Programmer Think

catalogue 0. Links to related articles 1. Installation package preparation and upload 2. FE deployment 3. BE deployment 3.1. Example 1: 3.2. Example 2: 3.3. Other matters 3.4. Start BE 3.5. View BE status 3.6. Configuration command 4. Launch and view Doris 5. Use Doris 5.1. Log in and load BE 5.2. Create database, table an ...

zeppelin installation configuration Installation premise: before installing zeppelin, make sure your hadoop and hive are on. Oh, this is very important!!! First step Put the downloaded compressed package under / opt/download/hadoop directory (I put it here, and you can choose by yourself) cd /opt/download/hadoop ls Then just drag it Step ...

Sogou lab: the search engine query log database is designed as a collection of Web query log data including some web query requirements of Sogou search engine and user clicks for about one month (June 2008). Provide benchmark research corpus for researchers who analyze the behavior of Chinese search engine users catalogue Original da ...

abstract This example extracts part of the data in the plant seedling data set as the data set. The data set has 12 categories. Today, I work with you to implement tensorflow2 For the X version image classification task, the classification model uses MobileNetV1. The algorithm implemented in this paper has the following characteristics: 1. Th ...

📋 preface 📋 💝 Blog home page: Red eye Aromatherapy_ CSDN blog - big data, computer theory, MySQL Blogger💝 ✍ This article was originally written by Yu Xia [Hongmu aromatherapy] and was first launched in CSDN ✍ 🤗 Biggest wish in 2022: [serve millions of technical people] 🤗 💝 Initial environment address:[ spark environment construct ...

1, ES Foundation Official documents: Elasticsearch: authoritative guide | Elastic 1. Noun comparison mysql ElasticSearchMySQLIndexIndexesDatabasedatabaseTypetypeTablesurfaceDocumentfileRowthat 's okFieldfieldColumncolumnMappingProcessing rulesSchemarelationship Indexes: indexes are the plural of indexes, which represent many indexes and a ...

Efficiency problems in some scenarios of C + + standard library In the following scenario, the C + + standard library is unordered_map,map,multiset,unordered_multiset is not efficient. Group repetition count There are 100 million records with two columns: group_id, attribute, and the record has been recorded according to group_id is in order ...

In daily performance testing, traffic playback is a very excellent way. It can not only quickly build test cases and be infinitely close to the preset scenarios, but also greatly reduce the test threshold and save time and cost with the help of many excellent playback frameworks such as goreplay. This method is very suitable for rapid performan ...

preface    in recent days, I have taken time to add several new functions to the code generator (it is expected to be released tonight). At present, it supports postgresql database, HikariCP connection pool and swagger2 (there is a link to the generator at the end of the article. Friends who like it can download it for free forever. ...

Ubuntu18.04 install and build hadoop-3.3.0 cluster Reference blog: https://blog.csdn.net/sunxiaoju/article/details/85222290?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522162443354216780261915061%2522%252C%2522scm%2522%253A%252220140713.130102334 …%2522%257D&request_ id=162443354216780261915061&biz_ id=0&utm_ med ...