PinnedOleksii Bebych·May 6, 2024Building a Landing zone with AWS Control Tower (part 1)Since 2021, I have built ~20 AWS Landing Zones for different customers, big and small, enterprises and startups, and in this series of…A response icon1A response icon1
PinnedOleksii Bebych·May 9, 2024Building a Landing zone with AWS Control Tower (part 2)In the previous post, I explained what a Landing Zone is, what the preconditions for a Landing Zone to appear, and why and when you should…A response icon1A response icon1
Oleksii Bebych·Mar 25Spend Less, Build More: AWS Cost Optimization Strategies That WorkPeople say the cloud is expensive, but I say we need to know what we're paying for, how to save money in the cloud, and how to run systems…
Oleksii Bebych·Mar 3Managing AWS Sandbox environments in a secure and cost-effective wayIn the previous article about the AWS Landing Zone, I mentioned a possible account structure and specifically non-foundational accounts:
Oleksii Bebych·Feb 13Centalized logging for AWS multi-account environment with Amazon OpenSearchI continue the series of articles about AWS multi-account environment and Landing Zone. In the previous article, I briefly mentioned the…A response icon1A response icon1
Oleksii Bebych·Oct 13, 2025AWS WAF and AWS Shield vs. DDoS attacksYou can use AWS WAF and AWS Shield together to create a comprehensive security solution.
Oleksii Bebych·Oct 2, 2025Troubleshoot Amazon Aurora PostgreSQL Performance Issues by Scenario (Part 3)Stale Statistics in High-Churn Data; Vacuum is unable to clean up dead tuples; Impacts of no partition pruning.A response icon1A response icon1
Oleksii Bebych·Oct 2, 2025Troubleshoot Amazon Aurora PostgreSQL Performance Issues by Scenario (Part 2)Subtransactions; Runaway query; Replication lag.
Oleksii Bebych·Oct 1, 2025Troubleshoot Amazon Aurora PostgreSQL Performance Issues by Scenario (Part 1)Idle connections; MultiXacts; Query memory consumption.A response icon2A response icon2
Oleksii Bebych·Aug 29, 2025Landing Zone Accelerator on AWS (LZA) vs. Customizations for AWS Control Tower (CfCT)In the previous four posts, I explained AWS Landing Zone in general, the structure of AWS organization, and basic security configurations:
