| From: | Bruce Momjian <bruce(at)momjian(dot)us> |
|---|---|
| To: | Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com> |
| Cc: | Joe Conway <mail(at)joeconway(dot)com>, Antonin Houska <ah(at)cybertec(dot)at>, Stephen Frost <sfrost(at)snowman(dot)net>, Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, 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: | 2019-07-29 16:11:27 |
| Message-ID: | 20190729161127.slfl76apo7gncvf7@momjian.us |
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| Lists: | pgsql-hackers |
On Sun, Jul 28, 2019 at 10:33:03PM -0400, Bruce Momjian wrote:
> I did some more research on which cases use a single LSN to modify
> multiple 8k pages. The normal program flow is:
>
> XLogBeginInsert();
> ...
> --> XLogRegisterBuffer(0, meta, ...
> recptr = XLogInsert(RM_BRIN_ID, XLOG_...
>
> page = BufferGetPage(meta);
> PageSetLSN(page, recptr);
>
> XLogInsert() calls BufferGetTag(), which fills in the buffer's
Correction, XLogRegisterBuffer() calls BufferGetTag(). I have updated the
quote above. That is the function I checked, not XLogInsert().
--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com
+ As you are, so once was I. As I am, so you will be. +
+ Ancient Roman grave inscription +
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