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authorBruce Momjian <bruce@momjian.us>2024-05-15 22:47:59 -0400
committerBruce Momjian <bruce@momjian.us>2024-05-15 22:48:19 -0400
commita8010d03e1f30c657b6c868fa857c7b8b53c3fbc (patch)
treede919ced36f400a82a80db4ffc3eeabf07c87328 /doc/src
parent4dd29b683334739168f60df520dcc9218b6fead7 (diff)
downloadpostgresql-a8010d03e1f30c657b6c868fa857c7b8b53c3fbc.tar.gz
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doc PG 17 relnotes: add item about vacuum storage/limits/WAL
Reported-by: Alvaro Herrera Discussion: https://postgr.es/m/202405150838.sg5ddcexyyf4@alvherre.pgsql Backpatch-through: master
Diffstat (limited to 'doc/src')
-rw-r--r--doc/src/sgml/release-17.sgml19
1 files changed, 19 insertions, 0 deletions
diff --git a/doc/src/sgml/release-17.sgml b/doc/src/sgml/release-17.sgml
index e68c499e0db..7f36a35954d 100644
--- a/doc/src/sgml/release-17.sgml
+++ b/doc/src/sgml/release-17.sgml
@@ -520,6 +520,25 @@ Allow vacuum to more efficiently remove and freeze tuples (Masahiko Sawada, John
</listitem>
<!--
+Author: Masahiko Sawada <msawada@postgresql.org>
+2024-03-21 [30e144287] Add TIDStore, to store sets of TIDs (ItemPointerData) ef
+Author: Masahiko Sawada <msawada@postgresql.org>
+2024-04-02 [667e65aac] Use TidStore for dead tuple TIDs storage during lazy vac
+Author: Heikki Linnakangas <heikki.linnakangas@iki.fi>
+2024-04-03 [6dbb49026] Combine freezing and pruning steps in VACUUM
+-->
+
+<listitem>
+<para>
+Allow vacuum to more efficiently store tuple references and remove its memory limit (Masahiko Sawada, John Naylor)
+</para>
+
+<para>
+Specifically, maintenance_work_mem and autovacuum_work_mem can now be configured to use more than one gigabyte of memory. WAL traffic caused by vacuum is also more compact.
+</para>
+</listitem>
+
+<!--
Author: Robert Haas <rhaas@postgresql.org>
2024-01-18 [c120550ed] Optimize vacuuming of relations with no indexes.
-->