Re: RGW: Implement S3 storage class feature

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On 06/21/2017 10:04 AM, Matt Benjamin wrote:
Hi,

Looks very coherent.

My main question is about...

----- Original Message -----
From: "Jiaying Ren" <mikulely@xxxxxxxxx>
To: "Yehuda Sadeh-Weinraub" <ysadehwe@xxxxxxxxxx>
Cc: "ceph-devel" <ceph-devel@xxxxxxxxxxxxxxx>
Sent: Wednesday, June 21, 2017 7:39:24 AM
Subject: RGW: Implement S3 storage class feature



* Todo List

+ the head of rgw-object should only contains the metadata of
  rgw-object,the first chunk of rgw-object data should be stored in
  the same pool as the tail of rgw-object

Is this always desirable?


Well, unless the head pool happens to have the correct storage class, it's necessary. And I'd guess that verification of this is complicated, although maybe not.

Maybe we can use the head pool if it has >= the correct storage class?

Daniel

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