随着SNS站点用户数量的急速增长，其面临的问题与挑战也逐步显现出来，涉及到海量数据存取、高并发访问、高可用性、高实时性以及需求快速更新等各个方面。

So with the rapid growth in the number of users , problems and challenges are appeared , involving access to massive data , high concurrent calling , high availability and high demand for real-time , as well as all aspects of the rapid updating requirement and so on .

用非对称多进程事件驱动（AMPED）模型提高代理服务器高并发请求同步增长的可伸缩服务能力，扩展了AMPED模型的代理服务功能。

Asymmetric multiprocess event driven ( AMPED ) model was used to improve the ability for Web proxy server to deal with hundreds of requests , and extend the proxy service functionality of AMPED .

支持大容量和高并发度的媒体库越来越流行。

Large-Capacity media libraries supporting highly simultaneous access are more and more popular .

与高并发性策略类似，高性能策略也要考虑折衷的问题。

Like the High Concurrency strategy , the High Performance strategy involves trade-offs to consider .

支持高并发度的大容量媒体库

Large-Capacity Media Library Supporting Highly Simultaneous Access

此外，事件处理程序带来的高并发性可能会导致新问题。

Additionally , the increased concurrency introduced by event handlers can lead to new problems .

某些业务情境或技术不对高并发性事务策略开放。

Certain business situations or technologies do not lend themselves to the High Concurrency transaction strategy .

但是，获取并在数据库中保留锁仅仅是高并发性任务的一个部分。

But obtaining and holding locks in the database is only part of the high-concurrency story .

如何让用户在高并发环境下得到最快的响应速度，最好的使用感受，成为制约地理信息服务进一步发展的主要瓶颈之一。

How to get the fastest response speed and the best using feeling becomes one of the main bottlenecks .

对于大规模高并发访问依然存在效率低，稳定性比较差，可用性差等问题。

Concurrent access is still high for large-scale low efficiency , stability is rather poor , and poor availability .

这种途径极大地提高了高并发性的容量，因为数据库连接在客户端之间共享连接池。

This approach dramatically increases the capacity for high concurrency because database connections are pooled and shared amongst clients .

这些症状经常出现在高并发性环境中，在这种环境中，应用程序必须处理庞大的用户量或负载。

These symptoms are usually found in a high-concurrency environment where an application must process a large user volume or load .

多动症是青少年期最常见的一种行为障碍，与品行障碍具有高并发性。

Hyperactivity Disorder is one of the most popular behavior disorders among youngsters and has high rates of comorbidity with Conduct Disorder .

如果应用程序有高并发，而最大池大小又太小，连接池就会经常等待。

If your application has high concurrency and your maximum pool size is too small , your connection pool will often experience waiting .

尽管这能把你从重新关联中解脱出来，但会话可能会内存溢出，在高并发系统中可能会有旧数据。

Although it saves you from reattachment , the session may grow out of memory and probably has stale data for high concurrency systems .

网络层负责外部客户端的连接与连接的管理，主要功能是解析命令与处理高并发连接。

Network layer is responsible for external client connections and connections management , the main function is to interpret the command and handle high concurrent connections .