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Cost and performance optimizations at AWS Cloud

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Hi, DevOps fans That is a general wrapper topic, rather then article by itself, where I am going to aggregate different posts related with cost and performance optimizations at AWS cloud. As you know, AWS Cloud is a huge “combine” with hundreds of services, ant it’s costs appears to be high in many cases. Though there are some standard and much more less obvious things, that can...

How to secure web application with AWS WAF and CloudWatch

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Udemy Coupon: CYBERSECURITYJUNE – active 02.06.2024-02.07.2024; in case coupons are already expired, please check that page regularly – new one will appear soon ENROLL AT Cyber Security course Hi, my name is Sergii and I am glad to represent my course “DevSecOps: How to secure web application with AWS WAF and CloudWatch”. The course stars from creating a small API application, built...

NUXT debugging and perormance optimizations

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Hi, everybody At current article I decided to share with you my commercial experience around Nuxt framework. Within last 2 years, using Nuxt appeared to be not so pleasant adventure. And it is not related with coding, or code architecture – but mostly at how Nuxt applications were working at real production. The main reason here, that most JS modern tools, like React, Angular, Vue, or even...

OpenSearch ML reranking with AWS Personalize Service

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Hi, Recently I had an opportunity to make a practical research around AWS Personalize Service. My main goal was to test Personalized-Ranking recipe and to verify how it works in pair with rather fresh AWS feature – OpenSearch Personalize ranking plugin. I had to verify if is possible to bring our existing search system at new level with ML personalizing features. The main thing that I was...

Symfony vs Flask vs Spring Boot – part 1 usability and speed of coding

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Hi,  While making an online course “Elasticsearch as you have never known it before” I’ve created 3 separate sections with practice examples on how to build an advanced search system based on the Elasticsearch engine. According to course video sections next tutorials also appeared accordingly at current blog: Java Elasticsearch Elasticsearch Python Flask Symfony Elasticsearch I suppose it...

How to work with Elasticsearch 8 using Spring Boot 3.x and Spring Data Elasticsearch 5.x

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Hi, Elasticsearch fans At current article I would like to show you how to work with Elasticsearch 8 version using Spring Boot 3.x version and Spring Data Elasticsearch 5.x package. It appeared that at Spring Data Elasticsearch 5.x version has a lot of different changes. First of all Elasticsearch 8 has security options enabled out of the box. As result the way we have to connect to search engine...

ElasticSearch as you have never known it before – EXCLUSIVE CONTENT

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Udemy Coupons: ELASTICSEARCHJUNE – active 02.06.2024-02.07.2024; in case coupons are already expired, please check that page regularly – new one will appear soon; Here I want to present an introduction to my on-line course: “Elasticsearch as you have never known it before”. At that course I am sharing my production experience with using ElasticSearch for building advanced search...

AWS devops: ElasticSearch at AWS with terraform and ansible

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Udemy Coupon: SALESDEVOPSJUNE – active 02.06.2024-02.07.2024 in case coupons are already expired, please check that page regularly – new one will appear soon; ENROLL AT AWS devops course Are you interested in docker orchestration? Would you like to uncover deep insights and pitfalls of AWS? Do you want to see the real power of Terraform and Ansible at real commercial examples? Or maybe you...

AWS OpenSearch Benchmarks – Part 1

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Hi, DevOps fans Recently, 04.12.2023-05.12.2023. I have a pleasant occasion to perform AWS OpenSearch service performance benchmarks. The reason for that has a rather long story, but I will try to shorten it as much as possible. There is one application that uses Elasticsearch for performing different search operations. I will call it “Search App” below in text. Current application was migrated...

Maintenance vs perfect code or When to avoid design patterns?

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Hi, The more I am working at Software production area (and it is almost 20 years), the more I am coming to the conclusion, that support and maintenance in many cases are more essential then “beautiful” code with using design patterns. Don’t think that I have something against best practices – quite reverse. I am fond of design programming patterns and I am using it...

architecture AWS cluster cyber-security devops devops-basics docker elasticsearch flask geo high availability java machine learning opensearch php programming languages python recommendation systems search systems spring boot symfony