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| author | Bruce Momjian <bruce@momjian.us> | 2022-05-11 20:55:01 -0400 |
|---|---|---|
| committer | Bruce Momjian <bruce@momjian.us> | 2022-05-11 20:55:22 -0400 |
| commit | 922d1a27e9bd3415522a5ec5578c7c1324b16b93 (patch) | |
| tree | 41662b29821908d036080e3d7fa5f34df5e81bca | |
| parent | ab02d702ef08343fba30d90fdf7df5950063e8c9 (diff) | |
| download | postgresql-922d1a27e9bd3415522a5ec5578c7c1324b16b93.tar.gz postgresql-922d1a27e9bd3415522a5ec5578c7c1324b16b93.zip | |
relnote: improve sorting entries
Reported-by: David Rowley
Discussion: https://postgr.es/m/CAApHDvrToHFvL-W03vSi6T50uScyhrdUGzTtcuLAjdjtRF8FLA@mail.gmail.com
| -rw-r--r-- | doc/src/sgml/release-15.sgml | 34 |
1 files changed, 17 insertions, 17 deletions
diff --git a/doc/src/sgml/release-15.sgml b/doc/src/sgml/release-15.sgml index 150a4c857e0..635941a9083 100644 --- a/doc/src/sgml/release-15.sgml +++ b/doc/src/sgml/release-15.sgml @@ -631,23 +631,6 @@ Previously de-duplication was disabled for these types of indexes. </listitem> <!-- -Author: Heikki Linnakangas <heikki.linnakangas@iki.fi> -2021-10-18 [65014000b] Replace polyphase merge algorithm with a simple balanced -Author: Heikki Linnakangas <heikki.linnakangas@iki.fi> -2021-10-25 [166f94377] Clarify the logic in a few places in the new balanced me ---> - -<listitem> -<para> -Improve sorting performance (Heikki Linnakangas) -</para> - -<para> -Specifically, switch to a batch sorting algorithm that uses more output streams internally. -</para> -</listitem> - -<!-- Author: Alexander Korotkov <akorotkov@postgresql.org> 2022-02-07 [f1ea98a79] Reduce non-leaf keys overlap in GiST indexes produced by --> @@ -793,6 +776,23 @@ This will improve text-heavy operations like COPY FROM. </listitem> <!-- +Author: Heikki Linnakangas <heikki.linnakangas@iki.fi> +2021-10-18 [65014000b] Replace polyphase merge algorithm with a simple balanced +Author: Heikki Linnakangas <heikki.linnakangas@iki.fi> +2021-10-25 [166f94377] Clarify the logic in a few places in the new balanced me +--> + +<listitem> +<para> +Improve performance for sorts that exceed work_mem (Heikki Linnakangas) +</para> + +<para> +Specifically, switch to a batch sorting algorithm that uses more output streams internally. +</para> +</listitem> + +<!-- Author: David Rowley <drowley@postgresql.org> 2021-07-22 [91e9e89dc] Make nodeSort.c use Datum sorts for single column sorts Author: David Rowley <drowley@postgresql.org> |