How to deploy and install Redis 6.2.0 using CentOS 7.5 source package
Install Redis 6.2.0
wget http://download.redis.io/releases/redis-6.2.0.tar.gz
yum -y install gcc automake autoconf libtool make
tar - xzvf redis-6.2.0.tar.gz && redis-6.2.0.tar.gz
cd redis-6.2.0
make
cd src
make install PREFIX=/usr/local/ redis
If zmalloc.h:50:31: Fatal error occurs: jemalloc/jemalloc.h: There is no such file or directory, then run the command
make MALLOC=libc
cd ../
mkdir /etc/redis
mv redis.conf /etc/redis/
vim /etc/redis/redis.conf
//Change daemonize no to daemonize yes. Enter the number of lines gg to quickly skip lines. For example, jump to line 138 and enter: 138gg
//Comment line 70 bind
//Change protected-mode on line 90 to no
//Uncomment line 502 and change the password
Add Redis to boot
cat >> /etc/rc.local /usr/local/redis/bin/redis-server /etc/redis.conf
EOF
Open Redis
/usr/local/redis/bin/redis-server /etc/redis/redis.conf
cat >> /etc/profile < ;
EOF
source /etc/profile
Common commands
redis-server /etc/ redis.conf //Start Redis
pkill redis //Stop Redis
Restart Redis:
#First query the pid of Redis, kill it, and then restart
[root@localhost bin ]# ps -elf | grep -v grep | grep redis
root 20940 1 0 12:12 ? 00:00:18 ./redis-server *:6379
[root@localhost bin]# kill 20940
[root@localhost bin]# redis-server redis.conf
Use Redis Desktop Manager to remotely connect to the Redis server
Uninstall Redis:
rm -rf /usr/local/redis //Delete Installation directory
rm -rf /usr/bin/redis-* //Delete all Redis related command scripts
rm -rf /root/download/redis-6.2.0 //Delete the Redis decompression folder
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Redis is a memory data structure storage system, mainly used as a database, cache and message broker. Its core features include single-threaded model, I/O multiplexing, persistence mechanism, replication and clustering functions. Redis is commonly used in practical applications for caching, session storage, and message queues. It can significantly improve its performance by selecting the right data structure, using pipelines and transactions, and monitoring and tuning.

The main difference between Redis and SQL databases is that Redis is an in-memory database, suitable for high performance and flexibility requirements; SQL database is a relational database, suitable for complex queries and data consistency requirements. Specifically, 1) Redis provides high-speed data access and caching services, supports multiple data types, suitable for caching and real-time data processing; 2) SQL database manages data through a table structure, supports complex queries and transaction processing, and is suitable for scenarios such as e-commerce and financial systems that require data consistency.

Redisactsasbothadatastoreandaservice.1)Asadatastore,itusesin-memorystorageforfastoperations,supportingvariousdatastructureslikekey-valuepairsandsortedsets.2)Asaservice,itprovidesfunctionalitieslikepub/submessagingandLuascriptingforcomplexoperationsan

Compared with other databases, Redis has the following unique advantages: 1) extremely fast speed, and read and write operations are usually at the microsecond level; 2) supports rich data structures and operations; 3) flexible usage scenarios such as caches, counters and publish subscriptions. When choosing Redis or other databases, it depends on the specific needs and scenarios. Redis performs well in high-performance and low-latency applications.

Redis plays a key role in data storage and management, and has become the core of modern applications through its multiple data structures and persistence mechanisms. 1) Redis supports data structures such as strings, lists, collections, ordered collections and hash tables, and is suitable for cache and complex business logic. 2) Through two persistence methods, RDB and AOF, Redis ensures reliable storage and rapid recovery of data.

Redis is a NoSQL database suitable for efficient storage and access of large-scale data. 1.Redis is an open source memory data structure storage system that supports multiple data structures. 2. It provides extremely fast read and write speeds, suitable for caching, session management, etc. 3.Redis supports persistence and ensures data security through RDB and AOF. 4. Usage examples include basic key-value pair operations and advanced collection deduplication functions. 5. Common errors include connection problems, data type mismatch and memory overflow, so you need to pay attention to debugging. 6. Performance optimization suggestions include selecting the appropriate data structure and setting up memory elimination strategies.

The applications of Redis in the real world include: 1. As a cache system, accelerate database query, 2. To store the session data of web applications, 3. To implement real-time rankings, 4. To simplify message delivery as a message queue. Redis's versatility and high performance make it shine in these scenarios.

Redis stands out because of its high speed, versatility and rich data structure. 1) Redis supports data structures such as strings, lists, collections, hashs and ordered collections. 2) It stores data through memory and supports RDB and AOF persistence. 3) Starting from Redis 6.0, multi-threaded I/O operations have been introduced, which has improved performance in high concurrency scenarios.


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