first, the MyBatis cache
Like most ORM layer frameworks, MyBatis naturally provides support for first-level caching and level two caching. This is the role and definition of the first-level cache and the level two cache.
1, the first cache is the
Recently read Huangjianhong's "Redis Design and implementation", read the first part, it is the introduction of the bottom-up approach. Starting from the lowest data structure, the data structure used is introduced, and then the database is formed.
JedisclusterJediscluster is a Java client for Rediscluster that encapsulates various operations for Java access to Redis clusters, including initialization connections, request redirection, and so on. The concrete internal realization principle has
Edis is the official preferred Java client development package for Redis. In this article we will describe how to use the Sorted set sort collection (Zsets).
Sorted set is the same as a collection, it does not have duplicate values, the biggest
Execute Redis command with LUA script in C #To directly post the code to implement the Lua script method, the Third-party class library used is Stackexchange.redis (nuget) Note: The following code is simplified, the actual use to modify,
Using
1. First you need a message listener class
Package com.sogou.baike.testimport.testSubscribe;
Import Redis.clients.jedis.JedisPubSub;
/** * Created by Denglinjie on 2016/6/29. */public class Redismsgpubsublistener extends Jedispubsub {@Override
1. Redis Lock ClassificationRedis can be used in the lock command table is INCR, SETNX, SET
2. The first type of lock command incr
The idea is that the key does not exist, then the value of the key will be initialized to 0, and then perform the
Redis Installation Process
Download installation package, unzip, Mac system put folder under/usr/local folder
Open the terminal and install server-side servers firstTerminal $ cd/usr/local/redis/
Go to the file and enter the Redis.config fileFind
9, Redis data type
1) String type and operation
String is the simplest type, and a key corresponding to a value,string type is binary security. A Redis string can contain any data, such as a JPG picture or a serialized object.
Set: Set key
Picture because the file is relatively large, commonly used pictures such as reading the database or file to increase the system load. The use of caching methods can increase
Redis Installation
1, download, decompression and installation:
$ wget http://download.redis.io/releases/redis-2.8.5.tar.gz
$ tar xzf redis-2.8.5.tar.gz
$ cd redis-2.8.5
$ make
The compiled executables are in the SRC directory, respectively, Redis-
Analysis of Redis network protocol with Netty
According to the Redis Official document introduction, studied the Redis network communication protocol. Then accidentally found in the GitHub on the netty of the implementation of the Redis server,
Yesterday after analyzing the Redis event-driven model very easily, today I'm going to look at Anet's code, Anet is a small encapsulation of Redis's network operations for Client/server. The official explanation for this file in the code is:
/*
Open Redis ClientAuthentication information is not configured at the beginning
:6379> config get requirepass
1) "Requirepass"
2) ""
For example, set authentication to 1234
:6379> config set requirepass 1234
OK
If return OK positive modification
Package redis.clients.jedis.tests;
Import Redis.clients.jedis.Jedis;
public class Jedisdemo {public static void main (string[] args) {String value = null;
Jedis Jedis = new Jedis ("localhost", 6379); Long
Today, I would like to introduce you how to use the basic operations such as set, map, list and value of Redis in Springboot .
In the previous section, we showed you how to build a Redis cache database in Springboot, a section that describes the
The use of Redis is very extensive, its advantages are fast, support rich data types, support things operation, such as session cache, full page cache (FPC), queue, etc., greatly reduce the burden of the database.1. Install and download RedisWebsite:
In the previous article, a simple record of how the cache is used, this article will integrate our familiar redis.So how to integrate it? First need to download and install, for the convenience of use, you can also do environment variable
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