On Mon, Feb 13, 2023 at 4:31 AM Boris Behrens <b...@kervyn.de> wrote:
>
> Hi Casey,
>
>> changes to the user's default placement target/storage class don't
>> apply to existing buckets, only newly-created ones. a bucket's default
>> placement target/storage class can't be changed after creation
>
>
> so I can easily update the placement rules for this user and can migrate 
> existing buckets one at a time. Very cool. Thanks
>
>>
>> you might add the EC pool as a new storage class in the existing
>> placement target, and use lifecycle transitions to move the objects.
>> but the bucket's default storage class would still be replicated, so
>> new uploads would go there unless the client adds a
>> x-amz-storage-class header to override it. if you want to change those
>> defaults, you'd need to create a new bucket and copy the objects over
>
>
> Can you link me to documentation. It might be the monday, but I do not 
> understand that totally.

https://docs.ceph.com/en/octopus/radosgw/placement/#adding-a-storage-class
should cover the addition of a new storage class for your EC pool

>
> Do you know how much more CPU/RAM EC takes, and when (putting, reading, 
> deleting objects, recovering OSD failure)?

i don't have any data on that myself. maybe others on the list can share theirs?

>
>
> --
> Die Selbsthilfegruppe "UTF-8-Probleme" trifft sich diesmal abweichend im 
> groüen Saal.
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