Interview skills -HiveSQL optimization
Hive SQL applies to most scenarios of offline data processing in the big data field. Hive SQL optimization is also a skill we must master,...
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Tag: Big data
The era of “automated data governance” in the data Center has come
January 22, 2024
by Neelofar Mahajan
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Yiou Industrial Internet channel launched the "Digital Innovation" salon in Shanghai InnoSpace on October 24th. The event brought together Luo Yiqun, director of E-commerce Technology...
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9 boot camps open for free! Ali Cloud big data team’s unique skills are all here!
January 22, 2024
by Murray Wilkinson
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Here's your chance! The most anticipated big data developer technology feast this summer, 9 training camps, want to become a data expert students must not...
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Application of Didi Big Data in the risk control scenario of auto finance
January 22, 2024
by Tracy Cooper
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Didi's unique big data of travel scenarios has a very broad application prospect in the financial field. In the future, it can further cooperate with...
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Big data platform based on Ambari
January 22, 2024
by Anya Dass
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2. Prepare the host. Modify vm network Settings, disable SElinux, change the host name, disable the firewall, secure Shell (SSH) security exemption, enable the HTTP...
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Hadoop Big data field manual, 85 pages, comprehensive focus on practice, hd PDF recommended collection
January 22, 2024
by Margaret Bryant
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Anyone who knows big data knows that big data companies in the industry are always eager for big data talents. At the same time, I...
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Hadoop MapReduce nanny vomits blood gem gem, study and work must read this article!
January 22, 2024
by Abigail Ford-Little
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Hadoop related knowledge points are shown in the figure below, which will be explained one by one in this article: This document is compiled by...
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Under the epidemic situation AnalyticDB reveals the treasure artifact of community management!
January 22, 2024
by Patricia Jones
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The situation of people in and out is all manually recorded, and mistakes and omissions can not be timely and effectively dissuaded from frequent residents....
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In the introduction to start from scratch | Kubernetes service discovery and load balancing
January 22, 2024
by Leon Gallagher
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In a K8s cluster, applications are deployed via POD. Unlike traditional application deployment, which is deployed on a given machine, we know how to call...
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File transfer solution for IT Internet industry
January 22, 2024
by Garrett Marks
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"Radium Transmission Industry Solutions" is a summary of radium transmission service experience for 2W+ enterprises, covering film and television media, production and manufacturing, government agencies,...
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How does Flink+Kafka implement end-to-end exactly-once semantics
January 22, 2024
by 梁家銘
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Flink+Kafka how to implement end-to-end exactly-once semantics internally - using checkpoint mechanism, the state of the disk, when the failure can be recovered, to ensure...
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Big data Hadoop-MapReduce learning journey chapter 2
January 22, 2024
by 段雅芳
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This article introduces the Hadoop serialization mechanism, MapReduce workflow, the relationship between MapTask and slicing, and how to deal with small files.
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The balance of network QoS — The introduction of weak network countervailing strategy of audio and video
January 22, 2024
by Brooke Miller
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With the arrival of AI and 5G, audio and video applications will become more and more extensive, and people's demand for audio and video quality...
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In-depth interpretation of flink SQL CDC use and source code analysis
January 22, 2024
by 吳龍
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CDC, short for Change Data Capture, uses CDC to Capture committed changes from the database and send those changes downstream for downstream use. These changes...
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MapReduce Service Replace the external clock source in 10 steps
January 22, 2024
by Tina Simpson
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Abstract: The MapReduce Service cluster uses NTP to synchronize time. This document describes the NTP mechanism of the MapReduce Service cluster and how to configure...
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May I leave my name? Flink best Learning resources collection!
January 22, 2024
by Veronica Farley
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Flink has grown so rapidly that it is now the most popular framework for real-time computing, while articles on some parts of the web are...
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Cloud Zhisheng Atlas supercomputer platform: Computational acceleration Practice based on Fluid + Alluxio
January 22, 2024
by Alex Hall
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Abstract: This paper mainly introduces the computational acceleration practice of Cloud Zhisheng Atlas supercomputer platform based on Fluid + Alluxio, and how Fluid brings a...
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Distributed Deployment of Hadoop
January 22, 2024
by Jayant Chadha
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In the last in the first instance Hadoop: https://juejin.im/post/6844903991982161927 】 【 have installed JDK and Hadoop, and configure the environment variables, this article is on...
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Big data combat -Hive- Skills combat
January 22, 2024
by Prerak Luthra
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SQL distributeby,sortby, distributeby, distributeby,sortby Bucket list clusteredby (sno) sortedby (agedesc) into
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Implement Mysql cross-database data query based on Presto
January 22, 2024
by Inaaya Barman
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Business scenario: Data from generation to use requires data integration or transfer between different systems. To ensure data reliability during data integration, you need to...
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The most popular data update function has come, what users need, we open source what
January 22, 2024
by 張心怡
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Before August 3, 2020, the biggest feedback from the community members was: TDengine has excellent performance, it is much faster than Hadoop, and it is...
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About interface testing — design and implementation of automation framework
January 22, 2024
by Robert Morris-Ali
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In the eyes of most testers, just touching the "frame" feels very mysterious and distant. The reason why you think it's complicated is because it's...
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As Internet traffic entry, CDN log big data you how to play?
January 21, 2024
by Yakshit Saha
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CDN is a very important Internet infrastructure. Users can access various pictures, videos and other resources in the network quickly through CDN. In the process...
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Spring IOC, after reading this article, I finally understand!
January 21, 2024
by Anna Wolfe
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I found this good article on Zhihu, which can introduce SpringIOC (Inversion of Control) and DI (dependency injection) in a relatively easy way. I also...
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TableStore based on massive meteorological grid data solution combat
January 21, 2024
by Elijah Williamson
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Meteorological data is a kind of typical big data, which has the characteristics of large amount of data, high timeliness and rich data types. A...
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Both SQL engines run on HBase. What is the difference between Kylin and Phoenix?
January 21, 2024
by Stephen Little
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In the era of big data, more and more attention is paid to the value of data. Enterprises mine the information needed from massive big...
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On July 7, 2020 DES live | “open data: release new elements underlying motivation” BBS
January 21, 2024
by Madeleine Burton
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Digital economy is an increasingly important driver of global economic growth. It is playing an important role in accelerating economic development, improving labor productivity in...
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The practice and application of user portrait
January 21, 2024
by Joshua Collins
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The concept of "user-centered" is deeply rooted in the Internet era. However, to truly understand users and understand users, we have to mention "user portrait"....
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Hive3.1.2+ big data engine Tez0.9.2 installation, deployment and use test
January 21, 2024
by Robert Olson
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The process of installing TEz is a bit trickier, and compiling is relatively simple. Hadoop3.X is a Tez engine that needs to be compiled (for...
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Presto push-down optimization
January 21, 2024
by Gina Mann
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As simple as it seems, simply hand the SQL directly to mysql and presto fetch the final result. However, the biggest feature of Presto is...
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