Introducing, DSLs to query against Amazon CloudWatch metrics
Tweet If you have done any DevOps work on Amazon Web Services (AWS) then you should be familiar with Amazon CloudWatch, a service for tracking and viewing metrics (CPU, network in/out, etc.) about the...
View ArticleMetricano – simplifying application monitoring
Tweet On application monitoring In the Gamesys social team, our view on application monitoring is such that anything that runs in production needs to be monitored extensively all the time – every...
View ArticleSlides for F# DSL talk at LambdaDays
Tweet Hi, thanks to everyone who turned up to my talk at LambdaDays this afternoon, here are the slides. Tame cloud complexity with F#-powered DSLs from Yan Cui You can find the source code for the...
View ArticleRecording and Slides for F# DSLs talk at F# |> Bristol
Tweet Here’s the recorded live stream of the F# DSLs session I did at the F# |> Bristol user group last night. (apologies for the first few mins where I forgot to share my screen to the Hangout…)...
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auto-create CloudWatch Alarms for APIs with Lambda
In a previous post we discussed how to auto-subscribe a CloudWatch Log Group to a Lambda function using CloudWatch Events. So that we don’t need a manual process to ensure all Lambda logs would go to...
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Centralised logging for AWS Lambda, REVISED (2018)
First of all, I would like to thank all of you for following and reading my content. My post on centralised logging for AWS Lambda has been viewed more than 20K times by now, so it is clearly a...
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Using CloudWatch and Lambda to implement ad-hoc scheduling
A while back I wrote about using DynamoDB TTL to implement ad-hoc scheduling. It generated some healthy debate and a few of you have mentioned alternatives including using Step Functions. So let’s take...
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Introducing a better way to record custom metrics
Many clients have asked me “how do I record custom metrics from Lambda?”. Generally speaking, you can either: Publish custom metrics synchronously – e.g. send them at the end of an invocation. Publish...
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How to sample AppSync resolver logs
AppSync has built-in logging integration with CloudWatch Logs (see here for more details on the logging options). You can set the Field resolver log level to NONE, ERROR or ALL. When the field resolver...
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