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background The flink cluster in the company has been running for a long time and has not been fully monitored. Recently, it plans to do this. Through online research, the deployment mode adopted by the company is per job mode. Finally, the job index is pushed to the push gateway of the intermediate gateway based on prometheus, Then prometheus ...

catalogue ❤️ Effect display ❤️ 1. First look at the dynamic rendering   2. Rich theme styles I   Determine the demand scheme 1. Determine the screen LED resolution for product online deployment 2. Deployment mode   2, Overall architecture design 3, Coding implementation (based on length and readability, some key codes are ...

Pay attention to the official account: big data technology, reply to "information" and receive 1000G information. This article started on my personal blog: Spark SQL knowledge points and actual combat Spark SQL overview 1. What is Spark SQL Spark SQL is a spark module used by spark for structured data processing. Unlike the basi ...

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reflex What is reflection Oracle's official interpretation of reflection: Through reflection, we can get the member and member information of each type in the program or assembly at run time. The type of general objects in the program is determined at compile time, and Java reflection mechanism can dynamically create objects and call their prop ...

After nearly two years of optimization and polishing, Apache shardingsphere version 5.0.0 GA was finally officially released this month. Compared with version 4.1.1 GA, version 5.0.0 GA has been greatly optimized at the kernel level. Firstly, the kernel is completely transformed based on the pluggable architecture, and various functions in the ...

  preface: It seems that we did talk about heap in C language teaching before, but it is the heap in the operating system. The heap we are going to talk about today is the heap in the data structure. There are also stacks and heaps in the data structure, which has nothing to do with the stack and heap in the memory division of the operati ...

1, Experimental purpose By simulating several basic page replacement algorithms for request page storage management, understand the characteristics of virtual storage technology, master the basic ideas and implementation process of several basic page replacement algorithms in virtual storage request page storage management, and compare their e ...

Reference web address: https://www.cnblogs.com/wudequn/p/13149990.htmlHttpClient HttpClient is a somewhat special object that inherits the IDisposable interface but is shared (or reusable) and thread-safe. From project experience, it is recommended that HttpClient instances be reused throughout the lifecycle of the application rather than i ...

IO Flow Concepts IO: Input/Output (input)   /  output) Stream: is an abstract concept, which is the summary of data transmission, that is, the transmission of data between devices is called stream, which is essentially data transmission IO streams are used to process data transfers between devices and are commonly used for fi ...