Hbase o&M fault case analysis
During the operation and maintenance of the HBase cluster, RegionServer breaks down abnormally, service write delay increases, or service write failure occurs. This chapter combines...
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Category: Big data
Design and Implementation of Kafka Application Layer Cache Architecture Based on SSD
December 15, 2023
by Kathryn Paterson-Murphy
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Kafka currently plays the role of data buffering and distribution in the Meituan data platform. As shown in the figure below, business logs, access layer...
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The only one in China, AliCloud has advanced into the “strong performer” quadrant of Forrester’s data flow analysis report
December 15, 2023
by Caleb Christiansen
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Recently, authoritative consulting firm Forrester released the 2021 Q2 Global Data Flow Analysis Report. With its leading real-time computing products, developer friendliness and large-scale practices,...
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2, Kafka 2.8.0 source environment construction
December 15, 2023
by Lavanya Hans
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JDK installation is very simple, here we can install the JDK 8 (although the current version of the JDK is 16, but a large part...
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Apache SuperSet 1.2.0 Tutorial (3) — Detailed diagram features
December 15, 2023
by James Gonzalez
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Through the study in the previous chapter, we have successfully installed SuperSet, connected to the MySQL database, and visualized the data of King Hero. The...
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Realtime DB technology details
December 15, 2023
by Kartik Grewal
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NoSQL database based on MongoDB, so it has different optimization direction and functional characteristics from the relational database. The server-side API is designed to support...
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ClickHouse Series – Section 1 – Overview
December 15, 2023
by Eshani Sule
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ClickHouse is an OLAP-enabled column database management system released by Yandex in Russia. What he is most praised for is how fast his queries are....
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Ins and outs of the star ring r&d director for you reveal TDH8.0 | TDH8.0 use required 3
December 14, 2023
by Paul Haines-Burr
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In March 2021, Star Huan Technology released version 8.0 of TDH, its high-speed big data platform. I believe many users are very interested in this...
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[KAFKA actual combat] partition redistribution may appear the problem and the investigation problem thought (production environment actual combat, dry goods!! Very dry!!!!!! Suggested Collection)
December 14, 2023
by Deborah Smith
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How can the daily operation and maintenance problems be solved without the Logikm one-stop Kafka monitoring and control platform of Didi Open Source? This article...
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The first batch of domestic! Aliyun real-time computing Flink version passed the ICT big data product capability test
December 14, 2023
by 袁佳穎
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On June 24, 2021, China Academy of Information and Communications Technology (hereinafter referred to as "China Telecommunications Academy") hosted the "2021 Big Data Industry Summit...
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How does MAXCOMPUTE update data for non-transactional tables
December 14, 2023
by Amira Lad
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For most storage formats in big data, supporting random updates is complex. It scans large files. The latest Transactional table functionality introduced by MaxCompute supports...
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Cloud small classes | large data fusion analysis: GaussDW (DWS) easily import MRS hybrid data source
December 14, 2023
by Megan Davis
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Abstract: By establishing the connection between GausSDB (DWS) and MRS, it supports the data warehouse service SQL on Hadoop, and realizes the quick import of...
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Easily achieve AD hoc queries, SmartBI to meet users’ diverse analysis needs
December 14, 2023
by William Mendoza
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Ad hoc query is the user according to their own needs, flexible choice of query conditions, the system can generate the corresponding statistical reports according...
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SPARK3.0 source code read —- Environment ready source code (YARN cluster)
December 14, 2023
by Cynthia Smith
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Spark submits a calculation by calling spark-submit. Spark-submit calls the spark-submit script in the bin directory. We open the spark-submit script.
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The Excel data model automatically generates Hive tabular sentences
December 14, 2023
by 遊信宏
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In the process of daily data development, it is often necessary to write a table-building sentence according to the data model. Each time it takes...
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In place of the TimeScaleDB, TDengine takes over a photovoltaic system that is growing by 4 billion data bytes a day
December 14, 2023
by Lindsay Benson
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Eight-Five Information new energy power Internet of things platform uses TDengine to store, query and analyze real-time data of Internet of things devices, as well...
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How did this innovative school build a digital management network using Tailor?
December 14, 2023
by Jessica Holland
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Introduction: Hangzhou Cloud Valley School has built a digital campus management network with low cost and high efficiency through the continuous combing and digging of...
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Smart software depth: data analysis model of the funnel analysis
December 14, 2023
by Prisha Dugar
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As we all know, funnel analysis is an important method in data analysis. Funnel analysis is an analysis model that can objectively reflect user behavior...
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Hive window function/analysis function detailed analysis
December 14, 2023
by Janet Lord
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In SQL, there are a class of functions called aggregate functions, such as sum(), avg(), Max (), etc. These functions can regularly aggregate multiple rows...
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Are you still worried about the transformation of enterprise digital decision-making? Come here to consult the experts!
December 14, 2023
by Jessica Wood
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This year's epidemic forced almost all enterprises to realize that digital transformation has become a necessity. Enterprises are no longer entangled in the choice question...
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Hivemq Tdengine Extension Guidelines
December 14, 2023
by Luke Blackwell
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Let's briefly introduce the deployment and use of HIVEMQ Extension for TDEngine. Tdengine and HIVEMQ Deployment Method Tdengine simply install the latest Tdengine Server. See...
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Open source is about to be thorough, from the technical innovation and design ideas to understand TDEngine
December 14, 2023
by Rasha Choudhury
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How did Tdengine get to where it is today from nowhere to GitHub? How does TDEngine achieve superior storage and query performance? Why choose open...
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USDP is actually built, which can replace CDH’s free big data suite platform
December 14, 2023
by Reece Iqbal
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In the last few years, Two big Data pioneers, Cloudera and Hortonworks, provide us with two enterprise-class Hadoop solutions, CDP (Cloudera Data Platform) and HDP...
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CTO’s talk about data middle platform (top) : from requirements, methodology to application practice
December 14, 2023
by Judith Bennett
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At present, the concept of data middle platform is hot, but the industry has different opinions on what is a data middle platform and how...
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SmartBi: It is imperative for the cement industry to achieve digital transformation and upgrading
December 14, 2023
by Elizabeth Ford
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Along with the progress of The Times, under the background of the old and new kinetic energy conversion, the future of the cement industry will...
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Chinese cloud native user questionnaire in 2021
December 14, 2023
by Katie Lambert
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Abstract: In order to further understand the overall picture of the development of China's cloud primary industry, China Academy of Information and Communications Technology (CAICT)...
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Do Data Analysis, Beware of Five Mistakes – SmartBi
December 14, 2023
by Hiran Kaur
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Data analysis is one of the most popular fields of information technology today, which can bring significant benefits to enterprises. It is objective to record...
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Top secret documents open! Unveils the number stack navigation design idea for the first time
December 14, 2023
by Emily Brown
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Back in 2017, the stack didn't have so many sub-modules, only two parts: offline development + real-time development. So there was no problem in navigation...
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ES– Longitude and Latitude query
December 14, 2023
by Harriet Thompson-Hughes
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Geo Elasticsearch Reference [7.10] SELECT * FROM 'Queries' WHERE (1) [TOC] SELECT * FROM' Queries' WHERE (2) [TOC] SELECT * FROM 'Queries' WHERE (3) [TOC]...
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The overall architecture design and implementation of MRS IOTDB timing database are deeply interpreted
December 14, 2023
by 李馨儀
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MRS IOTDB is the latest time series database product launched by Huawei FusionInsight MRS big data suite. Its leading design concept has shown more and...
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