S3

aws x-ray and lambda : the good, the bad and the ugly

AWS announced gen­er­al avail­abil­i­ty of AWS Lamb­da sup­port for AWS X-Ray back in May. It’s tak­en me a while to try it out, and whilst I see plen­ty of val­ues I think its cur­rent lim­i­ta­tions sig­nif­i­cant­ly restricts its use­ful­ness in a com­plex sys­tem. I found Lam­b­­da-spe­­cif­ic doc­u­men­ta­tions to be frag­ment­ed and I had to rely …

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Yubl’s road to Serverless architecture – building a scalable push notification system

part 1: overview part 2: test­ing and CI/CD part 3: ops part 4: build­ing a scal­able noti­fi­ca­tion sys­tem <- you’re here part 5: build­ing a bet­ter rec­om­men­da­tion sys­tem Just before Yubl’s untime­ly demise we did an inter­est­ing piece of work to redesign the sys­tem for send­ing tar­get­ed push noti­fi­ca­tions to our users to improve reten­tion. The …

Yubl’s road to Server­less archi­tec­ture – build­ing a scal­able push noti­fi­ca­tion sys­temRead More »

Yubl’s road to Serverless architecture — overview

part 1: overview <- you’re here part 2: test­ing and CI/CD part 3: ops part 4: build­ing a scal­able noti­fi­ca­tion sys­tem part 5: build­ing a bet­ter rec­om­men­da­tion sys­tem Since Yubl’s clo­sure quite a few peo­ple have asked about the server­less archi­tec­ture we end­ed up with and some of the things we have learnt along the …

Yubl’s road to Server­less archi­tec­ture — overviewRead More »

Working with S3 folders using the .Net AWS SDK

If you’ve been using S3 client in the AWS SDK for .Net you might have noticed that there are no meth­ods that let you inter­act with the fold­ers in a buck­et. As it turns out, S3 does not sup­port fold­ers in the con­ven­tion­al sense*, every­thing is still a key val­ue pair, but tools such as …

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