转自: http://go-proverbs.github.io/Simple, Poetic, PithyDon't communicate by sharing memory, share memory by communicating.Concurrency is not parallelis...
分类:
其他好文 时间:
2015-11-27 17:09:21
阅读次数:
266
http://www.blogjava.net/xylz/archive/2010/07/08/325587.html
分类:
编程语言 时间:
2015-11-25 22:27:31
阅读次数:
197
默认情况下, MySQL的Innodb事务隔离级别是重复读 repeatable read, SELECT @@GLOBAL.tx_isolation, @@tx_isolation;REPEATABLE-READ REPEATABLE-READ进行以下测试, 同时开两个session, S1 和 ...
分类:
数据库 时间:
2015-11-05 06:07:59
阅读次数:
247
What’s the difference between concurrency and parallelism? Explain it to a five year old. Concurrent?= Two queues and one coffee machine. Parallel?= Two queues and two coffee machines. Tagged:?...
分类:
其他好文 时间:
2015-10-27 17:59:02
阅读次数:
180
From the introduction to concurrency, we saw one of the fundamental problems in concurrentprogramming: we would like to execute a series of instructio...
分类:
其他好文 时间:
2015-10-26 13:27:42
阅读次数:
170
In this article we will focus on configuration of the high-concurrency connection pool. For ease of migration for Tomcat users, the configuration has been written to mimic that of?Commons DBCP. T...
分类:
数据库 时间:
2015-10-20 18:00:32
阅读次数:
299
转自 :http://cache.baiducontent.com/ 良辰美景奈何天并发编程实践中,ConcurrentHashMap是一个经常被使用的数据结构,相比于Hashtable以及Collections.synchronizedMap(),ConcurrentHashMap在线程安全的基础...
分类:
其他好文 时间:
2015-10-13 13:34:46
阅读次数:
156
作者:Philip A. Bernstein, Vassos Hadzilacos, Nathan Goodman. 1987原文:Concurrency Control and Recovery in Database Systems译者:phylips@bmy 2013-02-14译文:http...
分类:
其他好文 时间:
2015-10-12 12:20:26
阅读次数:
282
终端输入 ab?-n?100?-c?100?测试目标url ? AB指令介绍 ??
?-n?requests?????全部请求数?
?-c?concurrency??并发数?
?-t?timelimit????最传等待回应时间?
?-p?postfile?????...
分类:
Web程序 时间:
2015-10-08 13:18:21
阅读次数:
264
理解 iOS 开发中 GCD 相关的同步(synchronization)\ 异步(asynchronization),串行(serial)\ 并行(concurrency)概念2014年11月21日iOSasynchronization、concurrency、GCD、iOS、serial、syn...
分类:
移动开发 时间:
2015-10-08 09:03:42
阅读次数:
287