[ceph-users] Re: RGW bucket sync

2020-09-09 Thread Eugen Block
Thank you, that's very helpful, I appreciate it! Zitat von Daniel Gryniewicz : Basically same thing that happens when you overwrite any object. New data is sent from the client, and a new Head is created pointing at it. The old head is removed, and the data marked for garbage collection

[ceph-users] Re: RGW bucket sync

2020-09-09 Thread Daniel Gryniewicz
Basically same thing that happens when you overwrite any object. New data is sent from the client, and a new Head is created pointing at it. The old head is removed, and the data marked for garbage collection if it's unused (which it won't be, in this case, since another Head points at it).

[ceph-users] Re: RGW bucket sync

2020-09-09 Thread Eugen Block
I think rgw will make a header that points to the original data only, so you are right in that there is no huge data copy operation. Alright, that would explain it. But what happens when I overwrite the object in bucket1 with different content? Because I'm still able to get the original cont

[ceph-users] Re: RGW bucket sync

2020-09-09 Thread Janne Johansson
Den ons 9 sep. 2020 kl 10:06 skrev Eugen Block : > Hi *, > > I'm wondering about what actually happens in the ceph cluster if I > copy/sync the content of one bucket into a different bucket. > > How does this work? It seems as if there's (almost) no client traffic > (except for the cp command, of