CloudWatch

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 chal­lenge that many of you have run into. In the post, I out­lined an approach of …

Cen­tralised log­ging for AWS Lamb­da, REVISED (2018)Read More »

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 our log aggre­ga­tion ser­vice. Whilst this is use­ful in its own right, it only scratch­es the sur­face of what …

auto-cre­ate Cloud­Watch Alarms for APIs with Lamb­daRead More »

You need to sample debug logs in production

It’s com­mon prac­tice to set log lev­el to WARNING for pro­duc­tion due to traf­fic vol­ume. This is because we have to con­sid­er var­i­ous cost fac­tors: cost of log­ging : Cloud­Watch Logs charges $0.50 per GB ingest­ed. In my expe­ri­ence, this is often much high­er than the Lamb­da invo­ca­tion costs cost of stor­age : Cloud­Watch Logs charges $0.03 …

You need to sam­ple debug logs in pro­duc­tionRead More »

Serverless observability, what can you use out of the box?

part 1 : new chal­lenges to observ­abil­i­ty part 2 : 1st par­ty observ­abil­i­ty tools from AWS <- you are here part 3 : 3rd par­ty observ­abil­i­ty tools part 4: the future of Server­less observ­abil­i­ty In part 1 we talked about the chal­lenges server­less brings to the table. In this post, let’s look at 1st par­ty tools from AWS …

Server­less observ­abil­i­ty, what can you use out of the box?Read More »

Tips and tricks for logging and monitoring AWS Lambda functions

The com­mon prac­tice of using agents/daemons to buffer and batch send logs and met­rics are no longer applic­a­ble in the world of server­less. Here are some tips to help you get the most out of your log­ging and mon­i­tor­ing infra­struc­ture for your func­tions. This is part 2 of a 3-part mini series on man­ag­ing your …

Tips and tricks for log­ging and mon­i­tor­ing AWS Lamb­da func­tionsRead More »

Centralised logging for AWS Lambda

[update 23/07/2018]: The approach out­lined in this post works well when you start out, but you can run into con­cur­ren­cy relat­ed issues at scale. To see a bet­ter approach when run­ning at scale, please see the revised ver­sion of this post here.   Cloud­Watch Logs is hard­ly the ide­al fit for all your log­ging needs, …

Cen­tralised log­ging for AWS Lamb­daRead More »

Recording and Slides for F# DSLs talk at F# |> Bristol

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…) and here’s the slides to go with the talk: Tame cloud com­plex­i­ty with F#-powered DSLs from Yan Cui

Slides for F# DSL talk at LambdaDays

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 projects I dis­cussed below: DynamoDB.SQL : source code & nuget pack­age SimpleWorkflow.Extensions : source code & nuget pack­age CloudWatch.Selector : …

Slides for F# DSL talk at Lamb­da­DaysRead More »

Metricano – simplifying application monitoring

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 ser­vice entry point, IO oper­a­tions or CPU inten­sive tasks. Sure, it comes at the cost of a few CPU cycles which might mean that …

Met­ri­cano – sim­pli­fy­ing appli­ca­tion mon­i­tor­ingRead More »

By continuing to use the site, you agree to the use of cookies. more information

The cookie settings on this website are set to "allow cookies" to give you the best browsing experience possible. If you continue to use this website without changing your cookie settings or you click "Accept" below then you are consenting to this.

Close