Tag：engine
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Time：2021-7-31
Recommended Systems InstituteThe fourth paradigm is a series of courses for recommendation system enthusiasts to share the research and application of recommendation system. As the most popular big data processing framework, spark is widely used in machine learning scenarios and recommendation systems.The fourth paradigm optimizes the spark offline computing engine based on llvm, supports the […]
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Time：2021-7-27
Introduction:High frequency data high-performance one-stop solution for banks, insurance, securities companies and private placement. The quotation and transaction data of L1 / L2 financial market are very important data for quantitative transaction research. With the rapid evolution of digital services, the transaction data with time-series characteristics surge, which puts forward higher requirements for the underlying […]
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Time：2021-7-26
This paper introduces the construction of real-time computing platform of Baixin bank, the scheme and practical method of building real-time data lake on Hudi, and the way of integrating Hudi and using Hudi. The contents include: background Design and practice of real-time computing platform of Baixin bank based on Flink Integration practice of real-time computing […]
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Time：2021-7-26
When I first started learning web development, I always had a question – when did the code I wrote work? Does the web page change every time I change the code? Of course, now it must be a wrong idea. After a period of work and learning, the path of code to page conversion becomes […]
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Time：2021-7-25
Hello, I’m younger brother. A few days ago, I shared the second interview question, the interview site of search engine in MySQL. This question is the interview at normal temperature. After reading it, I’m sure you will gain something in terms of database engine If you haven’t read my first share, you can refer to […]
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Time：2021-7-25
React native version 0.64 has been released. The main update is to support Hermes on IOS. 1. IOS supports Hermes engine. Hermes is an open source JavaScript engine for optimizing the operation of react native. It improves performance by reducing memory utilization, reducing download size, and reducing the time required for application availability or “interaction […]
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Time：2021-7-15
At the past flutter engage event, we officially releasedFlutter 2: the ability to create beautiful, fast and portable applications for any platform is enhanced. Through flutter 2, developers can use the same code base to build native applications for five operating systems: IOS, Android, windows, Mac OS and Linux; And for chrome, Firefox, Safari and […]
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Time：2021-7-12
MySQL locks can be divided into three categories Global lock Watch lock Row lock Global lock Lock the entire database instance The order isFlush tables with read lock (FTWRL)When you make the whole database read-only, you can use this. After that, all the addition, deletion and modification operations of other threads will be blocked, including […]
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Time：2021-7-7
Hologres (Chinese Name: interactive analysis) is a one-stop real-time data warehouse developed by Alibaba cloud. This cloud native system integrates real-time services and big data analysis scenarios. It is fully compatible with PostgreSQL protocol and seamlessly connects with big data ecology. It can support real-time writing, real-time query and real-time offline federated analysis with the […]
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Time：2021-6-30
1. Binlog (binary log) 1.1 introduction to binlog binlog records the execution to the databasechangeIt also includes the time and execution time of the database change operation. Binlog has two main functions Recovery. Point in time recovery can be done through binlog. Replication. It can be used to build MySQL master-slave cluster. by […]
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Time：2021-6-27
The most basic of the front end isHTML+CSS+Javascript. If you master these three technologies, you can get started, but you are only getting started. Now the definition of front-end development is far more than that. Front end classroom（HTML/CSS/JS）In order to improve the level of technology and lay a solid foundation of knowledge, we have a […]
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Time：2021-6-25
Introduction:From the birth of Alibaba group to the commercialization of cloud, with the development of business and the evolution of technology, hologres is constantly optimizing its core technology competitiveness. In order to let you know more about hologres, we plan to continuously launch the series of revealing the underlying technology principles of hologres, from high-performance […]
