Moving in time with Custom-Time

While reading about how object creation time is handled by Google Cloud's object lifecycle management, I learned about Custom-Time. The Custom-Time metadata can be set by the user, in RFC 3339 form. In the docs on Custom-Time, we learn that the value can not be removed. Once you set a Custom-Time, you have a Custom-Time.

It is also not possible to decrease the Custom-Time value. This means that the time can not be changed to be earlier than the current Custom-Time. This suggests that Custom-Time can be modified to a value later in time.

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See It’s business time: One good use of the GCS Custom-Time field by a Googler who works in Google Cloud and shares only his own opinions. The same person also wrote Building and using an inventory of your Google Cloud Storage objects: clone this project to get started.