HTTP Client Performance Improvements https://blogs.msdn.microsoft.com/webdev/2018/10/17/asp-net-core-2-2-0-preview3-now-available/ https://www.cnblogs.com/dacc123/p/9892274.html .net core 于 10月17日发布了 ASP.NET Core 2.2.0 -preview3,在这个版本中,我看到了一个很让我惊喜的新特…

最近突然对MySQL的连接非常感兴趣,从status根据thread关键字可以查出如下是个状态 show global status like 'thread%'; +-------------------+-------+ | Variable_name | Value | +-------------------+-------+ | | | | +-------------------+-------+ Thread_cached:The number of threads in the…

https://docs.oracle.com/javase/tutorial/essential/concurrency/pools.html Most of the executor implementations in java.util.concurrent use thread pools, which consist of worker threads. This kind of thread exists separately from the Runnableand Callab…

BACKGROUND OF THE INVENTION The use of a cache memory with a processor facilitates the reduction of memory access time. The fundamental idea of cache organization is that by keeping the most frequently accessed instructions and data in the fast cache…

Abstract: This paper presents our design and experience with Andromeda,  Google Cloud Platform’s network virtualization  stack 本文介绍了我们使用Andromedia(google云平台的网络虚拟化堆栈)的设计和经验. 我们的生产部署提出了一些具有挑战性的要求,包括客户虚拟网络之间的性能隔离.可扩展性.大量虚拟主机的快速供应.与底层硬件基本无法区分的带宽和延迟,以及高功能…

/****************************************************************************** ** This file is an amalgamation of many separate C source files from SQLite ** version 3.14.1. By combining all the individual C code files into this ** single large file…

From time to time, I receive questions from developers which highlight either a need for more information about the new “async” and “await” keywords in C# and Visual Basic. I’ve been cataloguing these questions, and I thought I’d take this opportunit…

Percona Server 5.6 的首个 GA 版本发布了,版本号是 5.6.13-61.0 ,该版本基于 MySQL 5.6.13 改进内容包括: New Features: Percona Server has implemented a number of XtraDB Performance Improvements for high-concurrency scenarios. Percona Server has implemented a number of performan…

  深度学习主机环境配置: Ubuntu16.04+Nvidia GTX 1080+CUDA8.0 发表于2016年07月15号由52nlp 接上文<深度学习主机攒机小记>,这台GTX1080主机准备好之后,就是配置深度学习环境了,这里选择了比较熟悉Ubuntu系统,不过是最新的16.04版本,另外在Nvidia GTX1080的基础上安装相关GPU驱动,外加CUDA8.0,因为都比较新,所以踩了很多坑. 1. 安装Ubuntu16.04 不考虑双系统,直接安装 Ubuntu16.04,从ub…

摘自:http://www.importnew.com/20386.html 简介 Java为数据结构中的映射定义了一个接口java.util.Map,此接口主要有四个常用的实现类,分别是HashMap.Hashtable.LinkedHashMap和TreeMap,类继承关系如下图所示: 下面针对各个实现类的特点做一些说明: (1) HashMap:它根据键的hashCode值存储数据,大多数情况下可以直接定位到它的值,因而具有很快的访问速度,但遍历顺序却是不确定的. HashMap最多只允许…