Re: XTS cipher mode for cluster file encryption

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От Bruce Momjian
Тема Re: XTS cipher mode for cluster file encryption
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Msg-id Yfl7d5/rti6NlUnK@momjian.us
обсуждение исходный текст
Ответ на Re: XTS cipher mode for cluster file encryption  (Stephen Frost <sfrost@snowman.net>)
Ответы Re: XTS cipher mode for cluster file encryption  (Andres Freund <andres@anarazel.de>)
Список pgsql-hackers
On Tue, Feb  1, 2022 at 01:07:36PM -0500, Stephen Frost wrote:
>     Well, I sent an email a week ago asking if people want to advance this
>     feature forward, and so far you are the only person to reply, which I
>     think means there isn't enough interest in this feature to advance it.
> 
> This confuses me. Clearly there’s plenty of interest, but asking on hackers in
> a deep old sub thread isn’t a terribly good way to judge that.  Yet even when
> there is an active positive response, you argue that there isn’t enough.

Uh, I have been lead down the path of disinterest/confusion on this
feature enough that I am looking for positive feedback on every new step
so I don't get stuck out in front with insufficient support.  Yes, only
one person replying is enough for me to say there isn't interest.  I
guess I now have two.  My email was short and ended with a question so I
thought the people interested in the steps I suggested would give some
kind of feedback --- I certainly try to reply to all emails on this
topic.

> In general, I agree that the items you laid out are what the next steps are. 
> There are patches for some of those items already too and some of them, such as
> consolidating the temporary file access, are beneficial even without the
> potential to use them for encryption.  

Great.  I can update my patch for July consideration.

> Instead of again asking if people want this feature (many, many, many do), I’d
> encourage Antonin to start a new thread with the patch to do the temporary file
> access consolidation which then provides a buffered access and reduces the
> number of syscalls and work towards getting that committed, ideally as part of
> this release.

Yes, agreed.

-- 
  Bruce Momjian  <bruce@momjian.us>        https://momjian.us
  EDB                                      https://enterprisedb.com

  If only the physical world exists, free will is an illusion.




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