Deleting data "without undue delay" in Cassandra can be implemented by
using crypto shredding and pseudonymization strategies in your data
model. All you have to do is to make sure that throwing away a person's
data encryption key will make it impossible to restore personal data and
impossible to resolve any pseudonyms associated with that person.

On 09.02.18 17:10, Nicolas Guyomar wrote:
> Hi everyone,
> Because of GDPR we really face the need to support “Right to Be
> Forgotten” requests =>  stating that
> /"the controller shall have the obligation to erase personal data
> *without undue delay*"/
> Because I usually meet customers that do not have that much clients,
> modeling one partition per client is almost always possible, easing
> deletion by partition key.
> Then, appart from triggering a manual compaction on impacted tables
> using STCS, I do not see how I can be GDPR compliant.
> I'm kind of surprised not to find any thread on that matter on the ML,
> do you guys have any modeling strategy that would make it easier to
> get rid of data ? 
> Thank you for any given advice
> Nicolas

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