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Jakob Huber
postgres-lambda-diff
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b8b7b723
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b8b7b723
authored
11 years ago
by
Tom Lane
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Improve draft release notes.
Per suggestions from Andres Freund. Also fix spelling of Sergey Burladyan's name.
parent
7a1e34d3
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doc/src/sgml/release-9.3.sgml
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b8b7b723
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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-onl
y queries, by marking committed transactions
start to accept
hot-standb
y 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, Álvaro Herrera)
Fix multiple bugs in update chain traversal (Andres Freund,
Álvaro 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 recover
y
Truncate <filename>pg_multixact</> contents during
WAL repla
y
(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>
...
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