89715

Is it a Billable Op Changing Storage Class of Existing Objects?

I was trying to change storage class of a set of existing objects (over 300 GBs) as advised in this post:

I tried it on one file first:

fyn@pod-arch:~$ gsutil ls -L gs://some-bucket/sub-dir/audioArch.mp3 gs://some-bucket/sub-dir/audioArch.mp3: Creation time: Fri, 29 Jul 2016 00:52:51 GMT Update time: Fri, 05 Aug 2016 15:40:51 GMT Storage class: DURABLE_REDUCED_AVAILABILITY Content-Language: en Content-Length: 43033404 Content-Type: audio/mpeg ... ... fyn@pod-arch:~$ gsutil -m rewrite -s coldline gs://some-bucket/sub-dir/audioArch.mp3 - [1/1 files][ 41.0 MiB/ 41.0 MiB] 100% Done Operation completed over 1 objects/41.0 MiB. fyn@pod-arch:~$ gsutil ls -L gs://some-bucket/sub-dir/audioArch.mp3 gs://some-bucket/sub-dir/audioArch.mp3: Creation time: Sun, 30 Oct 2016 23:49:34 GMT Update time: Sun, 30 Oct 2016 23:49:34 GMT Storage class: COLDLINE Content-Language: en Content-Length: 43033404 Content-Type: audio/mpeg ... ...

Then I tried it on 15 more, and then on the rest of the objects in a subdir... <strong>Works like a charm</strong> ☺, although <strong>the operation overwrites the Creation & Update times!</strong>

I had two follow-up queries though:

<ol> <li>Is gsutil rewrite operation billable?</li> <li>Can Creation time be preserved?</li> </ol>

Many thanks.

Cheers!

fynali

Answer1:

Yes, <strong>it is billable as a Class A operation</strong> (it uses storage.objects.rewrite, see cloud.google.com/storage/pricing). No, there's <strong>no way to preserve the creation/update time</strong> because rewrite creates a new object generation.

–Travis Hobrla in comment here

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