Programmer Think

Abstract: as a self-developed service, Huawei Flink visual development platform FlinkServer can provide enterprise level features stronger than the native flinksql interface, such as centralized task management, visual development, multi data source configuration, etc. This article is shared from Huawei cloud community< Huawei FusionInsig ...

1. Background: I use Xiaobai in kafka. When I use kafka product production data, it is inconvenient to see whether there is data in kafka topic from the background. I looked online and found that an open source tool kafka eagle works better. 2. Software preparation: Official website link: EFAK Just started to download an official latest ver ...

26 data analysis cases -- the fourth station: web server log data collection based on Flume and Kafka Experimental environment Python: Python 3.x；Hadoop2.7.2 environment;Kafka_2.11;Flume-1.9.0. Data package Link: https://pan.baidu.com/s/1oZcqAx0EIRF7Aj1xxm3WNw Extraction code: kohe Experimental steps Step 1: install and start the httpd s ...

preface We have finished the related concepts and implementation of the domain layer. I believe you have a certain understanding of the concept of DDD domain layer. The domain layer needs to complete the core business logic, which is the most core part of DDD. Let's start with the application layer. The application layer is above the doma ...

Configuration and parameter description Configuration parameters of consumer #If 'enable auto. If commit 'is true, the frequency (in milliseconds) that the consumer automatically submits to Kafka is offset, and the default value is 5000. spring.kafka.consumer.auto-commit-interval = 5000; #What to do when there is no initial offset in Kafka o ...

I am 🌟 Liao Zhiwei 🌟， one person 🌕 Java Development Engineer 🌕,📝 High quality creators in Java 📝,🎉 CSDN blog expert 🎉,🌹 Founder of the behind the scenes bigwig community 🌹. He has many years of front-line R & D experience, has studied the underlying source code of various common frameworks and middleware, and has practical archi ...

Background kafka Manager (now renamed CMAK) is the most popular kafka cluster management tool. It was first opened by Yahoo. Users can perform some simple cluster management operations on the Web interface.We install everything here from scratch.This JDK version selects [jdk1.8.0_301]; JDK8 official website download address. The version of ...

preface Recently, the kafka process crashed because of the company's production line server. After checking, the official website told me it was a bug. Just upgrade the version. Sometimes it just collapses. So the daemon is on the agenda. Colleagues have studied the supervisor. Now we can use it for process status query, guard and startup. Thi ...

Consumer multithreading implementation       KafkaProducer is thread safe, but KafkaConsumer is non thread safe. An acquire() method is defined in KafkaConsumer to detect whether only one thread is currently operating. If other threads are operating, a concurrentmodificationexception will be thrown: java.util.ConcurrentModific ...

Java client access Kafka Introducing maven dependency <dependency> <groupId>org.apache.kafka</groupId> <artifactId>kafka-clients</artifactId> <version>2.4.1</version> </dependency> <dependency> <groupId>com.alibaba</groupId> <artifactId>fastjson</artifactId&gt ...