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Improve draft release notes.

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Per suggestions from Andres Freund.  Also fix spelling of
Sergey Burladyan's name.
This commit is contained in:
Tom Lane 2013-12-02 12:17:46 -05:00
parent 7a1e34d371
commit b8b7b723f2
1 changed files with 52 additions and 23 deletions
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doc/src/sgml/release-9.3.sgml
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@ -53,8 +53,7 @@ Branch: REL8_4_STABLE [8a7f4466a] 2013-11-27 13:40:05 +0200
<listitem>
<para>
Fix <command>VACUUM</>'s tests to see whether it can
update <structfield>relfrozenxid</> (Andres Freund, Sergey Burladyn,
Jeff Janes)
update <structfield>relfrozenxid</> (Andres Freund)
</para>
<para>
@ -129,12 +128,12 @@ Branch: REL9_0_STABLE [b4f697f8e] 2013-11-22 14:49:07 +0200
<listitem>
<para>
Fix initialization of <filename>pg_clog</> and <filename>pg_subtrans</>
during hot standby startup (Andres Freund)
during hot standby startup (Andres Freund, Heikki Linnakangas)
</para>
<para>
This bug can cause data loss on standby servers at the moment they
start to accept read-only queries, by marking committed transactions
start to accept hot-standby queries, by marking committed transactions
as uncommitted. The likelihood of such corruption is small unless, at
the time of standby startup, the primary server has executed many
updating transactions since its last checkpoint. Symptoms include
@ -152,20 +151,6 @@ Branch: REL9_0_STABLE [b4f697f8e] 2013-11-22 14:49:07 +0200
</para>
</listitem>
<!--
Author: Heikki Linnakangas <heikki.linnakangas@iki.fi>
Branch: master [83eb54001] 2013-10-23 14:24:37 +0300
Branch: REL9_3_STABLE [f90d7426e] 2013-10-23 14:25:43 +0300
Branch: REL9_2_STABLE [4da24f12e] 2013-10-23 14:25:50 +0300
-->
<listitem>
<para>
Fix bugs in setting the visibility-map bit for an empty page (Andres
Freund)
</para>
</listitem>
<!--
Author: Alvaro Herrera <alvherre@alvh.no-ip.org>
Branch: master [1ce150b7b] 2013-11-29 21:47:21 -0300
@ -174,8 +159,15 @@ Branch: REL9_3_STABLE [663d2e485] 2013-11-29 21:48:18 -0300
<listitem>
<para>
Fix multiple bugs in update chain traversal (Andres
Freund, &Aacute;lvaro Herrera)
Fix multiple bugs in update chain traversal (Andres Freund,
&Aacute;lvaro Herrera)
</para>
<para>
These bugs could result in incorrect behavior, such as locking or even
updating the wrong row, in the presence of concurrent updates.
Spurious <quote>unable to fetch updated version of tuple</> errors
were also possible.
</para>
</listitem>
@ -225,13 +217,50 @@ Branch: REL9_0_STABLE [6d0b8cd2f] 2013-11-29 22:02:15 -0300
<listitem>
<para>
Truncate <filename>pg_multixact</> contents during crash recovery
Truncate <filename>pg_multixact</> contents during WAL replay
(Andres Freund)
</para>
<para>
This avoids ever-increasing disk space consumption in hot standby
mode.
This avoids ever-increasing disk space consumption in standby servers.
</para>
</listitem>
<!--
Author: Heikki Linnakangas <heikki.linnakangas@iki.fi>
Branch: master [4c697d8f4] 2013-11-18 09:51:09 +0200
Branch: REL9_3_STABLE [ea2bb1b47] 2013-11-18 10:16:31 +0200
Branch: REL9_2_STABLE [3379263b6] 2013-11-18 10:12:22 +0200
-->
<listitem>
<para>
Ensure an anti-wraparound <command>VACUUM</> counts a page as scanned
when it's only verified that no tuples need freezing (Sergey
Burladyan, Jeff Janes)
</para>
<para>
This bug could result in failing to
advance <structfield>relfrozenxid</>, so that the table would still be
thought to need another anti-wraparound vacuum. In the worst case the
database might even shut down to prevent wraparound.
</para>
</listitem>
<!--
Author: Alvaro Herrera <alvherre@alvh.no-ip.org>
Branch: master [f54106f77] 2013-11-29 21:47:13 -0300
Branch: REL9_3_STABLE [f5f92bdc4] 2013-11-29 21:48:11 -0300
-->
<listitem>
<para>
Fix full-table-vacuum request mechanism for MultiXactIds (Andres Freund)
</para>
<para>
This bug could result in large amounts of useless autovacuum activity.
</para>
</listitem>