| From: | Joe Conway <mail(at)joeconway(dot)com> |
|---|---|
| To: | Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com>, Stephen Frost <sfrost(at)snowman(dot)net>, Bruce Momjian <bruce(at)momjian(dot)us> |
| Cc: | Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com>, Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Antonin Houska <ah(at)cybertec(dot)at>, Haribabu Kommi <kommi(dot)haribabu(at)gmail(dot)com>, "Moon, Insung" <Moon_Insung_i3(at)lab(dot)ntt(dot)co(dot)jp>, Ibrar Ahmed <ibrar(dot)ahmad(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: [Proposal] Table-level Transparent Data Encryption (TDE) and Key Management Service (KMS) |
| Date: | 2019-07-09 12:01:35 |
| Message-ID: | d8801255-96e8-a74c-501c-200ebbda1993@joeconway.com |
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| Lists: | pgsql-hackers |
On 7/9/19 6:07 AM, Peter Eisentraut wrote:
> On 2019-07-08 18:09, Joe Conway wrote:
>> In my mind, and in practice to a
>> large extent, a postgres tablespace == a unique mount point.
>
> But a critical difference is that in file systems, a separate mount
> point has its own journal.
While it would be ideal to have separate WAL, and even separate shared
buffer pools, per tablespace, I think that is too much complexity for
the first implementation and we could have a single separate key for all
WAL for now. The main thing I don't think we want is e.g. a 50TB
database with everything encrypted with a single key -- for the reasons
previously stated.
--
Crunchy Data - http://crunchydata.com
PostgreSQL Support for Secure Enterprises
Consulting, Training, & Open Source Development
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