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doc: add transaction processing chapter with internals info

This also adds references to this new chapter at relevant sections of
our documentation.  Previously much of these internal details were
exposed to users, but not explained.  This also updates RELEASE
SAVEPOINT.

Discussion: https://postgr.es/m/CANbhV-E_iy9fmrErxrCh8TZTyenpfo72Hf_XD2HLDppva4dUNA@mail.gmail.com

Author: Simon Riggs, Laurenz Albe

Reviewed-by: Bruce Momjian

Backpatch-through: 11
This commit is contained in:
Bruce Momjian
2022-11-29 20:49:52 -05:00
parent d18655cc03
commit 66bc9d2d3e
14 changed files with 292 additions and 44 deletions

View File

@@ -4,8 +4,9 @@
<title>Reliability and the Write-Ahead Log</title>
<para>
This chapter explains how the Write-Ahead Log is used to obtain
efficient, reliable operation.
This chapter explains how to control the reliability of
<productname>PostgreSQL</productname>, including details about the
Write-Ahead Log.
</para>
<sect1 id="wal-reliability">
@@ -909,4 +910,5 @@
seem to be a problem in practice.
</para>
</sect1>
</chapter>