Programming VIP

01 introduction In the previous blog, we have a certain understanding of the use of Source in Flink's program model. Interested students can refer to the following: Flink tutorial (01) - Flink knowledge mapFlink tutorial (02) - getting started with FlinkFlink tutorial (03) - Flink environment constructionFlink tutorial (04) - getting star ...

Yarn installation and use tutorial 1, Official website guidelines Quick start | Yan Chinese documents npm Chinese document | npm Chinese website (npmshell.cn) 2, Installation Stable version: v1.22.17 Supported Node versions: ^ 4.8.0 | ^ 5.7.0 | ^ 6.2.2 | > = 8.0.0 windows installation: Introduction to official website installation np ...

Problem background: 1 It takes 2min to load the page for the first time. If it cannot be opened for half a day, a white screen will appear. After optimization, it will become 30s                    2. The file after build is too large, such as a main JS file is 7.9M before optimization and 1.5 ...

preface First of all, the combination of yarn + lerna is now the general scheme of monorepo, and it is also the most functional and popular scheme. It is absolutely correct to use this scheme. However, there is a certain threshold for it to get started. Compared with pnpm, which has its own workspace, it is not comparable in efficiency. prob ...

1. Background When submitting the flick task to yarn, we usually use the shade plug-in to package all the required jar packages into a large jar package, and then submit them to yarn through the flick run command. However, if there are frequent code changes, or many colleagues in the team need to develop multiple business modules in the same p ...

hadoop_ Hdfs07 hdfsha cluster configuration & ZK cluster configuration & yarnha configuration Note: notes (1) Cluster planning Hadoop102Hadoop03Hadoop04ZKZKZKJournaleNodeJournaleNodeJournaleNodeNameNodeNameNodeDataNodeDataNodeDataNodeResourceManagerResourceManagerNodeManagerNodeManagerNodeManager (2) Configuring Zookeeper clusters ...

Introduction and examples Regular expression describes a pattern of string matching, which can be used to extract sub strings of a specific format contained in a large string. Regular expressions are text patterns composed of ordinary characters and special characters. 1. Extract digital part # Extract the numeric part from the string " ...

yarn Official Guide English official website: Yarn English website Chinese Documents: Yarn Chinese Documents Advantages of Yarn Fast: Yarn caches each downloaded package, so you don't need to download it again. It also uses parallel downloads to maximize resource utilization, so installation is faster. Reliable: Using a detailed, concise ...