mirror of
https://git.postgresql.org/git/postgresql.git
synced 2025-01-12 18:34:36 +08:00
Add "automatically" to HOT release note description.
This commit is contained in:
parent
1ab19a36a5
commit
d9c7f63244
@ -1,4 +1,4 @@
|
||||
<!-- $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.578 2008/02/02 23:30:23 tgl Exp $ -->
|
||||
<!-- $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.579 2008/02/07 22:28:54 momjian Exp $ -->
|
||||
<!--
|
||||
|
||||
Typical markup:
|
||||
@ -741,10 +741,11 @@ current_date < 2017-11-17
|
||||
<command>UPDATE</>s and <command>DELETE</>s leave dead tuples
|
||||
behind, as do failed <command>INSERT</>s. Previously only
|
||||
<command>VACUUM</> could reclaim space taken by dead tuples. With
|
||||
<acronym>HOT</> dead tuple space can be reclaimed at the time of
|
||||
<command>INSERT</> or <command>UPDATE</> if no changes are made to
|
||||
indexed columns. This allows for more consistent performance.
|
||||
Also, <acronym>HOT</> avoids adding duplicate index entries.
|
||||
<acronym>HOT</> dead tuple space can be automatically reclaimed at
|
||||
the time of <command>INSERT</> or <command>UPDATE</> if no changes
|
||||
are made to indexed columns. This allows for more consistent
|
||||
performance. Also, <acronym>HOT</> avoids adding duplicate index
|
||||
entries.
|
||||
</para>
|
||||
</listitem>
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user