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Blog

Stories, guides, and lessons from the world of observability

Components in Designing Effective SLOs

Components in Designing Effective SLOs

A primer on how to design and implement effective Serice Level Objectives(SLOs)

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Last9

Last9

Strace – A Hidden Superpower

Strace – A Hidden Superpower

Like any OS, Linux isn’t immune to hiccups, especially when running closed-source apps where you can’t inspect the code for deeper insights.

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Last9

Last9

Prathamesh Sonpatki

Prathamesh Sonpatki

Saturation SLO: What It Is and Why You Should Consider It

Saturation SLO: What It Is and Why You Should Consider It

What is Saturation and why should you think about it as an SLO? Saturation can be understood as the load on your network and server resources.

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Last9

Last9

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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Last9

Last9

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