本文将会从实际应用场景出发,介绍一致性哈希算法(Consistent Hashing)及其在分布式系统中的应用。首先本文会描述一个在日常开发中经常会遇到的问题场景,借此介绍一致性哈希算法以及这个算法如何解决此问题;接下来会对这个算法进行相对详细的描述,并讨论一些如虚拟节点等与此算法应用相关的话题。 ...
分类:
编程语言 时间:
2018-01-07 16:10:51
阅读次数:
413
You are given a license key represented as a string S which consists only alphanumeric character and dashes. The string is separated into N+1 groups b ...
分类:
其他好文 时间:
2018-01-04 00:31:27
阅读次数:
128
In most professional sporting events, cheerleaders play a major role in entertaining the spectators. Their roles are substantial during breaks and pri ...
分类:
其他好文 时间:
2018-01-01 18:22:33
阅读次数:
185
[root@CloudDeskTop ~]# su -l hadoop[hadoop@CloudDeskTop ~]$ cd /software/hbase-1.2.6/bin/[hadoop@CloudDeskTop bin]$ type hbasehbase is /software/hbase ...
分类:
其他好文 时间:
2017-12-29 12:26:33
阅读次数:
240
1 把三个压缩包解压到同一个Ubuntu文件夹 下 2 设置环境变量(这步很重要!) 不设置环境变量的话,运行程序会提示不能执行FECA2。其实可执行文件FECA2已经在当前目前下了,但是不设置环境变量程序找不到这个可执行文件。 3 运行 File: Readme_CEAgui win.txt Th ...
分类:
其他好文 时间:
2017-12-25 18:16:42
阅读次数:
714
Python 2.6 - October 1, 2008 Python 2.6.1 - October 1, 2008 Python 2.6.6 - October 1, 2008 Python 3.0 - December 3, 2008 Python 2.7 - July 3, 2010 #目前 ...
分类:
编程语言 时间:
2017-12-20 22:05:34
阅读次数:
227
The Kyrie 4 is the most well-rounded Kyrie to date. Traction on the Kyrie 4 is comprised of multi-directional herringbone — a favorite of mine. I love ...
分类:
其他好文 时间:
2017-12-20 17:50:36
阅读次数:
206
In English, we have a concept called root, which can be followed by some other words to form another longer word - let's call this word successor. For ...
分类:
其他好文 时间:
2017-12-15 13:33:18
阅读次数:
176
题目链接:http://poj.org/problem?id=2955 Time Limit: 1000MS Memory Limit: 65536K Description We give the following inductive definition of a “regular brack ...
分类:
其他好文 时间:
2017-11-21 22:07:25
阅读次数:
169