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Click Redis installation Make the file have miscellaneous attributes chmod a+x /etc/init.d/redis Crond service related commands( reference resources) crond service To install crontab: yum install crontabs Service operation instructions: /sbin/service crond start //Start service /sbin/service crond stop //Shut down service /sbin/se ...

Spring boot integrates Redis to implement caching Redis redis is simply a memory based non relational database that stores data in the form of key value pairs. The advantage is obvious. Because it is stored in memory, it reads very fast. This speed is completely unmatched by mysql and other databases, so we often use redis as cache to reduce ...

hiredis Hiredis is an open source C library function that provides basic redis operation functions, such as database connection, sending commands, releasing resources, etc 1,hiredis net hiredis itself is a cross platform code. It is built in c language and can be executed on a variety of platforms. Let's see what his net block has done #in ...

Set setThe data in the set cannot be re readSADD key member [member ...]Adds an element to the set collectionSMEMBERS keyView all elements in the collectionSISMEMBER key memberCheck whether a data is in the collectionSCARD keyView the number of set data, that is, the length of the setSREM key member [member ...]Removes the specified element fro ...

From the official English website https://redis.io/download Or Chinese official website http://redis.cn/ Download Redis installation packageAfter downloading, double-click to open VMware Workstation Pro, select the virtual machine CentOS 7 to use, click "open this virtual machine", and enter the root user and the corresponding passwor ...

Most of the notes are taken when station B meets Redis said by crazy God. By the way, the pictures and texts are combined and recorded for easy review and only for learning! Video address: https://www.bilibili.com/video/BV1S54y1R7SB?t=250 The author is really very good. I remember Sanlian If there is infringement, please contact to delete! 1 ...

Redis detailed notes Notes: the Redis course of crazy talking about Java in station B: https://www.bilibili.com/video/BV1S54y1R7SB 1, NoSQL overview 1. Why use NoSQL Now is the era of big data (data that cannot be solved by ordinary databases: big data (mass storage and parallel computing)) SQL => NoSQL 1. Bottleneck in sta ...

1.String type and its application2.hash type and its application3.list type and its application4.set type and its application5.Zset type and its application6. Summary 1.String type and its applicationString type is our most commonly used type, and some people even use only this type.//The most commonly used api //Single value operation set key ...

1, Multilevel cache architecture 2, Cache design 1. Cache penetration Cache penetration refers to querying a data that does not exist at all, and neither the cache layer nor the storage layer will hit. Generally, for the sake of fault tolerance, if the data cannot be found from the storage layer, it will not be written to the cache layer. ...

catalogue I Installing and configuring redis II Five data types III Spring boot integrates Redis IV Using fastjason to realize the mutual conversion of String and List (Redis stores Java objects) V Publish and sub scribe Vi Persistence VII Master slave copy (read / write separation) Master: Slave VIII Cache ex ...