London Ceph Day: Erasure Coding: Purpose and Progress
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Erasure Code in Ceph
description
Loic Dachary, Senior Developer, CloudWatt
Transcript of London Ceph Day: Erasure Coding: Purpose and Progress
Erasure Code in Ceph
Save Space
XOR
3 peta => 1.3 peta
Harder object mutations / recovery
Simple operations and tiering
Replicated Erasure Coded
Promoted to replica on read
Replicated Erasure Coded
Sam & David : refactor
Andreas & Loic : erasure code
Target : February 2014
Why save space before shortage ?
Alpha testers
Sponsors and developers
