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background As more and more data intensive applications such as big data and AI begin to be deployed and run in Kubernetes environment, the differences between the design concept of data intensive application computing framework and the original flexible application layout of cloud lead to data access and computing bottlenecks. Cl ...

01 introduction In the previous blog, we have a certain understanding of the use of Flink batch streaming API. Interested students can refer to the following: Flink tutorial (01) - Flink knowledge mapFlink tutorial (02) - getting started with FlinkFlink tutorial (03) - Flink environment constructionFlink tutorial (04) - getting started wi ...

Python WeChat Subscription Applet Course Video https://edu.csdn.net/course/detail/36074 Python Actual Quantitative Transaction Finance System https://edu.csdn.net/course/detail/35475 CSS Cascading Style Sheet Three characteristics Cascade: The same style overrides Inheritance: Attributes can be inherited down Priority: The smaller the r ...

Role of a copy 1.Kafka replica function: improve data reliability. 2. The copy in Kafka is divided into Leader and Follower. Kafka producers will only send data to leaders, and then Follower will find leaders to synchronize data. The reading and writing is completed by the leader. The follower only backs up and synchronizes data with th ...

On the right side of the page, there is a directory index, which can jump to the content you want to see according to the titleIf not on the right, look for the left Main article link https://blog.csdn.net/grd_java/article/details/115639179Chapter I: environmental construction https://blog.csdn.net/grd_java/article/details/115693312 If you hav ...

Author | CHEYANG Fluid community committer Xie Yuandong Fluid community committer Source| Alibaba cloud official account **Introduction: * * elastic scaling is one of the core capabilities of Kubernetes, but it has always been carried out around this stateless application load. Fluid provides the elastic scalability of distributed cache, ...

identifier In Python, all identifiers can include English (case sensitive), numbers, and underscores (), But it cannot start with a number. Start with a single underscore_ The class to be imported cannot be accessed directly through the class provided by XXX, but the class provided by foo. Double underlined__ foo represents the private membe ...

1, Flume optimization 1. Adjust the memory size of Flume process, It is recommended to set 1G~2G. Too small will lead to frequent GC Because Flume process is also based on Java, it involves the memory setting of the process. Generally, it is recommended to set the memory of a single Flume process (or a single Agent) to 1G~2G. If the memory is ...

brief introduction The goal is to let cloud data warehouse users and developers experience the main process of building cloud native data warehouse based on AnalyticDB MySQL and DMS through simple steps. The scene will be through the links of instance opening, structure and data initialization, report development, report visualization and so o ...

This article refers to Flink version 1.14.0 Pre knowledge If you only want to know about Flink, you can skip it. If you need to start development, you must master the pre knowledge first. There are many articles about calculate and Flink SQL on the Internet. You can refer to: flink sql knows why (6) | flink sql dating call (read this article ...