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order This article mainly studies the ChangeEventQueue of debezium ChangeEventQueueMetrics debezium-v1.1.1.Final/debezium-core/src/main/java/io/debezium/connector/base/ChangeEventQueueMetrics.java public interface ChangeEventQueueMetrics { int totalCapacity(); int remainingCapacity(); } The ChangeEventQueueMetrics interface defines ...

springboot + docker + jenkins automatic deployment project. jenkins, mysql and redis are all operated by docker without using virtual machine. They are running on Alibaba cloud server (centos7) 1. Don't talk about the preparatory work 2. Create a new Dockerfile in the root directory of the project The contents of the Dockerfile file are: #base ...

Turn on Remote Desktop login by enabling screen sharing. After turning on, you need to turn off encryption. Otherwise, you will not be able to connect. Closing encryption can be done by using the system configuration tool dconf. So install dconf editor first. Update source and install system configuration tool (cannot install without updating s ...

1, Foreword The last work is made by the ffmpeg kernel. Because ffmpeg is too powerful, many beginners will see the state of confusion. There are also many users who only need a simple video stream to play, which does not need to involve the decoding and transcoding. So vlc came on the stage. It directly encapsulates ffmpeg in depth and provid ...

The cloud disk data volume is usually used for data storage when deploying stateful services in the Alibaba cloud ACK cluster. The cloud disk itself provides a backup (snapshot) recovery mechanism for data. However, how to integrate the underlying capabilities and K8S services and flexibly provide them to applications is a problem that the clou ...

  This chapter talks about the routing of angular Let's talk about how to introduce angular routing. In the beginning, the new angular project has its routing configured for you, but it depends on app.module.ts 1. First, the routing module should be introduced at the top import {RouterModule, Routes} from '@angular/ro ...

Spring clould Alibaba integrated Ribbon 1. Add annotation @ LoadBalanced on resttemplate 2. When calling, you can use the service name to call, which is the same way as the previous use of Eureka The default is polling policy @RequestMapping("/getGoods") public ResponseResult getGoods() { String url="http://goods-provide/getGoods"; ...

1, Fundamentals Here, "copy on write" is enclosed with a quotation mark, because this is specifically for the copy on write effect when rsync backup is used, rather than the actual copy on write effect. Its purpose is as follows: After backing up the data using rsync, create a snapshot immediately: The data state of the snapsh ...

My colleague planned to restart an EC2 instance two days ago, but the result was that his hand slipped to Termination, and then EC2 was tragic. Fortunately, there was a Snapshot backup, and the server was successfully restored after 15 minutes. It can be seen that reboot and terminate are very close, so in order to avoid the tragedy happening ...

Publishing service ServiceBean Release entrance ServiceBean implements the afterpropertieset() method of the interface InitializingBean public void afterPropertiesSet() throws Exception { //Set provider, application, registers //Publishing service if (!isDelay()) { export(); } } If the service has ...