Resources to use:
Nginx Primary server One, Nginx standby server, use keepalived for downtime switching.
Tomcat server two, by Nginx reverse proxy and load balancing, here can build server cluster.
Redis server, used for session separation and sharing.
Nginx Primary server: 192.168.50.133
Nginx Standby server: 192.168.50.135
Tomcat Project Server 1:192.168.50.137
Tomcat Project Server 2:192.168.50.139
When we have a large number of Redis or Memcached instances, we can only use some data distribution algorithms (such as consistent hashing) on the client side to implement Cluster Storage features. Although
When we have a large number of Redis or Memcached instances, we can only use some data distribution algorithms (such as consistent hashing) on the client side to implement Cluster Storage features. Altho
1. twemproxy release E
When we have a large number of Redis or Memcached instances, we can only use some data distribution algorithms (such as consistent hashing) on the client side to implement Cluster Storage features. Redis Cluster has been released in Redis 2.6, but it is not very mature and applicable to the formal production environment. Before the
1, Twemproxy explore when we have a large number of Redis or Memcached, we usually only pass some data distribution algorithms (such as a consistent hash) of the client, to realize the characteristics of cluster storage. Although redis Version 2.6 has been released for Redis Cluster, but it is not yet mature for a formal production environment. redis's Cluster
At last year's QConLondon2012 conference, Twitter published the article titled Timelines @ Twitter.
At last year's QCon London2012 conference, Twitter gave a speech entitled "Timelines @ Twitter", which mentioned that Redis is the main storage of its timeline. Currently, it is globally oriented, twitter may be the biggest user of Redis (or Sina Weibo ?).
Today, we will talk about the Twemproxy, an open-so
Twemproxy is a proxy server that can be used to reduce the number of connections opened by the memcached or redis server.
What is the purpose of twemproxy? It can:
Reduce the number of cache server connections by proxy
Automatically share data among multiple cache servers
Consistent hashing is supported through different policies and Hash Function
Cross-platform lightweight redis and ssdb proxy servers (written in C ++ 11 ),
Dbproxy is a cross-platform proxy server that uses C ++ 11 in my spare time (and uses lua and its own network library) to expand the system load and use multiple backend databases at the same time, backend databases support redis and ssdb.
Y
Introduction twemproxy, also known as nutcracker, is an open-source Redis and Memcache proxy server of twtter. Function Fast. Lightweight. Maintainspersistentserverconnections. Keepsconnectioncountonthebackendcachingserverslow. Enablespipeliningofrequestsandrespon
Introduction twemproxy, also known as nutcracker, is an open-source Redis and Memcache
default use of the configuration file, you can see the configuration of alpha, beta, gamma, Delta, Omega Five connection pools as an example. We only retain Alphaand configure two Redis servers with ports 6379 and 6479. After that, two Redis instances are configured and started accordingly. You can start twemproxy now, and you can run the src/nutcracker directly. Test if it's connected. Connect to the twem
Dbproxy is my amateur cross-platform proxy server written in c++11 (and using LUA and its own network library) to extend system load while using multiple back-end databases, and the back-end database supports Redis and SSDB.It is up to the user to write Lua scripts to control sharding. The test efficiency is slightly higher than Codis and consumes less CPU and memory.Here is the readme on GitHub, which I co
Background
Recently to carry out the reconfiguration of IVR, we are now connected to three IVR service providers, n business, because IVR this thing generally only external network callback, and the development environment does not allow the extranet casual access,
Really annoying. All we intend to refactor, encapsulate more than IVR, transparent to the business, at the same time callback can be directed to multiple IVR service providers of different callid directly forwarded to the request of
4 Redis Servers172.16.1.37:6379-1172.16.1.36:6379-2172.16.1.35:6379-3172.16.1.34:6379-4Installing autoconfCentOS 7 Yum installation is available, autoconf version must be more than 2.64 versionsYum-y Install autoconfInstalling Twemproxygit clone https://github.com/twitter/twemproxy.gitAutoreconf-fvi #生成configure文件./configure--prefix=/opt/local/twemproxy/--enable-debug=logMake make installMkdir-p/opt/local/twemproxy/{run,conf,logs}Ln-s/opt/local/twemp
Use redis proxy twmproxy in linux (1)
Twemproxy, also known as nutracker, is a fast and lightweight proxy program that supports memcache and redis protocols. It is mainly used to reduce the number of connections of the backend cache server.
The latest version is 0.3.0.git at https://github.com/yuyunliuhen/twemproxy.
C
Reprint: http://fanshuyao.iteye.com/blog/2384074First, Redis:Https://github.com/MicrosoftArchive/redis/releases1, Redis-x64-3.2.100.msi for the installation version2, Redis-x64-3.2.100.zip for compression packageSecond, because I use the installation version, this issue is also the installation version of the problem1, after the installation of the directory2. Th
improves the performance of redis. There are many methods to implement sharding. Below are several common methods to implement sharding in redis:
A. Hash sharding: A simple implementation method. The hash function is used to calculate the hash value of the key, and the value range corresponds to a specific redis instance.
B.
Static proxy and dynamic proxy, static proxy dynamic proxy
The so-called proxy Design refers to the operation of a real subject by a proxy subject, and the actual subject executes specific business operations, while the
Java Dynamic Proxy, proxy and InvocationHandler, Proxy dynamic proxy
I have read a lot of articles about proxy, understanding and sorting out them.
1. Basic composition of proxy
Abstract role: Declares the common interfaces of the
Mysql-Proxy proxy configuration, mysql-Proxy proxyI. Principles of Mysql-Proxy
Mysql-Proxy is a simple program between your client and Mysql Server. It can monitor, analyze, and change their communication. It is flexible and unrestricted. Its common uses include load balanci
Yum install rubygems
5.3 If you execute Step 1 again, an error may be returned, prompting that you cannot load redis because the interfaces of redis and ruby are missing and you can install them using gem.
Error message:
/Usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb: 31: in 'gem _ original_require ': no such file to load -- redis (LoadErr
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