Redis

From the following several dimensions, the Redis, Memcache, MongoDB made a comparison, welcome to shoot Bricks 1. Performance are relatively high, performance is not a bottleneck for us In general, the TPS is about the same as Redis and Memcache,

Part I: Installing RedisWant to install Redis to this directory 1 /usr/local/redis You want to download the installation package to this directory 1 /usr/local/src Then the installation

Iv. write data in the C # Redis Combat (iii) We have configured the Web. config program and can read and manage the above configuration information through C # code. Next, you can write the data for Redis. In Redis, you can save single and multiple

Vii. modify data in the previous C # Redis Combat (vi) Describes how to query data in Redis, this article describes how to modify the relevant data in Redis. We all know that Redis is a key-value storage system, so you should be able to modify the

zhanhailiang 日期：2014-12-21Bitmap API Setbit Key Offset valueSets or clears a bit (bit) on the specified offset for the string value stored by key.The setting or clearing of bits depends on the value parameter, which can be either 0 or 1.When key

zhanhailiang 日期：2014-12-21Demand ScenariosBitmap is very effective for some specific types of computations.Suppose now we want to record the frequency of the users on our site, for example, how many days user a goes online, User BThe number of days,

Nginx-tomcatLoad Balancingredis-sessionshared, static resource separationBasic Environment:redis-2.8apache-tomcat-6.0.41nginx1.6.21,RedisConfiguration1, configureRedisAccess PasswordFind the redis.conf in the redis directory and unpack the

When the value of a Redis key is swap to a file, the value of the key to the Redisobject will be changed to Vmpointer,vmpointer to save the value on the disk file. This includes the offset of the start page and the number of consecutive

An interesting question today is that when the system loads a string type of shaping data from MySQL into Redis and then takes it out of Redis, its type becomes an integer type, and the procedure is as follows:The key in the database is a

This is just a summary of the installation stepsIf you want to understand the principle of high availability of Redis cluster, it is recommended to carefully look over the configuration file example http://download.redis.io/redis-stable/redis.conf,

TaticvoidMain (string[] args) { varRedis =NewRedisclient ("127.0.0.1",6379);//Redis Service IP and Ports #region=insert=varStoremembers =Newliststring> {"JJ","Lihui","cc" }; Storemembers.foreach (x= Redis.additemtolist

According to a number of tests organized a plan:1. Redis Performance Some simple tests for Redis are for informational purposes only: Test environment: Redhat6.2, Xeon E5520 (4-core) *2/8g,1000m NIC Redis version: 2.6.9 The

A Redis transaction is based on four commands: MULTI Exec DISCARD WATCH Create transactionThe Redis transaction starts with a MULTI command, and MULTI always commands to return "OK".You can then start entering operational

Redis is an open source key-value store or cache that provides a rich data type. The main include string, hash, list, set and ordered set, different data types have different applicable scenarios. This article makes a brief introduction to Redis's

1. Basic ConceptsRedis is an open-source high-performance key-value storage database developed by Salvatore Sanfilippo (Italy), which released its first version in 2009 and with the same year open source, official site: http://www.redis.io/, The

Reference Original: Http://redis.io/topics/latency More recent data volume, concurrent write operations in many cases, Redis has a slow response situation; You can use Redis commands to test the response speed of Redis: redis-cli--latency-h ' xxx

Installation section:#！ /bin/bashCd/usr/local/src#wget http://downloads.sourceforge.net/tcl/tcl8.6.1-src.tar.gzTar zxvf tcl8.6.1-src.tar.gz-c/usr/local/CD cd/usr/local/tcl8.6.1/unix/./configureMakeMake installCd/usr/local/srcTar zxvf

SynchronousWhy should Redis implement master-slave synchronization?Master-Slave synchronization, with the following benefits: Realize the backup of data, reduce the loss of single point of failure; Helps to achieve load balancing.

Version: redis-2.8.19.tar.gzCheck whether the following dependencies are installed, or there will be exceptions if you do not want to install them first.Yum installgcc-c++Yum install-y tcl . 1 , get the installation

1. Change redis. conf configuration# Requirepass foobared remove comments and change foobared to its own password. I used redis-password during the test.2. Start redis/Usr/local/redis/src/redis-server redis. conf3. Test/Usr/local/redis/src/redis-cli-