Redis

One, Common command 1, String type(1) Set key value        nx: Create     If key does not exist XX: If key is present, modify its value (2) Get key: Value (3) mset key1 value1 key2  value2  set multiple values at once (4) mget key1 key2 : Get

Assigning a new port to RedisTo assign a 8888 port to Redis, proceed as follows:1, $REDIS _home/redis.conf re-copy, renamed to Redis8888.conf.2, open the redis8888.conf configuration file, find the port 6379 line, change 6379 to 8888.3. Move the

Redis and memcached, both are today's very fire memory databases, to discuss the popularity of the current Redis with the most, in terms of performance, if you have Redis aof and RDB functions are all disabled, just to use Redis as a cache, Redis

the difference between Redis and memcached (RPM)If you simply compare the differences between Redis and memcached, most of them will get the following ideas:1 Redis not only supports simple k/v-type data, but also provides storage of data structures

1. First create a MAVEN projectFile----and New--and select Maven Project under the Maven directory, such as:Then after selecting the configuration in the popup panel, the next step is toCreate a simple project (skip archetype selection): This option

1. Project Core Code structure650) this.width=650; "src=" Http://static.oschina.net/uploads/space/2016/0305/105152_ePjH_2661627.png "alt=" 105152 _epjh_2661627.png "/> --jeesz-utils --jeesz-config --jeesz-framework --jeesz-core-cms --jeesz-core-gen

Description1. First describe the process of implementing load balancing.First step: Create a new two or more sites (build a process slightly).The second step: the sharing of the session between two or more sites.Step three: Multiple sites are load

　　Redis is a remote in-memory database that not only has strong performance, but also has replication features and a unique data model for solving problems. Redis provides 5 different types of data structures, all of which can be easily mapped to

I. Description of the moduleRedis is an open source API that is written in ANSI C , supports the web, can be persisted in memory, Key-value databases, and provides multiple languages . data persistence has snapshot and log append methods, where

The Redis timer is self-fulfilling, not very complex. Let's talk about concrete implementation.The storage and maintenance of the timer is a common one-way linked list structure, the specific node is defined as:1 /*Time Timer structure

Today's test shows that when Redis is used, the link to the call is not released. After looking at pretty much data, only to find a configuration caused. It's not that they say the service didn't start.1) configuration file#redis连接配置 ================

Http://www.ibm.com/developerworks/cn/opensource/os-cn-redis-coordinate/index.htmlIn a distributed system, each process (this article uses a process to describe a running body in a distributed system, which can be on the same physical node or on a

Redis InstallationLinux under the Environment install Redis, I download here is 3.0.0 version (currently the latest 3.2.0).wget http://download.redis.io/releases/redis-3.0.0.tar.gztar xzf redis- 3.0. 0. Tar . gz$ CD Redis-3.0. 0 makeSo Redis is

1. KeysFormat: Keys {pattern}Returns all keys that satisfy the given pattern.2. ExistsFormat: Exists ' key 'Determine if key exists.3. DelFormat: Del ' key 'Delete key.4. ExpireFormat: Expire ' key ' {num}Set the expiration time on the key, the key

Original: https://redislabs.com/ebook/redis-in-action/part-2-core-concepts-2/ Chapter-5-using-redis-for-application-support/5-2-counters-and-statistics/5-2-1-storing-counters-in-redisAs with monitoring applications, getting system information

Project before using Memcache to do the cache, now go to Redis, rewrite a few statements of things, and then on this I confused Django-redis and Py-redis, record.Django uses memcache as the default cache, the operation here is generally cache.get ()

Test environment: Virtual machine with 2 Cnetos 64-bitMain service: 192.168.210.11 (NAT Internet mode)From service: 192.168.210.12Redis is a high-performance Key-value database.RedisThe emergence of a large extent to compensate for memcached such

First, the preparatory work Two machine operating systems are centos6.7, the IP card eth0 are:Master 192.168.1.180Slave 192.168.1.181Second, the basic operation (all the following steps are to operate on two machines) 1, set hostname,

1.KeysRedis is inherently a key-value db, so let's first look at his key. First, key is also a string type, but the key cannot include the boundary characterBecause key is not a binary safe string, keys such as "My Key" and "mykey\n" that contain

Codis is an open source distributed server for pea pods. Now in a stable phase.Original address: Https://github.com/wandoulabs/codis/blob/master/doc/tutorial_zh.mdCodis is a distributed Redis solution, for upper-level applications, there is no