Installing the Redis on a Linux machine is very easy, not to be introduced here. Since I have only one machine to learn from the master-slave copy function, I need to start multiple Redis instances on a single machine. We need to copy the default
For the previous Nginx+tomcat load-balancing mechanism, because there will be session loss, special research on the next Redis session sharing; (if you want to build this environment can start from the previous, involving the nginx of the
Jedis provides a variety of modes of operation: Single connection mode, single connection pool mode, multi-machine distributed + connection pool. Prepare
jedis-2.5.2Commons-pool2-2.2.jar Use single connection
This method is recommended only for use
Shiro Cache to Redis management
tags (space delimited): Shiro Redis
Objective:
The following methods are only used by single-use Redis
I. Importing jars for Shiro and Redis
Jedis-2.7.3.jar
shiro-core-1.2.3.jar
shiro-ehcache-1.2.3.jar
Redis Learning Manual (opening)
Http://www.cnblogs.com/stephen-liu74/archive/2012/02/13/2348935.html
First, Introduction
Second, the advantages of Redis
Third, the current version of the main problems of Redis
Iv. Comparison of relational databases
The master-slave architecture of Redis enables us to read more and write less, so it's easy to configure the Redis architecture below.
Prepare for the Environment VMware + rhel-server-7.0 (101,102,103) +redis-3.2.0
1, installed in 192.168.137.101
acid for traditional databases
atomicity Atomic Nature
All operations inside the transaction are either done or not, and the transaction succeeds because all operations in the transaction are successful, and as long as one operation fails, the
Spring Data Redis single node and cluster configuration and redistemplate usage
tags (space delimited): Spring-data
Using Springdata makes it easier for us to operate on relational and non-relational databases, encapsulating common code and making
Redis Use detailed tutorialsfirst, the basic part of Redis:
1, Redis introduction and installation than MySQL faster than 10 times times
************redis applicable occasions ***********
1. Take the latest N data operation
2. Leaderboard
In Redis, the hash data type stores data in a very similar way to storing a record in a MySQL database, a string-type field and value mapping table, which is particularly well-suited for storing objects, but the field values can only be strings and
1. Preface
Redis is an advanced Key-value database. It is similar to memcached, but the data can be persisted and the supported data types are rich. There are strings, lists, collections, and ordered collections. Supports the addition, intersection
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Login and Cookie caching
Cookies: When we log in to the Internet service, these services use cookies to record our identity, cookies are made up of a small amount of data, and the
Redis is commonly used in the development of caching, user Rights Management, Message Queuing and other functions, today to learn about the Springboot integrated Redis, Redis installation can be Baidu to start, here only the implementation of the
Six features of Redis
L Strings
L HASHS
L Lists
L Sets
L Sorted Sets
L PUB/SUB Application Scenarios for Redis features Strings
The Strings data structure is a simple key-value type, and value is not only a string, it can also be a number. Common
I. Concept
In Redis, there is also a hash type for the structure of key-value pairs like other languages, and the key value of a redis hash type is itself a key-value pair structure.
Such as:
Key
value
User:1
Key
Little yards of a small-size farm in Iraq 2017-02-10 09:29
Redis is widely used in Internet big data platform to cache hotspot data, avoid massive requests to overwhelm database, and improve the response speed and concurrency of service nodes. With
Redis master-Slave
1: Create from Redis directory, copy the following files in the original Redis service:
a:redis-benchmark
b:redis-cli
c:redis.conf
d:redis-server
2: Modify Redis.conf profile
A: Modify the service port number to
Replication
Redis supports a simple and easy-to-use master-slave replication (Master-slave replication) feature that allows the slave server (slave server) to be an exact replica of the master server.Here are a few important aspects of the Redis
Like MySQL's master-slave mode, Redis's master-slave can improve the usability of the system, and the master node is automatically synced to slave when it is written to the cache.
Environment:
Master node:10.6.144.155:7030
Slave node:10.6.144.156:703
A dictionary is a data structure implementation in Redis that is used to hold key-value pairs.
Each key in the dictionary is unique, and the program can find the value associated with it based on the key.
The underlying implementation of the Redis
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