Common maintenance query commands of radware load balancer

Today we bring you the common maintenance query commands of radware load balancer.View interface addressappdirector#net ip Interface Table IP Address Network Mask If Number VlanTag 1.1.1.1 255.255.255.0 8 0 10.130.31.51 255.255.255.224 17 0View routing tableappdirector#net route table Routing Table Destination Network Mask Next Hop Interface Ty ...

Posted by areid on Thu, 18 Nov 2021 16:45:19 -0800

NOIP-2011-J1-real problem analysis

1, Multiple choice questions 1. B. basic problem, investigate binary operation 2. B, basic question, 48 + 9 = 57 3. C, basic questions, storage space calculation, 8GB/2MB=8*1024/2=4096 4. C, basic questions, basic computer knowledge, Moore's law 5. B. according to the meaning of the question, any two of the seven vertices have exactly one edge ...

Posted by Zomie on Thu, 18 Nov 2021 16:44:31 -0800

jvm online troubleshooting and performance tuning "super detailed nanny level, you can understand it at a glance"

preface 1. How to analyze the method of high CPU utilization of JVM. 2. How to troubleshoot online jvm memory leaks. 3. How to locate the jvm thread deadlock problem. 4. How to solve the problem of jvm frequently full gc, etc. These problems will be solved step by step through this article. 1, Pre preparation 1. First prepare a web s ...

Posted by kinaski on Thu, 18 Nov 2021 16:43:05 -0800

Vue3 study notes -- advanced usage of vue3 setup()

This article has more dry goods. It is recommended to collect! When upgrading from vue2 to vue3, vue3 is compatible with vue2, so vue3 can adopt the optional API of vue2. Because one variable of the optional API exists in many places, if there is a problem, you need to check in multiple functions. When the project is large, it will encounter ...

Posted by ~J~R~R on Thu, 18 Nov 2021 16:38:04 -0800

This article takes you through the tower of Hanoi and its deformation problems

Ordinary Hanoi Tower Interested children's shoes can contact and communicate with me~ Official account: swim the code sea more high quality original articles are inside! The Tower of Hanoi is a mathematical problem based on a legend: There are three poles A, B and C. There are N (N > 1) perforated discs on rod A, and the size of the ...

Posted by markbm on Thu, 18 Nov 2021 16:29:50 -0800

Big data development review Spark

11,spark 11.1 introduction to spark Apache Spark is a unified analysis and computing engine for large-scale data processing Based on memory computing, Spark improves the real-time performance of data processing in the big data environment, ensures high fault tolerance and high scalability, and allows users to deploy Spark on a large number o ...

Posted by Teddy B. on Thu, 18 Nov 2021 15:08:47 -0800

MySQL backup and recovery

1, Overview of backup and recovery 1.1 backup function Disaster recovery: hardware failure, software failure, natural disaster, hacker attack, misoperation test and other data loss scenarios 1.2 types of backup Full backup: backs up the entire databasePartial backup: backs up a subset of the database, such as a partial library or tableI ...

Posted by Jeyush on Thu, 18 Nov 2021 13:22:47 -0800

Easily complete a distributed transaction TCC with Java, a real nanny tutorial

What is TCC? TCC is the abbreviation of Try, Confirm and Cancel. It was first proposed by a paper entitled Life beyond Distributed Transactions:an Apostate's Opinion published by Pat Helland in 2007. TCC composition TCC is divided into three stages Try phase: try to execute, complete all business checks (consistency), and reserve necessary b ...

Posted by [UW] Jake on Thu, 18 Nov 2021 08:55:33 -0800

spring transaction related

Java video tutorialhttps://www.xin3721.com/eschool/Javaxin3721/ When I went to the interview before, I was asked how to solve a spring nested transaction. When asked, I was speechless. It happened that the current project just used nested transactions. Distributed transactions are also being attempted. So now I have learned something about nest ...

Posted by jhoop2002 on Thu, 18 Nov 2021 08:41:15 -0800

Common Java classes - comparison classes

Comparison class introduce Under normal circumstances, objects in Java can only be compared: = = or! =, Comparison of > or < is not possible. However, in the development scenario, we need to sort multiple objects, that is, we need to compare the size of objects. How to implement: you need either of the two interfaces: Comparable or Co ...

Posted by buckboru on Thu, 18 Nov 2021 08:27:24 -0800