Re: Erasure coding enhancements - design for review

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Totally: OpenCAS, bcache, etc could also help here.

The important thing for me if we use local device caches is to make
sure our internal OSD data 'tegrity is still sound: deep-scrubbing
should readthrough, for example.

Cheers, Dan

On Tue, Jul 2, 2024 at 12:56 PM Anthony D'Atri <anthony.datri@xxxxxxxxx> wrote:
>
> Thoughts on how finding a way to implement OpenCAS might address this?
>
> On Jul 2, 2024, at 15:44, Dan van der Ster <dan.vanderster@xxxxxxxxx> wrote:
>
> A better approach could be to read around misses, using the new faster
> EC partial read to respond to the client quickly, and then
> asynchronously promote the whole object into the cache pool.
> Partial writes are more tricky, probably best handled all via a WAL.
>
>
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