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...
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...
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...
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...
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 systems and recommendation modules. I am also providing real practice examples with using Java, Python and PHP programming languages. You may view the whole course at...
Udemy Coupon: SALESDECEMBER1 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 are looking for materilas that will help you to arrange your devops theory knowledge via the prism of practice. If yes – ...
Hi, Recently I’ve met a problem with REDIS memory usage at AWS ElastiCache service. It appeared that after some release, that happened 2 weeks ago, memory usage started to grow gradually like a snail. As result our memory monitoring caught the problem rather late. Here is the screen for AWS CloudWatch how it looked. While analyzing release by itself, I found a lot of changes related with...
Hi, That is the beginning of article’s series devoted to the deep insides of Elasticsearch cluster. I will try to describe the most interesting and useful aspects of how Elasticsearch works, what is shards, what makes impact at performance, how to choose hardware and what parameters should be under constant monitoring. I will try to explain all as simple as possible sharing my 8...
Hi, that is a higher level post that will include different articles around DevOps basics related to my udemy course “AWS devops: ElasticSearch at AWS with terraform and ansible“, but not only that 🙂 Here I will try to discuss next aspects: DevOps basics – e.g: who is devops, how to start devops learning career path, what are devops main duties and so on Terraform basics Ansible...
Hi, Current article is the introduction to the practice series of articles devoted to theme “How to work with ElasticSearch using Java and Spring Boot Framework”. You may treat it as Spring Boot ElasticSearch tutorial though you will get also additional deep knowledge at how to build search microservice from scratch, how to use programming patterns at real examples. So, lets start...
