Tag: Big data

reading

Stack product sharing: Kafka — The TA that you can’t live without

January 2, 2024

by Gina Mann

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With the continuous maturity of technology and the growing market demand, real-time development has become an indispensable part of the current big data development. In...

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The back-end

Elasticsearch 7.10 Search Shard Routing

January 2, 2024

by Debra Sampson

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To prevent hardware failures and increase search capacity, Elasticsearch can store copies of index data across multiple shards on multiple nodes. This process is called...

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The code of life

CentOS 7 Details about fixed IP addresses for VMS

January 2, 2024

by Navya Sarraf

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Note 1. The notebook host IP is automatically obtained for setting. In any case, it is not affected by the VIRTUAL machine and can access...

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The code of life

Problems caused by packing and unpacking

January 2, 2024

by 熊雅涵

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(2) The equals() method of reference types such as Interger and Float compares the values of two objects rather than their addresses. (3) If the...

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reading

Writing Book Notes on Digital Transformation – Day 30

January 2, 2024

by Anya Ratti

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Keep researching, keep writing. 4. Determine the data elements. We have identified the problem to solve, we have identified the person responsible, and we have...

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The code of life

Android Interview topic (8)

January 2, 2024

by 程詩涵

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1. Configchanges: ConfigChanges can be set to three values. If this parameter is not set, the life cycle of horizontal and vertical cuts is twice...

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The code of life

Simulation of the ticket

January 2, 2024

by Leanne Cooksley

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Synchronized (this){}, synchronized(this){}, synchronized(this){}

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The code of life

JQuery Learning Journey (5)

January 2, 2024

by 蘇佳玲

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There are two ways to get node objects by id: (1) through ** native method ** document.getelementById (" specify id "); Object. Style. Property =...

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The back-end

Kuaishou based on Flink to construct real-time data warehouse scenario-based practice

January 2, 2024

by 周琬婷

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This article is based on the topic "The Practice of Constructing real-time data Warehouse Scenario based on Flink" shared by Kuaishou data technology expert Li...

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The back-end

Iceberg small file merge

January 2, 2024

by 張詩涵

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This is flink's small file merge code. This is the Actions class, which should correspond mainly to the structure in Spark. The constructor is private,...

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Artificial intelligence (ai)

Resist the wool party, to calculate “support” Internet e-commerce risk control

January 2, 2024

by Miraan Lad

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Graph computing can be said to be a powerful weapon for the risk control of Internet e-commerce. It is not only superior to relational database...

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The back-end

Flink SQL performance optimization: Multiple Input details

January 2, 2024

by Kathryn Webster

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Optimization of execution efficiency has always been the goal pursued by Flink. In most jobs, especially batch jobs, data is transferred between tasks over the...

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The code of life

JQuery Learning Journey (3)

January 2, 2024

by Robert Olson

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The essence of JQuery library is still javascript, but it is only the encapsulation of javascript, convenient dom processing, we can use JQuery code and...

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The code of life

They are installed

January 2, 2024

by Katie Lambert

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Refer to official documentation: http://zookeeper.apache.org/doc/r3.4.6/zookeeperStarted.1, download the zookeeper - 3.4.6 2, into the installation directory {ZOOKEEPER_HOME/conf/zoo. CFG} dataDir: indicates...

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The front end

How does a MaxCompute non-transactional table update data

January 2, 2024

by Edward Wilson

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Background For most storage formats in big data, supporting random updates is very complex. It requires scanning large files, and MaxCompute has introduced the latest...

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reading

One month, become the top report killer!

January 2, 2024

by Janice Buckley

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I am often asked how to write a report. Can you give me some report templates? What should I do if I don't have an...

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The code of life

JQuery Learning Journey (6)

January 2, 2024

by Charles Brown

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$('. Browser compatible: (1) javascript native getElementsByClassName(" class name "); $('. Var divs = document.for (var I = 0; i < divs.di...

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Artificial intelligence (ai)

A0- Local cluster environment description

January 2, 2024

by Prerak Agrawal

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Number of clusters: 3 MyNode01 system: Centos7.6 memory: 8GB hard disk: 1 TB MyNode02 system: Centos7.6 memory: 12GB hard disk: 500GB MyNode03

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The code of life

JQuery Learning Journey (4)

January 2, 2024

by Shane Stewart

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$div = $div(' id '); $div [index]; $div [index]; $div [index]; $div [0]. Get (inde...

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The development tools

How to do parameter binding in Eolinker

January 2, 2024

by Edward Oliver

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The question pulled out in this session is how to use Eolinker for parameter binding. Description: Parameter binding refers to the parameter transfer between APIS,...

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The back-end

Hadoop framework HDFS client operation (development focus)

January 2, 2024

by Alisha Chanda

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This is the 15th day of my participation in the Hadoop Framework HDFS. This is the 15th day of my participation in the Hadoop Framework...

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The code of life

JQuery Learning Journey (7)

January 2, 2024

by Michelle Love

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var divs = document.for ( var i = 0; i < divs.divs[i].style.$("div").

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The code of life

HDFS capacity

January 2, 2024

by Frances Jones

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The space of two disks cannot be used together. If the space of one disk is used up, the partition capacity of the original disk...

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The code of life

Flume learning 02– Log debugging

January 2, 2024

by Hayley Owen

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In many production environments, recording the raw data flow through the ingestion pipeline is an undesirable behavior because it may result in the disclosure of...

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The back-end

Common HDFS Commands

January 2, 2024

by Mr. Maurice Page

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Common HDFS shell commands 1. Display the current directory structure 2. Create a directory 3. Delete files 4. Load files from the local PC to...

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The back-end

Big Data Learning (6):HDFS data flow

January 2, 2024

by Fiona Lewis

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1) The client uploads a file to NameNode through the Distributed FileSystem. NameNode checks whether the target file exists and whether the parent directory exists....

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The back-end

In 2021, the sunset for developers

January 1, 2024

by Mr. Vincent Foster

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At the end of the first book of the three-Body Problem, Ye Wenjie saw the last sunset through the sky of the Red Bank base....

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The back-end

CDH6.3 integration DolphinScheduler

January 1, 2024

by Debra Hill

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Apache DolphinScheduler is a task scheduling framework dominated by Chinese. It supports Spark, Flink, Shell, and DataX. Apache DolphinSched

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The code of life

The Growth of AIDL (1)

January 1, 2024

by Seher Bhandari

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AIDL:Android Interface Definiation Languageandroid processes cannot communicate directly with each other, \\

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The code of life

The order in which subclasses override methods inherited from their parent class

January 1, 2024

by Emma Booth

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When constructing an object, the system constructs the superclass object first, then the subclass object. ③ The construction method of this class. Super() means to...

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