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This article is about GitHub https://github.com/Jack-Cherish/PythonPark Has included, there are technical dry goods articles, collated learning materials, interview experience sharing of first-line large factories, etc., welcome to Star and improve. 1, Waste classification Do you remember the gar ...

@[toc] 1, ES backup 1.1 basic concepts    Elasticsearch replica provides high reliability; partial node loss can be tolerated without service interruption. However, replicas do not provide protection against catastrophic failures. In this case, it is necessary to back up for processing.   backup Elasticsearch clusters can us ...

1. Overview The core of this course is the concept of the network - the network is a mode of interrelationship between things. For example, the social network we are in reflects the social connection between friends. wait. 1.1 basic problems of network Let's start with the network structure in sev ...

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Python asynchronous programming preface Now it's Python 3.5 and it has entered the asynchronous era Because of the existence of GIL (global lock), python can not play the advantage of multi-core, and its performance has been criticized. However, in IO intensive network programming, asynchronous processing is hundreds of times more efficient ...

APM is the abbreviation of Application Performance Monitoring, which monitors and manages the performance and availability of software applications. Application performance management is very important for the continuous and stable operation of an application. So this article talks about how to accurately monitor and report data from the perspe ...

1. Introduction In the previous receiving ActiveMQ and code cases, you have configured: broker-url: tcp://192.168.106.131:61616 See the default protocol of ActiveMQ for TCP. However, ActiveMQ processing supports TCP thank you. It also supports client broker communication protocols: TCP, NIO, UDP, ...

pod overview Pod is the basic execution unit of Kubernetes application, that is, it is the smallest and simplest unit created or deployed in Kubernetes object model. Pod represents the process running on the cluster. Pod encapsulates application containers (or in some cases multiple containers), stora ...

Note: This article is from the course of direct division of network architecture division of MOOC Environmental preparation: Three virtual machines: linux (centos7 64 bit); ** 192.168.237.128；**192.168.237.129； ** 192.168.237.130；** 1, Building three tomcat clusters with nginx 1. Install nginx ...

1, What is serialization and deserialization? Java serialization refers to the process of converting Java objects into byte sequences; Java deserialization refers to the process of restoring byte sequences to Java objects. 2, What does serialization do? Object persistence, which can permanently s ...