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Blog

Stories, guides, and lessons from the world of observability

Sleep Friendly Alerting

Sleep Friendly Alerting

We've all been woken up with that dreaded Slack notification at ungodly hours only to realise that the alert was all smoke and no fire. The perfect recipe for dread and alert fatigue.

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Akshat Goyal

Akshat Goyal

Services; not Server

Services; not Server

Gone are the days of yore when we named are our servers Etsy, Betsy, and Momo, fed them fish, and cleaned their poop.

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Nishant Modak

Nishant Modak

Piyush Verma

Piyush Verma

Systems Observability

Systems Observability

Observability is not just about being able to ask questions to your systems. It's also about getting those answers in minutes and not hours.

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Nishant Modak

Nishant Modak

Piyush Verma

Piyush Verma

AWS security groups: canned answers and exploratory questions

AWS security groups: canned answers and exploratory questions

While using a Terraform lifecycle rule, what do you do when you get a canned response from a security group?

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Saurabh Hirani

Saurabh Hirani

If it ain't broke...

If it ain't broke...

A Terraform lifecycle rule in the right place can help prevent a deadlock. But the same lifecycle rule in the wrong place?

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Saurabh Hirani

Saurabh Hirani

mv aws-security-group shoot-foot

mv aws-security-group shoot-foot

How you can run into an unplanned downtime while making a seemingly harmless change of renaming an AWS security group through Terraform?

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Saurabh Hirani

Saurabh Hirani

Rescuing a SPAghetti React project

Rescuing a SPAghetti React project

Practical tips for rescuing a SPAghetti React JS project. With confidence and a shared mental model, we made the codebase reliable and easier to manage.

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Prathamesh Sonpatki

Prathamesh Sonpatki

One year at Last9

One year at Last9

Celebrating one year at Last9! From uncertainty to growth, it's been an amazing journey with an inspiring team and exciting challenges.

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Prathamesh Sonpatki

Prathamesh Sonpatki

Much That We Have Gotten Wrong About SRE

Much That We Have Gotten Wrong About SRE

An illustrated summary of Developers ➡ DevOps ➡ SRE

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Piyush Verma

Piyush Verma