Split "server changes" up into smaller sections in release notes.
This commit is contained in:
Bruce Momjian
parent
c37e357978
commit
a262394c8c
@ -1,4 +1,4 @@
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<!-- $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.547 2007/11/20 01:19:30 momjian Exp $ -->
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<!-- $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.548 2007/11/20 01:42:37 momjian Exp $ -->
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<!--
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Typical markup:
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@ -722,7 +722,7 @@ current_date < 2017-11-17
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</sect3>
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<sect3>
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<title>Server Changes</title>
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<title>General Server Changes</title>
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<itemizedlist>
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<listitem>
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@ -749,13 +749,6 @@ current_date < 2017-11-17
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</para>
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</listitem>
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<listitem>
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<para>
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Autovacuum now reports its activity start time in
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<literal>pg_stat_activity</literal> (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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Automatically re-plan cached queries when table
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@ -772,32 +765,64 @@ current_date < 2017-11-17
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<listitem>
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<para>
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Support Security Service Provider Interface (<acronym>SSPI</>) for
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authentication on Windows (Magnus)
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Add a <varname>temp_tablespaces</varname> parameter to control
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the tablespaces for temporary tables and files (Jaime Casanova,
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Albert Cervera, Bernd Helmle)
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</para>
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<para>
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This parameter defines a list of tablespaces to be used. This
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enables spreading the I/O load across multiple tablespaces. A random
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tablespace is chosen each time a temporary object is created.
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Temporary files are no longer stored in per-database
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<filename>pgsql_tmp/</filename> directories but in per-tablespace
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directories.
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</para>
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</listitem>
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<listitem>
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<para>
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Support GSSAPI authentication (Henry Hotz, Magnus)
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Limit the amount of information reported when a user is dropped
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(Alvaro)
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</para>
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<para>
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This should be preferred to native Kerberos authentication because
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GSSAPI is an industry standard.
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Previously, dropping (or attempting to drop) a user who owned many
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objects could result in large <literal>NOTICE</literal> or
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<literal>ERROR</literal> messages listing all these objects; this
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caused problems for some client applications. The length of the
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message is now limited, although a full list is still sent to the
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server log.
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</para>
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</listitem>
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<listitem>
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<para>
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Support a global SSL configuration file (Victor Wagner)
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Place temporary tables' TOAST tables in special schemas named
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<literal>pg_toast_temp_<replaceable>nnn</></literal> (Tom)
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</para>
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<para>
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This allows low-level code to recognize these tables as temporary,
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which enables various optimizations such as not WAL-logging changes
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and using local rather than shared buffers for access. This also
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fixes a bug wherein backends unexpectedly held open file references
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to temporary TOAST tables.
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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 <varname>ssl_ciphers</> parameter to control accepted SSL ciphers
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(Victor Wagner)
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Fix problem that a constant flow of new connection requests could
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indefinitely delay the postmaster from completing a shutdown or
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a crash restart (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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Allow <command>CREATE INDEX CONCURRENTLY</command> to ignore
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transactions in other databases (Simon)
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</para>
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</listitem>
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@ -818,6 +843,21 @@ current_date < 2017-11-17
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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 Monitoring</title>
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<itemizedlist>
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<listitem>
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<para>
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Autovacuum now reports its activity start time in
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<literal>pg_stat_activity</literal> (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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Allow server log output in comma-separated value (CSV) format (Arul
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@ -886,46 +926,6 @@ current_date < 2017-11-17
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</para>
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</listitem>
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<listitem>
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<para>
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Change the timestamps recorded in transaction WAL records from
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time_t to TimestampTz representation (Tom)
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</para>
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<para>
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This provides sub-second resolution in WAL, which can be useful for
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point-in-time recovery.
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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 boolean configuration parameter, <varname>archive_mode</>,
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controls archiving (Simon)
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</para>
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<para>
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Previously setting <varname>archive_command</> to an empty string
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turned off archiving. Now <varname>archive_mode</> turns archiving
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on and off, independently of <varname>archive_command</>. This is
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useful for stopping archiving temporarily.
