Connecting two Kafka clusters simultaneously in a single springboot project

Recently, due to the need of work, in a springboot project, we need to connect two kafka clusters to get data from the cluster and store it in the database for analysis. Before that, we used a cluster, two cluster connections have not been operated, after consulting, we finally found a way to record it. 1. First, you need to con ...

Posted on Tue, 23 Apr 2019 10:45:33 -0700 by Sergey Popov

Big Data Development Project-Telecom Project 2-Transmission Data

Article directory 1. Configuring flume files 2. Data Acquisition Part Gets Through 2.1 Start zookeeper and cluster 2.2 Start kafka cluster 2.3 Start flume Cluster 2.4 Production data 3 Data Consumption Environment Preparedness 3.1 Add maven configuration 3.2 Add maven configuration 4 Consumer Data Tools 4.1 PropertiesUti ...

Posted on Mon, 22 Apr 2019 18:06:34 -0700 by softnmedia

Result Details of Struts 2

In the last article, we introduced the content of Action receiving parameters in Struts 2. In this article, we will briefly learn four types of Result type of Action, which are: dispatcher (server page jump), redirect (client page jump), chain (action chain jump), redirect action (client action jump), and of course, other types. Here we will ta ...

Posted on Sun, 14 Apr 2019 21:00:31 -0700 by badt18

Java Introspective Mechanism

Explanation on Wiki: In computer science, introspection refers to the ability of a computer program to check Object types at runtime, which is also commonly referred to as runtime type checking. Introspection and reflection should not be confused. Reflection goes further than introspection, referring to the ability of a computer program t ...

Posted on Sun, 14 Apr 2019 18:12:32 -0700 by pomme

Access Path of Struts 2

The last article has shared with you three ways to create Struts 2 namespace and Action. In this article, we will discuss the access path of Struts 2. What is the access path? When we enter the address in the browser, click Enter and send requests to the server, this access path is what we are going to discuss today. On the knowledge point, we ...

Posted on Wed, 10 Apr 2019 22:00:32 -0700 by cetaces

[LNAMP Build IV] Apache Detailed Installation Steps

1. Reference Web Site Major Reference Websites: http://blog.csdn.net/leshami/article/details/50144179 2. Installation directory structure 3. Preparations Enter installation directory cd /data/soft/ mkdir apache Download dependency packages: wget http://archive.apache.org/dist/apr/apr-1.5.2.tar.gz wget http://archive.apache.org/ ...

Posted on Wed, 10 Apr 2019 19:06:32 -0700 by crazykid

Deep Understanding of Part 3 of the ajax Series - Header Information

Front words Each HTTP request and response carries the corresponding header information, some of which are useful to developers. XHR objects provide a way to manipulate header information. This article details HTTP header information   Default information By default, the following header information is sent along with the XHR request Acc ...

Posted on Wed, 10 Apr 2019 02:06:30 -0700 by Daisatske

Random Forest Algorithms of sparkMlib

Original address: http://www.tuicool.com/articles/I7bEJv2 The data set for this case is a local vector set (load LIBS vnfile) This is an example of SVM file format: 1 1:2 2:3 3:4 2 1:1 2:2 3:3 1 1:1 2:3 3:3 1 1:3 2:1 3:3 Introduction Spark memory computing framework plays an important role in the field of large data processing. In ...

Posted on Tue, 09 Apr 2019 09:24:31 -0700 by Spudgun

Apache Bench (ab) Tool Tests Web Performance Pressure

Web site performance stress testing is an indispensable part of the performance tuning process. Only when the server is under high pressure can it truly reflect the problems exposed by various settings. Apache has a built-in program called ab, which can be used for site access stress testing on Apache or other types of servers. Apache Bench Com ...

Posted on Sun, 07 Apr 2019 15:27:30 -0700 by classix16

Customized Upload Location of Baidu Editor Rich Text Editor

Because we want to edit rich text data on the website, we directly use Baidu's rich text editor, but this editor has a disadvantage. By default, files can only be uploaded to the root directory of the website, and can not customize the path. And the json configuration file can only be in the same directory as controller.jsp, which is not easy t ...

Posted on Thu, 04 Apr 2019 16:51:31 -0700 by fewtrem