Programmer Group

June 6, 2017 Redis's latest stable version is 3.2.9 1. Dependencies required to install and compile Update the software to the latest version yum update && yum upgrade Install compile dependencies yum install gcc make tcl 2. Download and unzip redis cd /usr/local wget http://download.redis.io/releases/redis-3.2.9.tar.gz tar zxv ...

Pipelining (pipeline) allows Redis clients to send multiple commands to Redis at one time. After receiving these commands, Redis processes them sequentially, and then returns the processing result of the request to the client at one time. Pipelining can reduce the number of network communications between the client and Redis to improve the per ...

1. Brief description When using HBase, if you have billions of rows or millions of columns of data, the ability to return a large amount of data in a query is subject to the bandwidth of the network, and even if the network conditions allow, the client's computing may not be able to meet the requirements.In this case, Coprocessors arise.It all ...

Interpretation of redis command Say Redis Distributed locks are implemented by combining setNx commands with getset. Before we talk about them, let's first understand the meaning of setNx and getset. redis The official website explains this. Note: redis commands are atomic operations SETNX key value Set the value of the key to value if and ...

Are you also stuck in redis, knowing why it is, and how to use it? A simple example of using message queues to send messages asynchronously under yii Preparations for redis~~ First of all, you have to configure redis service. I have written some articles about redis service before. You can refer to them here. https://segmentfault.com/a/11... y ...

Link to the original text: http://www.itbus.tech/detail.html?id=8739 Preparing knowledge Install Docker (version minimum 1.13). Read through Docker's Six Initials - Swarm And complete the content introduced in it. Copy a copy of docker-compose.yml. Make sure your virtual machines are available. Use docker-machines to view, execute docker-ma ...

Complexity analysis Large O Complexity Representation Common ones are O(1), O(n), O(logn), O(n logn) In addition to the large O representation, time complexity can be described in the following cases Best case time complexity Worst Case Time Complexity Average case time complexity Allocation time complexity Code Execution Efficiency Analysis ...

Personal notes are for reference only. 1. spring data redis recommends jedis, which is the java client of redis. <dependency> <groupId>org.springframework.boot</groupId><!-- Incidental introduction jedis Package --> <artifactId>spring-boot-starter-redis</artifactId> </dependency> ...

I. Processes and Threads 1. Process Our computer applications are all processes, assuming that the computer we use is single-core, and the CPU can only execute one process at the same time. When the program is blocked by I/O, it is too wasteful for the CPU to wait with the program. The CPU will execute other programs. At this time, it involves ...

CentOS 6.8 installs with yum sometimes without a newer version, so install it manually. Here are the steps. Download the latest version Take 3.2.8 as an example. Attach the address: redis-3.2.8.tar.gz  http://download.redis.io/releases/redis-3.2.8.tar.gz 1. Download Redis 3.2.8 installation package wget -C http://dow ...