mirror of
https://git.postgresql.org/git/postgresql.git
synced 2025-01-06 15:24:56 +08:00
More release note adjustments, reordering.
This commit is contained in:
Bruce Momjian
parent
e604c8b51e
commit
3eedb9a17f
@ -1,4 +1,4 @@
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<!-- $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.617 2009/03/30 19:59:19 momjian Exp $ -->
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<!-- $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.618 2009/03/30 20:32:49 momjian Exp $ -->
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<!--
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Typical markup:
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@ -125,10 +125,29 @@ do it for earlier branch release files.
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<para>
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This was available previously via a configure
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--enable-integer-datetimes.
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--enable-integer-datetimes option.
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</para>
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</listitem>
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||||
<listitem>
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||||
<para>
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||||
Remove <application>ipcclean</> utility command (Bruce)
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</para>
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<para>
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The utility only worked on a few platforms; users should use
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their operating system tools instead.
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</para>
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</listitem>
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||||
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||||
</itemizedlist>
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||||
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||||
</sect3>
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||||
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<sect3>
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<title>Server Settings</title>
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<itemizedlist>
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<listitem>
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<para>
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Change <filename>postgresql.conf</> default for log_min_messages
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@ -204,19 +223,9 @@ do it for earlier branch release files.
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<listitem>
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<para>
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Remove <application>ipcclean</> utility command (Bruce)
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</para>
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<para>
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The utility only worked on a few platforms; users should use
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their operating system tools instead.
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</para>
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</listitem>
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<listitem>
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<para>
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The <filename>pg_hba.conf</> section below also has extensive
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changes related to migration.
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The <link
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linkend="release-8-4-pg-hba-conf"><filename>pg_hba.conf</></link>
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section below also has extensive changes related to migration.
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</para>
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</listitem>
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@ -288,7 +297,7 @@ do it for earlier branch release files.
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<sect3>
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<title>Functions and Operators</title>
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<title>General Functions and Operators</title>
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<itemizedlist>
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@ -323,6 +332,31 @@ do it for earlier branch release files.
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</para>
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</listitem>
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<listitem>
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<para>
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Remove <literal>~=~</> and <literal>~<>~</> operators
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used for <literal>LIKE</> index comparisons (Tom) bjm: needed,
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pg_upgrade impact?
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</para>
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<para>
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A not-immediately-obvious incompatibility is that the sort
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order within <literal>bpchar_pattern_ops</> indexes changes
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--- it had been identical to plain <function>strcmp()</>, but
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is now trailing-blank-insensitive. This will impact in-place
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upgrades, if those ever happen.
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</para>
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</listitem>
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</itemizedlist>
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</sect3>
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<sect3>
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<title>Temporal Functions and Operators</title>
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<itemizedlist>
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<listitem>
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<para>
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Have <function>to_char()</>'s localized month/day names depend
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@ -381,22 +415,6 @@ do it for earlier branch release files.
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</para>
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</listitem>
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<listitem>
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<para>
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Remove <literal>~=~</> and <literal>~<>~</> operators
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used for <literal>LIKE</> index comparisons (Tom) bjm: needed,
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pg_upgrade impact?
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</para>
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<para>
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A not-immediately-obvious incompatibility is that the sort
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order within <literal>bpchar_pattern_ops</> indexes changes
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--- it had been identical to plain <function>strcmp()</>, but
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is now trailing-blank-insensitive. This will impact in-place
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upgrades, if those ever happen.
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</para>
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</listitem>
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</itemizedlist>
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</sect3>
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@ -546,35 +564,6 @@ do it for earlier branch release files.
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</sect3>
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<sect3>
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<title>Wide-Value Storage (<acronym>TOAST</>)</title>
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<itemizedlist>
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<listitem>
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<para>
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Consider <acronym>TOAST</> compression on values as short as
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32 bytes (previously 256 bytes) (Tom)
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</para>
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</listitem>
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<listitem>
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<para>
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Require 25% of space savings before using <acronym>TOAST</>
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compression (previously 20%) (Tom)
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</para>
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</listitem>
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<listitem>
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<para>
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Be more aggressive in storing <literal>EXTERNAL</> and
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<literal>EXTENDED</> column values in <acronym>TOAST</>(Tom)
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</para>
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</listitem>
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</itemizedlist>
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</sect3>
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<sect3>
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<title>Server Settings</title>
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<itemizedlist>
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@ -606,137 +595,6 @@ do it for earlier branch release files.
