SRE

Opinions are my own… These depend on the SLAs you are supporting with your SLIs. But here are a couple of core ones: Controller count - must equal 1 else something is wrong Under replicated partitions - under replicated partitions greater than one is normally an early warning that something is about to go pear shaped. Depending on your setting for publish acks, this might mean that some publishers might also stop, if min ISR is less than required. Leader elections - These might happen due to...

If you have ever passed the contents of a file to a parameter of the AWS CLI, you most likely did so using the file:// notation. By setting a parameter’s value as the file’s path prepended by file://, you can explicitly pass in the contents of a local file as input to a command: aws […]

Open specification for defining and expressing service level objectives (SLO) - OpenSLO/OpenSLO: Open specification for defining and expressing service level objectives (SLO)

ManageEngine OpManager provides easy-to-use Network Monitoring Software that offers advanced Network & Server Performance Management. Download free trial now!

95% of your requests / the other 5% are the times it exceed this value

The Service Level Indicator is the ongoing measurement of your system that tells you whether you’re meeting your objective

Message Queueing vs. Event Stream Processing in Azure.

We can quickly solve TLS or SSL certificate issues by checking the certificate’s expiration from the openssl command line. Today, let us see how to check certificate’s expiration date in 2 ways. The first one is to check the certificate on remote server side. The second is to check the certificate by PEM files. Check […]

Observability is the ability to measure the internal states of a system by examining its outputs. A...

CLI tool for the OpenSLO spec. Contribute to OpenSLO/oslo development by creating an account on GitHub.

Backstage plugins for OpenSLO. Contribute to OpenSLO/openslo-backstage-plugins development by creating an account on GitHub.

tool to create and manage content for reliability tracking from logs/event data. - OpenSLO/slogen: tool to create and manage content for reliability tracking from logs/event data.

TLS/SSL security testing with Open Source Software

A curated list of Site Reliability and Production Engineering resources. - dastergon/awesome-sre: A curated list of Site Reliability and Production Engineering resources.

Parse and Query log files as time series. Contribute to iximiuz/pq development by creating an account on GitHub.

This guide will show you how to read the SSL Certificate Information from a text-file on your server or from a remote server by connecting to it with the OpenSSL client.

Introduction As part of Uber engineering’s wide efforts to reach profitability, recently our team was focused on reducing cost of compute capacity by improving efficiency. Some of the most impactful work was around GOGC optimization. In this blog we want to share our experience with a highly effective, low-risk, large-scale, semi-automated Go GC tuning mechanism. Uber’s tech stack is composed of thousands of microservices, backed by a cloud-native, scheduler-based infrastructure. Most of these services are written in Go. Our team, Maps Production Engineering, has previously played an instrumental role in significantly improving the efficiency of multiple Java services by tuning

By: Ania Kapuścińska ( @lambdanis ) Edited by: Shaun Mouton ( @sdmouton ) Like many engineers, for a long time I’ve thought ...

I've had a repeated conversation recently about SLO Adoption. The question I get is "Which services should I start with?"And there is a counterintuitive idea I want to share. 🧵— Kit “SLOconf is May 9-12 2022" Merker (@KitMerker) March 17, 2022

Finally.Trace of a request into my #serverless event driven system, API Gateway - Dynamo - Dynamo Streams - Lambda - SQS x 2 - Event Bridge. One consistent trace through the entire flow.Written in .NET, traced with @opentelemetry, observed in @honeycombio #dotnet #o11y pic.twitter.com/YfvpAYPiTD— James Eastham (@plantpowerjames) October 8, 2022

The company's SRE journey started three years ago, and it now has reliability teams focused on infrastructure, products and developer productivity. #SRE #reliability

I’ve been thinking about WebAssembly a lot lately.

TSTP (get ready to be shutdown). TERM (heroku default is 25 seconds, elsewhere defined by config / timeout switch).