CategoryDevOps

DevOps

AWS Fargate DevOps: Autoscaling with Terraform at practice

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Udemy Coupon: OCTOBERSALESFARGATE – active 02.10.2024-02.11.2024; in case coupons are already expired, please check that page regularly – new one will appear soon ENROLL AT AWS Fargate course Web application traffic is mostly not stable. Promotions, advertising campaigns, night/day hours – all that cause fluctuations at loading. Managing these unpredictable fluctuations can be a challenge...

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: CYBEROCTOBERSALES – active 02.10.2024-02.11.2024; 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...

AWS devops: ElasticSearch at AWS with terraform and ansible

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Udemy Coupon: OCTOBERDEVOPSALES – active 02.10.2024-02.11.2024 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...

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...

Elasticsearch indexing secrets or how to speed up indexing

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Hi, Elasticsearch fans. As probably all of you know, indexing of documents at Elasticsearch can appear to be a rather often operation. Changing fields mapping or document relationships, changing the number of shards and many other things force us to make reindexing of whole data. And when we have great amounts of data – then it appears to be a great problem. At that article we will speak...

Redis TIPS and TRICKS – how to Debug memory usage

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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...

Inside Elasticsearch cluster – how it works, performance, monitoring and hardware – Part 1

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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...

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