The Java concurrency API provides a synchronization utility that allows the interchange of data between two concurrent tasks. In more detail, the Exch ...
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其他好文 时间:
2016-06-02 19:45:09
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219
非阻塞型同步 (Non-blocking Synchronization) 简介
如何正确有效的保护共享数据是编写并行程序必须面临的一个难题,通常的手段就是同步。同步可分为阻塞型同步(Blocking Synchronization)和非阻塞型同步( Non-blocking Synchronization)。
阻塞型同步是指当一个线程到达临界区时,因另外一个线程已经持有访问该共享数据...
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系统相关 时间:
2016-05-27 12:36:27
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266
1、zokeeper的安装及配置
在zokeeper的conf目录下新建zoo.cfg文件,在里面配置如下内容
# The number of milliseconds of each tick
tickTime=2000
# The number of ticks that the initial
# synchronization phase can take
initLimit=10
# T...
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其他好文 时间:
2016-05-12 12:54:22
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206
NTP-ntpdate 问题处理 解决ntp的错误 no server suitable for synchronization found 当用ntpdate -d 来查询时会发现导致 no server suitable for synchronization found 的错误的信息有以下2个 ...
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其他好文 时间:
2016-05-10 12:31:45
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166
http://www.rdrop.com/users/paulmck/scalability/paper/whymb.2010.07.23a.pdf Shared-Memory Synchronization-Morgan & Claypool(2013) http://www.amazon.com ...
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系统相关 时间:
2016-05-07 14:52:02
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179
ZooKeeper是一个分布式开源框架,提供了协调分布式应用的基本服务,它向外部应用暴露一组通用服务——分布式同步(Distributed Synchronization)、命名服务(Naming Service)、集群维护(Group Maintenance)等,简化分布式应用协调及其管理的难度, ...
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其他好文 时间:
2016-04-30 23:48:15
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239
Linux offers two kinds of semaphores:
? Kernel semaphores, which are used by kernel control paths
? System V IPC semaphores, which are used by User Mode processes
struct semaphore {
spinl...
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其他好文 时间:
2016-04-29 18:43:56
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181
kernel preemption:
the main characteristic of a preemptive kernel is that a process running in the kernel mode can be replaced by another process while in the middle of a kern...
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系统相关 时间:
2016-04-29 18:43:38
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275
kernel preemption:
the main characteristic of a preemptive kernel is that a process running in the kernel mode can be replaced by another process while in the middle of a kern...
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系统相关 时间:
2016-04-26 21:00:46
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223
Linux offers two kinds of semaphores:
? Kernel semaphores, which are used by kernel control paths
? System V IPC semaphores, which are used by User Mode processes
struct semaphore {
spinl...
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其他好文 时间:
2016-04-26 20:58:19
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299