Redis

1. RdbWhen the condition is met, Redis will fork (create) A new thread, the data in memory will be written to a temporary file, the persistence process is finished, and then replace the last persisted file with this temporary file, the whole process,

Mongodb:It's an in-memory database, and the data is in memory.The operation of the data is mostly in memory, but MongoDB is not a pure memory database.Persistence mode:All of MongoDB's data is actually stored on the hard disk, and all the data to be

Referenced from: http://blog.csdn.net/e_wsq/article/details/23551799Recently, we need to use NO-SQL database to save a lot of data, insert and query are more frequent, relatively more frequent query. Choose Memcached, or Redis? Memcached and Redis

Download installation files: redis-3.2.5.tar.gz in opt directory tar-zxvf redis-3.2.5.tar.gz, backup redis.conf to your own directory/myredis Enter the redis-3.2.5 directory:Perform make to indicate that the GCC command is not installed, workaround:

There is no need to pay too much attention to performance. since Redis uses only single cores, and memcached can use multicore , on average, Redis has a higher performance than memcached for storing small data on a per-core scale. In more than 100k

The caching framework of 1.redis and Memecache is divided into server side and client.We use in the project, the equivalent of the client, to introduce the client to use the Redis jar package First you need to download the driver package,

reprint: http://www.cnblogs.com/caokai520/p/4409712.htmlConceptRedis is an open source, write with ANSI C language, support network, memory-based and persistent, Key-value database, and memcached similar, it supports storage of the value type is

When I was not busy recently, I decided to learn about Redis. Because it's always working under Windows, no Linux, no way to choose to configure Redis under Windows.There are many articles on configuring Redis clusters under Windows, such as: http://

Windows development under the XAMPP integrated environment, want to install a php-redis extension, extended GitHub address: Https://github.com/nicolasff/phpredisPHP_REDIS.DLL:HTTP://WINDOWS.PHP.NET/DOWNLOADS/PECL/SNAPS/REDIS/2.2.5/look at the

First, the preliminary preparation Redis is an open source, using the ANSI C language, support network, can be based on memory and persistent log-type, Key-value database. The emergence of Redis, to a large extent, compensates for the lack of

Vi. Querying dataIn C # Redis Combat (V) describes how to delete data in Redis, this article will continue to describe the query in Redis. 1. Using LINQ to match keyword queries[CSharp]View Plain copy using (var redisclient =

First step Download:Window under Installation:https://github.com/MSOpenTech/redis/releases.Step Two:Run the installation record installation pathC:\Program Files\redisStep three: Start the Redis service　　Fourth StepAt this time another cmd window,

First, IntroductionRedis supports synchronizing data to multiple slave, a feature that is useful for improving read performance1) Master can have more than one slave2) In addition to multiple slave connected to the same master, slave can also be

Redis Subscribers:Redis 127.0.0.1:6379> SUBSCRIBE RedischatReading messages ... (Press Ctrl-c to quit)1) "Subscribe"2) "Redischat"3) (integer) 1Now, two clients are published in the same channel name Redischat message and above the subscribing

1: Convert the table name to the key prefix such as User:2:2nd place the field for the Zone key--the column name corresponding to the primary key in MySQL, such as UserID3:3rd paragraph Place primary key value, such as 2,3,4 ...., A, B, c4:4th

Redis Collection (SET)Redis's set is an unordered collection of type string. A collection member is unique, which means that duplicate data cannot appear in the collection.The collection in Redis is implemented by a hash table, so the complexity of

Redis lists (list)The Redis list is a simple list of strings, sorted by insertion order. You can add an element to the head of the list (left) or tail (right)A list can contain up to 232-1 elements (4294967295, more than 4 billion elements per list).

Main references: http://blog.csdn.net/fjssharpsword/article/details/52250723# Http://www.yiibai.com/redis/strings_getset.html Https://redis.io/commands/expire https://www.baidu.com/link?url=kuDPE2uEXfjZO3qCggv2OaDGcd9_Mohb_S2Web1

/*** String (String) * append,bitcount,bitop,bitfield,decr,decrby,get,getbit,getrange,getset,incr,incrby,incrbyfloat , Mget,mset,msetnx,psetex,set,setbit,setex,setnx,setrange,strlen*/ Public classStringtypetest {PrivateJedis Jedis; Private Static

What is it:A message communication pattern between processes: the sender (pub) sends a message, and the Subscriber (sub) receives the message.Subscribe/Publish a message mapBefore you can receive a message after you have subscribed1. You can