Redis

What's Redis? Redis is an open-source, Key-value database that is written in C, that supports network interaction, and can be based on memory and persistence. Redis's official website address, very good remember, is Redis.io. (specially checked,

ways to implement transactionsmulti (Open transaction) +exec (commit) +discard (Discard transaction) +watch (CAS optimistic lock) Lua script the characteristics of Redis affairsAll methods in a transaction are executed serially, the execution is not

Message Notification Task Queues Benefits of using task queuesLoose coupling. Producers and consumers do not need to know each other's implementation details, just agree to a good description of the task format. This allows producers and consumers

Redis-cluster Research and use Blog Categories:Redis Redis Cluster Distributed storage Recent research Redis-cluster, just set up an environment, encountered a lot of pits, the system's summary, wait until REDIS3 release, replace Memcache cluster.

#最近在研究NOSQL中的Redis的安装以及连接服务器 Preparation: Windows working platform, redis database, please download the website and extract it to the local disk to install the Redis process I do not detail: The following two pictures let's go to the second

Overview In the actual development process will often encounter some time-sensitive data, such as limited time discount activities, caching or verification code, and so on. After a while, you need to delete this data. In a relational database, you

one: About Redis cluster the present situation of 1:redis cluster Reids-cluster plans to launch in redis3.0, can be regarded as a Antirez statement: HTTP://ANTIREZ.COM/NEWS/49 (PS: Skip the ticket for a long time, this year seems to speed up), the

dear friends, long time no see. Has not been updated recently, because the company's project has been catching progress, but also table structure replacement, and refactoring, but also iterative requirements. Feel the project is going to be rotten ..

Affairs Ømulti,exec action: Start and end tag of transaction N executes the multi command, Redis feedback OK indicates the start of the transaction, executes the EXEC command, ends the transaction, and begins the sequential execution of the

Redis Cluster Add node 1: Start the node that needs to be added first cd/usr/local/cluster/mkdir 7006cp/usr/local/cluster/redis.conf/usr/local/cluster/7006/cd/usr/local/cluster/7006/VI redis.conf# The value of the port parameter in

Redis Implement distributed lock In the cluster and other multiple servers often used to synchronize the business, then the ordinary transaction is to meet the needs of the business, the need for distributed locks. Distributed locks are implemented

Redis Data backup and recovery Persistence of RDB Mode (default) The persistence of the RDB approach is accomplished through snapshots (snapshotting), and Redis automatically snaps and stores all data in memory to the hard disk when certain

Before you say Redis persistence, you need to figure out what the concept of database state is, because the persistence is to save the state of the database in memory to disk. So what is the database state? Redis is a key-value database server,

Although Redis has excellent performance, we can still master/slave this simple architecture, read and write separation, further mining redis performance, improve system availability. Redis How to do master and slave copy. Redis replication is

Redis is a distributed NoSQL database system oriented to "Key-value" type data, which has the advantages of high performance, persistent storage, and adapting to the highly concurrent application scenarios. Although it started late, but the

First, NoSQL introduction 1, NoSQL (NoSQL =not only sql), meaning that "not only SQL", is a new database revolutionary movement, it was suggested in the early days, the trend of development to 2009 has become increasingly high. 2, NoSQL, refers to

# Redis configuration file # When you need to configure the memory size in the configuration, you can use similar formats such as 1k, 5GB, 4M, which are converted as follows (case-insensitive) # # 1k => 1000 bytes # 1kb => 1024 bytes # 1m => 100000

Http://www.cnblogs.com/stephen-liu74/archive/2012/02/23/2364717.html first, the replication of Redis:The first thing to note here is that it's so easy to configure the Master-slave mode in Redis. Believe that after reading this blog you can also

Exception content: Redis.clients.jedis.exceptions.JedisConnectionException:java.net.SocketTimeoutException:Read timed out at Redis.clients.jedis.Protocol.process (protocol.java:79) ~[jedis-2.1.0.jar:na] at Redis.clients.jedis.Protocol.read

installing Redis under Linux systemsFirst step: Download　　Way 1:http://www.redis.cn/Download from official website　　　　　　　　　Click to download the following screen appears.--------------------------------------------------------------------------------