Discussion on the applicability of Hadoop, Spark, HBase and Redis (full text)
2014-06-15 11:22:03
url:http://datainsight.blog.51cto.com/8987355/1426538
Recently on the web, I saw a discussion about the applicability of Hadoop [1]. Think of this
use MongoDB as a pure memory database (Redis style)
Basic Ideas
The use of MongoDB as a memory database (In-memory db), which is not allowing MongoDB to save data to disk, has aroused more and more people's interest. This usage is very practical
In the previous introduction to Redis, you can see that the list is used very often.
A linked list can act as a separate storage structure, such as a client's watch list that records all the keys that the client monitors, and the server's modal
This article is reproduced and collated from the previous article: http://mp.weixin.qq.com/s/JTsJCDuasgIJ0j95K8Ay8wAnd Next: Http://mp.weixin.qq.com/s/4CUe7OpM6y1kQRK8TOC_qQ Two blog postsThe discussion of Martin's fencing token was omitted (the
NoSQL Introduction to NoSQL: A new type of database (not only SQL)
A non-relational database
SQL syntax not supported
The storage structure is completely different from the relational table in the traditional relational database,
1. IntroductionRedis is a fully open source ANSI C language written, compliant with BSD protocol, high-performance Key-value database.1.1 Features
Redis supports data persistence, which saves data in memory on disk and can be loaded again
1. Download Redis installation packageOpen Browser input address: http://download.redis.io/redis-stable.tar.gz Download the latest Redis stable installation packageMac OS downloaded files are saved by default under the downloads file.2. Compiling &
about RedisRedis is one of the NoSQL (no only SQL, non-relational) databases that NoSQL stores data in the form of Key-value. The current mainstream distributed cache technology has REDIS,MEMCACHED,SSDB,MONGODB and so on. Redis can be understood as
Linux Install standalone Redis has already been mentioned in another article, the bottom of the cluster, the environment is Sina Cloud Server:redis3.0 started supporting the cluster later.Introduction: What does Redis do with clustering? Use a
1. Installationsudo Install Redis sudo Install Hiredisparser can control how the contents of a Redis response are parsed. Redis-py contains two parser classes, Pythonparser and Hiredisparser. By default, if the Hiredis module is already installed,
Redis related concepts Do not introduce, we can first understand the next memcached, and then compare the difference between the two, there will be a whole impression.Server side usually choose Linux, Redis for Linux is officially supported, use a
Using the underlying API: RedisConnectionFactory and RedisConnection You can manipulate Redis directly, here's a simple example:# # Maven Dependency 2.9.0 1.8.2.RELEASE redis.clients jedis ${jedis.version}
Redis
Redis is a cache, Message Queuing, and multiple types of key-value storage services.
Spring Boot
Spring boot provides automatic injection configuration for lettcue and Jedis clients, and provides abstract interfaces
First, Window under Installation: https://github.com/MSOpenTech/redis/releases . Redis supports 32-bit and 64-bit. This need according to the actual situation of your system platform choice, here we download Redis-x64-xxx.zip compressed package to C
Redis clustered Redis cluster under windows:If you deploy to more than one computer, it is the same as a normal cluster; Because Redis is single-threaded, multicore CPUs can only use a single core,So on the same computer, you can increase CPU
Learning background
Today is January 2, 2015, the New Year has just begun the next day, I wish everyone Happy New Year's Eve (late blessing bar ^_^). I've been writing the jquery Plugin development series for a while, and this series of
There is also a background service concept in the redis system. The background service and background thread mainly act as background I/O service in redis. With the support of background threads, the execution efficiency of the system will
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