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</sect3>
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<sect3>
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<title>Monitoring</title>
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<itemizedlist>
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<listitem>
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<para>
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Add <function>pg_conf_load_time()</> to report when
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the Postgres configuration files were last loaded (George
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Gensure)
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</para>
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</listitem>
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<listitem>
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<para>
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Add <function>pg_terminate_backend()</> to safely terminate a
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backend (the <literal>SIGTERM</> signal works also) (Tom, Bruce)
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</para>
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</listitem>
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<listitem>
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<para>
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Add ability to track user-defined functions call counts and
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runtimes via parameter <varname>track_functions</> (Martin
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Pihlak)
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</para>
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<para>
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Function statistics appear in a new system table,
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<literal>pg_stat_user_functions</>. However, inlined
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<acronym>SQL</> functions are not tracked.
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</para>
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</listitem>
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<listitem>
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<para>
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Allow specification of the maximum <literal>pg_stat_activity</>
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query string size via <varname>track_activity_query_size</>
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parameter (Thomas Lee)
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</para>
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</listitem>
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<listitem>
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<para>
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Improve syslog performance by increasing the maximum line length
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(Tom)
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</para>
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</listitem>
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<listitem>
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<para>
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Add read-only <filename>postgresql.conf</> variables <varname>segment_size</>,
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<varname>wal_block_size</>, and <varname>wal_segment_size</> (Bernd Helmle)
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</para>
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</listitem>
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<listitem>
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<para>
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When reporting a deadlock, report all session queries involved
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in the deadlock to the server log (Itagaki Takahiro)
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</para>
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</listitem>
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<listitem>
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<para>
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New <function>pg_stat_get_activity(pid)</> function to return
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information about a specific process id (Magnus)
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</para>
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</listitem>
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<listitem>
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<para>
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Move the server statistics file into the subdirectory
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<filename>pg_stat_tmp</> and allow its location to be specified
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via <varname>stats_temp_directory</> (Magnus)
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</para>
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<para>
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This allows the statistics file to be placed in a
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<acronym>RAM</>-resident directory to reduce I/O requirements.
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On startup/shutdown, the file is copied to the top-level
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<literal>$PGDATA</> directory so it is preserved between
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restarts.
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</para>
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</listitem>
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</itemizedlist>
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</sect3>
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<sect3>
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<title>Continuous Archiving</title>
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<itemizedlist>
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<listitem>
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<para>
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Have <function>pg_stop_backup()</> wait for modified <acronym>WAL</>
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files to be archived (Simon)
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</para>
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<para>
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This guarantees that the backup is valid at the time
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<function>pg_stop_backup()</> completes.
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</para>
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</listitem>
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<listitem>
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<para>
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Prevent normal shutdown if a continuous archiving base backup
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is in progress (Laurenz Albe)
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</para>
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</listitem>
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<listitem>
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<para>
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Cancel a continuous archiving base backup if a fast shutdown
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is requested (Laurenz Albe)
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</para>
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</listitem>
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<listitem>
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<para>
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Allow <filename>recovery.conf</> boolean variables to take the
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same range of string values as <filename>postgresql.conf</>
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(Bruce)
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</para>
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</listitem>
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</itemizedlist>
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</sect3>
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<sect3>
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<title>Authentication</title>
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<itemizedlist>
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@ -766,7 +624,7 @@ do it for earlier branch release files.
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</sect3>
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<sect3>
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<sect3 id="release-8-4-pg-hba-conf">
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<title><filename>pg_hba.conf</></title>
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<itemizedlist>
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@ -876,6 +734,137 @@ do it for earlier branch release files.
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</sect3>
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<sect3>
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<title>Continuous Archiving</title>
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<itemizedlist>
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<listitem>
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<para>
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Have <function>pg_stop_backup()</> wait for modified <acronym>WAL</>
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files to be archived (Simon)
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</para>
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<para>
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This guarantees that the backup is valid at the time
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<function>pg_stop_backup()</> completes.
