# Block storage subsystem performance analysis

- Institution: CERN
- Department: IT Lightning Talks (ITLT)
- Speaker: Julien Leduc
- Year: 2016
- Language: English
- Subjects: Mathematics
- Source: [CERN](https://videos.cern.ch/record/3012927)
- Licence: [CERN](http://copyright.web.cern.ch)
- Who can watch: Tweens profiles and older (sources give no ratings; placed by Invisible Network from the source's own words)

You feel that your service is slow because of the storage subsystem? But there are too many abstraction layers between your software and the raw block device for you to debug all this pile... Let's dive on the platters and check out how the block storage sees your I/Os! We can even figure out what those patterns are meaning..

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## Lectures

1. [Block storage subsystem performance analysis](https://invisiblenetwork.ai/learn/cern/3012927/09be02a7ad9c), 8 min (CERN's player)