SpringBoot Admin2.0 integrated Java diagnostic artifact Arthas practice

The project initially used Arthas for two purposes: Through arthas, we can solve the problem of realizing the performance problem analysis tool of test environment, performance test environment and production environment. By using the combination of jad, mc and redefine functions, the ability of hot update of some node codes in the prod ...

Posted by graziano on Tue, 08 Mar 2022 00:33:21 +0100

Istio Best Practices Series: how to implement method level call tracing?

Zhao Huabing, senior engineer of Tencent cloud, Istio Member, management member of ServiceMesher, contributor of Istio project, is keen on open source, network and cloud computing. At present, it is mainly engaged in open source and R & D of service grid. introduction TCM (Tencent Cloud Mesh) is a Service Mesh hosting service based on Ist ...

Posted by Chris92 on Mon, 07 Mar 2022 19:43:46 +0100

Stack SQL optimization case: implicit conversion

The data stack is a cloud native one-stop data center PaaS. We have an interesting open source project on github and gitee: FlinkX , FlinkX is a unified data synchronization tool for batch flow based on Flink. It can collect both static data and real-time changing data. It is a data synchronization engine integrating global, heterogeneous and b ...

Posted by monkuar on Mon, 07 Mar 2022 19:42:08 +0100

Eighteen postures for constructing Go application docker image

Cultivation background I worked overtime day and night to develop the simplest Go Hello world application. Although I just quit after printing, my boss also asked me to go online, the only application I can write. The project structure is as follows: . ├── go.mod └── hello.go hello.go code is as follows: package main func main() { pr ...

Posted by biffta on Mon, 07 Mar 2022 02:51:19 +0100

Git notes tutorial (contents of chapters 1 to 4 of this article)

Git notes tutorial (contents of chapters 1 to 4 of this article) My first blog, a rookie (student), I hope the big guys will give me some advice. Chapter 1 initial of git 1.1 what is git? git is a distributed version control system, which is simply understood as version superposition, as shown in the following figure We are developing ...

Posted by superjoe30 on Sun, 06 Mar 2022 03:06:46 +0100

A "date" between MQTT and CoAP in EMQ X world

With the progress of 5G network technology, the world of Internet of things is also developing rapidly. Today, countless Internet of things devices are glowing in all corners of the world. However, unlike the traditional Internet, end-to-end communication has always been a difficulty in the Internet of things business. Different Internet of th ...

Posted by drunkenfury on Sat, 05 Mar 2022 03:42:41 +0100

SST import without dependency on Nebula Exchange

This article tries to share the steps of SST writing in Nebula Exchange in a minimum way (stand-alone, containerized Spark, Hadoop and Nebula Graph). This article applies to v2 5 or above versions of Nebula Exchange. Original link: Foreign visits: https://siwei.io/nebula-exchange-sst-2.x/ Domestic visits: https://cn.siwei.io/nebula-exc ...

Posted by R0bb0b on Fri, 04 Mar 2022 20:21:59 +0100

Qt development experience tips 111-120

The slash of file path is also different on different platforms. For example, linux system generally has / slash, while windows has \ two backslashes. Qt itself supports the path of / slash in both win and linux. However, some third-party libraries may need to be converted to the path of the corresponding system, which requires slash convers ...

Posted by stonecold on Fri, 04 Mar 2022 06:33:01 +0100

elasticsearch uses ik Chinese word segmentation

1, Background es comes with a lot of word splitters, such as standard, whitespace, language (such as english), but they are not very good for Chinese word segmentation. A third-party word splitter ik is installed here to realize word segmentation. 2, Install ik word splitter 1. Find the word breaker matching this es version from github # Do ...

Posted by gvanaco on Fri, 04 Mar 2022 03:41:42 +0100

Haotaoke hungry rebate system - takeout rebate coupon system - support meituan, hungry takeout and supermarket / movie tickets, and support multi-level agent rebate

Support for us group, hungry takeaway and super / movie tickets support multi class agency rebate mode, speed up 1 minutes to complete deployment of the shelves to support personal / business official account + small program perfect combination, immediately experience the official account demo. Take out rebate cps distribution system daily tak ...

Posted by skbanta on Fri, 04 Mar 2022 00:52:02 +0100