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</para>
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</listitem>
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<listitem>
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<para>
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Reduce WAL workspace needed by warm standby servers (Simon)
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</para>
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<para>
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This change allows a warm standby server to identify the earliest
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still-needed WAL file to the recovery script, allowing automatic removal
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of no-longer-needed WAL files. This is done using <literal>%r</> in
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the <varname>restore_command</varname> parameter of
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<filename>recovery.conf</filename>.
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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 <varname>log_restartpoints</varname> to control logging of
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@ -940,23 +940,6 @@ current_date < 2017-11-17
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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 a <varname>temp_tablespaces</varname> parameter to control
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the tablespaces for temporary tables and files (Jaime Casanova,
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Albert Cervera, Bernd Helmle)
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</para>
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|
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<para>
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This parameter defines a list of tablespaces to be used. This
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enables spreading the I/O load across multiple tablespaces. A random
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tablespace is chosen each time a temporary object is created.
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Temporary files are no longer stored in per-database
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<filename>pgsql_tmp/</filename> directories but in per-tablespace
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directories.
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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 system view <literal>pg_stat_bgwriter</literal> displays
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@ -1028,49 +1011,42 @@ current_date < 2017-11-17
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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 Changes</title>
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<itemizedlist>
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<listitem>
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<para>
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Limit the amount of information reported when a user is dropped
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(Alvaro)
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</para>
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<para>
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Previously, dropping (or attempting to drop) a user who owned many
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objects could result in large <literal>NOTICE</literal> or
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<literal>ERROR</literal> messages listing all these objects; this
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caused problems for some client applications. The length of the
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message is now limited, although a full list is still sent to the
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server log.
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Support Security Service Provider Interface (<acronym>SSPI</>) for
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authentication on Windows (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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Place temporary tables' TOAST tables in special schemas named
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<literal>pg_toast_temp_<replaceable>nnn</></literal> (Tom)
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Support GSSAPI authentication (Henry Hotz, Magnus)
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</para>
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<para>
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This allows low-level code to recognize these tables as temporary,
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which enables various optimizations such as not WAL-logging changes
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and using local rather than shared buffers for access. This also
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fixes a bug wherein backends unexpectedly held open file references
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to temporary TOAST tables.
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This should be preferred to native Kerberos authentication because
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GSSAPI is an industry standard.
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</para>
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</listitem>
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<listitem>
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<para>
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Fix problem that a constant flow of new connection requests could
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indefinitely delay the postmaster from completing a shutdown or
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a crash restart (Tom)
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Support a global SSL configuration file (Victor Wagner)
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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 <command>CREATE INDEX CONCURRENTLY</command> to ignore
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transactions in other databases (Simon)
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Add <varname>ssl_ciphers</> parameter to control accepted SSL ciphers
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(Victor Wagner)
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</para>
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</listitem>
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@ -1084,6 +1060,54 @@ current_date < 2017-11-17
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</sect3>
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<sect3>
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<title>WAL and Continuous Archiving Changes</title>
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<itemizedlist>
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<listitem>
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<para>
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Change the timestamps recorded in transaction WAL records from
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time_t to TimestampTz representation (Tom)
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</para>
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<para>
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This provides sub-second resolution in WAL, which can be useful for
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point-in-time recovery.
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</para>
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</listitem>
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<listitem>
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<para>
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Reduce WAL disk space needed by warm standby servers (Simon)
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</para>
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<para>
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This change allows a warm standby server to pass the name of the earliest
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still-needed WAL file to the recovery script, allowing automatic removal
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of no-longer-needed WAL files. This is done using <literal>%r</> in
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the <varname>restore_command</varname> parameter of
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<filename>recovery.conf</filename>.
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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 boolean configuration parameter, <varname>archive_mode</>,
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controls archiving (Simon)
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</para>
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<para>
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Previously setting <varname>archive_command</> to an empty string
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turned off archiving. Now <varname>archive_mode</> turns archiving
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on and off, independently of <varname>archive_command</>. This is
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useful for stopping archiving temporarily.
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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>Query Changes</title>
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<itemizedlist>
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