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doc: add PG 10 doc item about VACUUM truncation, 7e26e02ee

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Reported-by: Andres Freund
This commit is contained in:
Bruce Momjian
2017-04-25 13:45:47 -04:00
parent 3640cf5e1c
commit 3d7741194a
1 changed files with 16 additions and 0 deletions
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16
doc/src/sgml/release-10.sgml
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@ -1744,6 +1744,22 @@
</para> </para>
</listitem> </listitem>
<listitem>
<!--
Author: Alvaro Herrera <alvherre@alvh.no-ip.org>
2017-01-23 [7e26e02ee] Prefetch blocks during lazy vacuum's truncation scan
-->
<para>
Improve speed of <command>VACUUM</>'s removal of trailing empty
heap pages (Alvaro Herrera)
</para>
<para>
This information is also included in <xref
linkend="guc-log-autovacuum-min-duration"> output.
</para>
</listitem>
<listitem> <listitem>
<!-- <!--
Author: Tom Lane <tgl@sss.pgh.pa.us> Author: Tom Lane <tgl@sss.pgh.pa.us>