diff options
-rw-r--r-- | doc/src/sgml/release-10.sgml | 42 |
1 files changed, 27 insertions, 15 deletions
diff --git a/doc/src/sgml/release-10.sgml b/doc/src/sgml/release-10.sgml index 93bcb079be2..18483238f10 100644 --- a/doc/src/sgml/release-10.sgml +++ b/doc/src/sgml/release-10.sgml @@ -49,26 +49,14 @@ <listitem> <!-- -Author: Robert Haas <rhaas@postgresql.org> -2016-11-30 [6d46f4783] Improve hash index bucket split behavior. -Author: Robert Haas <rhaas@postgresql.org> -2017-02-07 [293e24e50] Cache hash index's metapage in rel->rd_amcache. -Author: Robert Haas <rhaas@postgresql.org> -2017-02-27 [b0f18cb77] hash: Refactor bucket squeeze code. -Author: Robert Haas <rhaas@postgresql.org> -2017-02-27 [30df93f69] hash: Refactor overflow page allocation. -Author: Robert Haas <rhaas@postgresql.org> -2017-04-03 [ea69a0dea] Expand hash indexes more gradually. +Created from "Improve hash bucket split performance" item --> <para> -Improve hash bucket split performance by reducing locking requirements -(Amit Kapila, Mithun Cy) +<application>pg_upgrade</>-ed hash indexes from previous major Postgres versions must be rebuilt. </para> <para> -Also cache hash index meta-information for faster lookups. Additional -hash performance improvements have also been made. <application>pg_upgrade</>'d hash -indexes from previous major Postgres versions must be rebuilt. +Major hash index performance improvements necessitated this requirement. </para> </listitem> @@ -478,6 +466,30 @@ warning message about their use. <listitem> <!-- Author: Robert Haas <rhaas@postgresql.org> +2016-11-30 [6d46f4783] Improve hash index bucket split behavior. +Author: Robert Haas <rhaas@postgresql.org> +2017-02-07 [293e24e50] Cache hash index's metapage in rel->rd_amcache. +Author: Robert Haas <rhaas@postgresql.org> +2017-02-27 [b0f18cb77] hash: Refactor bucket squeeze code. +Author: Robert Haas <rhaas@postgresql.org> +2017-02-27 [30df93f69] hash: Refactor overflow page allocation. +Author: Robert Haas <rhaas@postgresql.org> +2017-04-03 [ea69a0dea] Expand hash indexes more gradually. +--> +<para> +Improve hash bucket split performance by reducing locking requirements +(Amit Kapila, Mithun Cy) +</para> + +<para> +Also cache hash index meta-information for faster lookups. Additional +hash performance improvements have also been made. +</para> +</listitem> + +<listitem> +<!-- +Author: Robert Haas <rhaas@postgresql.org> 2017-03-15 [6977b8b7f] Port single-page btree vacuum logic to hash indexes. --> <para> |