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Ceph supports a wide range of Erasure Coding plugins and techniques. This talk will give a brief overview of the different erasure coding plugins supported by Ceph along with some interesting detail about how the various techniques for each plugin works. After giving an overview of the different plugins and techniques, we will discuss our motivations for changing the default plugin from Jerasure to ISA-L, including highlighting some of the more recent optimisations supported by ISA-L. We will also show some preliminary performance results supporting this decision.
I have been working Ceph performance and erasure coding since the beginning of 2024, after almost 10 years of developing encryption and security solutions for the IBM FlashSystems line.
Wednesday December 4, 2024 14:27 - 14:37 CET
Globe 1
