Tag Archives: aws
AWSome Day Bucharest 2016

Note: you can find my comments here for the similar event held in 2015.

Another year, another AWS event; for this year they have changed the venue and brought in more speakers, unfortunately of inferior quality compared to Sebastien Stormacq, the sole speaker from 2015. This year twice as many people registered, roughly 500 people queuing up for the early morning registration.

Introduction Slide from the event

The main difference from the last year was the presentation content being split into 2 tracks, the “technical” and the “business” rooms, each with their own focus. On the technical side the following topics were covered:

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EBS (Storage) Performance Limitation in AWS

I have mentioned before that regular EBS storage in AWS works with a system of credits that are accrued when the volume is idle and are spent when the operation rate requested on the volume grows over the predefined baseline. One can find the detailed explanation in the AWS documentation. This limitation came as an unexpected surprise during the failed project I was part of 18 months back.

A few days ago while syncing data from a large volume to another, larger volume, I ran into the same problem as well and I decided to capture the state to make things clear for everybody (well, people that are reading this blog).

The CloudWatch read throughput (metric name: VolumeReadOps) graph looked like this during the data sync:

Volume Performance

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Amazon Web Services – Presentation

I have presented today a couple of slides on AWS to my colleauges. Feel free to browse, the content is public.

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