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doc: Define MXID as an acronym

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XID is defined as an acronym in the documentation but MXID (Multixact
ID) was missing from the acronym list.  This adds MXID as an acronym
and links it to the "Multixacts and Wraparound" section.

Author: Koshino Taiki <koshino@sraoss.co.jp>
Discussion: https://postgr.es/m/OS9PR01MB17364A940ACFCADBB7593498A94D32@OS9PR01MB17364.jpnprd01.prod.outlook.com
This commit is contained in:
Daniel Gustafsson
2026-08-06 14:07:57 +02:00
parent 9b917a9311
commit f0178deecb
2 changed files with 11 additions and 1 deletions
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9
doc/src/sgml/acronyms.sgml
View File

@@ -494,6 +494,15 @@
</listitem>
</varlistentry>
<varlistentry>
<term><acronym>MXID</acronym></term>
<listitem>
<para>
<link linkend="vacuum-for-multixact-wraparound">Multixact Identifier</link>
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><acronym>NLS</acronym></term>
<listitem>

3
doc/src/sgml/maintenance.sgml
View File

@@ -766,7 +766,8 @@ HINT: Execute a database-wide VACUUM in that database.
</indexterm>
<para>
<firstterm>Multixact IDs</firstterm> are used to support row locking by
<firstterm>Multixact IDs</firstterm> (<acronym>MXID</acronym>)
are used to support row locking by
multiple transactions. Since there is only limited space in a tuple
header to store lock information, that information is encoded as
a <quote>multiple transaction ID</quote>, or multixact ID for short,