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l2dy
@l2dy
50
Sponsor me on GitHub! https://github.com/sponsors/l2dy
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August 27, 2022
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l2dy
Programming & Dev
2022-09-09 12:15
An Obscure Connection Limit on EC2
Background Someone on the Internet claimed to have achieved 1M+ concurrent connections on a single EC2 instance. While I can not verify this claim, it is true that EC2 does not set a hard limit on the
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l2dy
Programming & Dev
2022-09-07 16:19
AWS Networking: Regions, Zones and VPC
This is a series of blog posts describing
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l2dy
Programming & Dev
2022-09-04 06:38
How to Measure Performance Impact of Code Changes in Go
Introduction Go has built-in support for benchmarks. You can use it to compare performance of several implementations of the same task, or simply to measure the time taken to run some code. Let's take
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l2dy
Programming & Dev
2022-09-01 16:45
How AWS IAM Roles Work
Background AWS recommends using IAM roles instead of long-term access keys, and have dutifully applied this principle to their SaaS offering like Amazon OpenSearch Service. However, this has introduced
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l2dy
Programming & Dev
2022-08-29 14:49
A Simple Trick to Reduce AWS Cost in Private Subnets (NAT)
Background To protect servers from malicious actors on the Internet, industrial best practice recommends not allocating public IP addresses to EC2 instances that don't need to be directly exposed on the
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l2dy
Programming & Dev
2022-08-27 09:11
Nginx Redirect Pitfalls
Background Content delivery networks can improve website performance and absorb burst traffic with cache on their edge servers. Some CDN providers even support accelerating dynamic content delivery by
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