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Exchanger, Changing data between concurrent tasks
The Java concurrency API provides a synchronization utility that allows the interchange of data between two concurrent tasks. In more detail, the Exch ...
分类:其他好文   时间:2016-06-02 19:45:09    阅读次数:219
透过 Linux 内核看无锁编程
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...
分类:系统相关   时间:2016-05-27 12:36:27    阅读次数:266
Kafka的安装及测试
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...
分类:其他好文   时间:2016-05-12 12:54:22    阅读次数:206
NTP-ntpdate:no server suitable for synchronization found
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 ...
分类:其他好文   时间:2016-05-10 12:31:45    阅读次数:166
Memory Barriers ,cache-coherency
http://www.rdrop.com/users/paulmck/scalability/paper/whymb.2010.07.23a.pdf Shared-Memory Synchronization-Morgan & Claypool(2013) http://www.amazon.com ...
分类:系统相关   时间:2016-05-07 14:52:02    阅读次数:179
ZooKeeper-3.3.4集群安装配置(转载)
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, ...
分类:其他好文   时间:2016-04-30 23:48:15    阅读次数:239
synchronization mutex &semaphore completion &example
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...
分类:其他好文   时间:2016-04-29 18:43:56    阅读次数:181
synchronization in Linux kernel
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...
分类:系统相关   时间:2016-04-29 18:43:38    阅读次数:275
synchronization in Linux kernel
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...
分类:系统相关   时间:2016-04-26 21:00:46    阅读次数:223
synchronization mutex &semaphore completion &example
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...
分类:其他好文   时间:2016-04-26 20:58:19    阅读次数:299
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