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</para>
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</listitem>
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<listitem>
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<para>
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Prevent normal shutdown if a continuous archiving base backup
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is in progress (Laurenz Albe)
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</para>
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</listitem>
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<listitem>
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<para>
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Cancel a continuous archiving base backup if a fast shutdown
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is requested (Laurenz Albe)
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</para>
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</listitem>
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<listitem>
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<para>
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Allow <filename>recovery.conf</> boolean variables to take the
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same range of string values as <filename>postgresql.conf</>
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(Bruce)
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</para>
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</listitem>
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</itemizedlist>
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</sect3>
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<sect3>
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<title>Monitoring</title>
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<itemizedlist>
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<listitem>
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<para>
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Add <function>pg_conf_load_time()</> to report when
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the Postgres configuration files were last loaded (George
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Gensure)
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</para>
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</listitem>
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<listitem>
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<para>
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Add <function>pg_terminate_backend()</> to safely terminate a
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backend (the <literal>SIGTERM</> signal works also) (Tom, Bruce)
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</para>
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</listitem>
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<listitem>
|
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<para>
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Add ability to track user-defined functions call counts and
|
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runtimes via parameter <varname>track_functions</> (Martin
|
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Pihlak)
|
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</para>
|
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|
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<para>
|
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Function statistics appear in a new system table,
|
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<literal>pg_stat_user_functions</>. However, inlined
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<acronym>SQL</> functions are not tracked.
|
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</para>
|
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</listitem>
|
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|
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<listitem>
|
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<para>
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Allow specification of the maximum <literal>pg_stat_activity</>
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query string size via <varname>track_activity_query_size</>
|
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parameter (Thomas Lee)
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</para>
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</listitem>
|
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|
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<listitem>
|
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<para>
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Improve syslog performance by increasing the maximum line length
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(Tom)
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</para>
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</listitem>
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<listitem>
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<para>
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Add read-only <filename>postgresql.conf</> variables <varname>segment_size</>,
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<varname>wal_block_size</>, and <varname>wal_segment_size</> (Bernd Helmle)
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</para>
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</listitem>
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<listitem>
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<para>
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When reporting a deadlock, report all session queries involved
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in the deadlock to the server log (Itagaki Takahiro)
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</para>
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</listitem>
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<listitem>
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<para>
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New <function>pg_stat_get_activity(pid)</> function to return
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information about a specific process id (Magnus)
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</para>
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</listitem>
|
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<listitem>
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<para>
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Move the server statistics file into the subdirectory
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<filename>pg_stat_tmp</> and allow its location to be specified
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via <varname>stats_temp_directory</> (Magnus)
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</para>
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|
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<para>
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This allows the statistics file to be placed in a
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<acronym>RAM</>-resident directory to reduce I/O requirements.
|
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On startup/shutdown, the file is copied to the top-level
|
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<literal>$PGDATA</> directory so it is preserved between
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restarts.
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</para>
|
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</listitem>
|
||||
|
||||
</itemizedlist>
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||||
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||||
</sect3>
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||||
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||||
<sect3>
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||||
<title>Queries</title>
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<itemizedlist>
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@ -979,8 +968,7 @@ do it for earlier branch release files.
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<listitem>
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<para>
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Improve the parser's ability to report the error location of
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a query (Tom)
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Improve the parser's ability to report error locations (Tom)
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</para>
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</listitem>
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@ -1683,6 +1671,35 @@ do it for earlier branch release files.
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</sect3>
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||||
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<sect3>
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<title>Wide-Value Storage (<acronym>TOAST</>)</title>
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<itemizedlist>
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<listitem>
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<para>
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Consider <acronym>TOAST</> compression on values as short as
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32 bytes (previously 256 bytes) (Tom)
|
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</para>
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||||
</listitem>
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||||
|
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<listitem>
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<para>
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||||
Require 25% of space savings before using <acronym>TOAST</>
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compression (previously 20%) (Tom)
|
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</para>
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||||
</listitem>
|
||||
|
||||
<listitem>
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||||
<para>
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||||
Be more aggressive in storing <literal>EXTERNAL</> and
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<literal>EXTENDED</> column values in <acronym>TOAST</>(Tom)
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</para>
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||||
</listitem>
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||||
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||||
</itemizedlist>
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||||
|
||||
</sect3>
|
||||
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||||
<sect3>
|
||||
<title>General Functions</title>
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||||
<itemizedlist>
|
||||
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||||
Loading…
Reference in New Issue
Block a user