tauri + vue + vite rust “` According to https://tauri.app/zh-cn/v1/guides/getting-started/prerequisites, install rust under different systems Execute cargo –version to check whether the installation is complete. You can use cargo to create a hello project to verify whether rust is installed successfully. Generally, it is not necessary. “` nodejs “` Install nodejs “` tauri “` cargo […]
Tag: emr
Application of chaotic system in image encryption (chaos circuit of charge-controlled memristor)
Application of chaotic system in image encryption (chaos circuit of charge-controlled memristor) Preface 1. What is a charge-controlled memristor? 2. Chaos circuit design of dual charge-controlled memristor 3. Analysis of chaotic circuit characteristics of dual charge-controlled memristor 1. Timing diagram and phase diagram 2. Power spectrum and Poincaré cross-section mapping 3. Equilibrium point and its […]
Use Hue to play with Amazon EMR (SparkSQL, Phoenix) and Amazon Redshift
Current situation Apache Hue is a web-based interactive SQL assistant that can help big data practitioners (data warehouse engineers, data analysts, etc.) interact with data warehouses in SQL. Install Hue by checking the box when your Amazon EMR cluster starts. After Hue is enabled, the original work of logging in to the master node to […]
Solution: How to execute pure SQL files on Amazon EMR Serverless?
Best Practice: How to gracefully submit an Amazon EMR Serverless job?
The blogger took three years to create “Big Data Platform Architecture and Prototype Realization” : The book “Practical Combat in Data Center Construction” has been published by the well-known IT book brand Electronics Industry Publishing House Bowen Viewpoint, click “Heavy Recommendation: Building a Big Data Platform is Too Difficult!” Send me an engineering prototype! “Learn […]
Build a Real-Time Data Lake on Amazon EMR
Foreword When the company’s business development encounters a bottleneck, business analysts and decision makers will always hope to cross-analyze a large amount of business data and user behavior data to answer “why is the profit declining?” “why is the inventory turnover slow?” etc. In the end, the whole point of “dry goods” will be released […]
EMR task scheduling with Apache DolphinScheduler
By AWS Team Preface With the expansion of enterprise scale and the surge of business data, we will use the Hadoop/Spark framework to process ETL/aggregate analysis jobs of large amounts of data. These jobs will need to be scheduled regularly by a unified job scheduling platform. In Amazon EMR, you can use AWS to provide […]
Reading database of Spring Batch – custom PreparedStatementSetter of JdbcCursorItemReader (38)
1. Custom PreparedStatementSetter Refer to my other blog for details: Spring Batch reading database – JdbcCursorItemReader (35) – Programmer Sought 2. Project example 1. Project example 2. Code implementation BatchMain.java: package com.xj.demo29; import org.springframework.batch.core.Job; import org.springframework.batch.core.JobExecution; import org.springframework.batch.core.JobParametersBuilder; import org.springframework.batch.core.launch.JobLauncher; import org.springframework.context.ApplicationContext; import org.springframework.context.support.ClassPathXmlApplicationContext; /** * @Author : xjfu * @Date : 2021/10/26 20:01 * […]
Based on EMR Serverless StarRocks, extremely fast and comprehensive multi-dimensional analysis of the 21st World Cup
EMR Serverless StarRocks is a fully managed service of the open source StarRocks on Alibaba Cloud. You can flexibly create and manage StarRocks instances and data through EMR Serverless StarRocks. As an OLAP analysis engine compatible with the MySQL protocol, StarRocks provides extreme performance and rich OLAP scenario models, including OLAP multidimensional analysis, data lake […]
Using Alluxio to Optimize Flink Join on EMR
Business context & pain points In stream processing business scenarios, real-time message data often needs to be queried or aggregated with historical stock data. For example, in the common order scenario of e-commerce, the order table is used as a real-time fact table, which is typical streaming message data. In Kafka, customer information and commodity […]