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Commit9326cf9

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doc: Fix descriptions of some PGC_POSTMASTER parameters.
The following parameters can only be set at server start becausetheir context is PGC_POSTMASTER, but this information was missingor incorrectly documented. This commit adds or correctsthat information for the following parameters:* debug_io_direct* dynamic_shared_memory_type* event_source* huge_pages* io_max_combine_limit* max_notify_queue_pages* shared_memory_type* track_commit_timestamp* wal_decode_buffer_sizeBackpatched to all supported branches.Author: Karina Litskevich <litskevichkarina@gmail.com>Reviewed-by: Chao Li <lic@highgo.com>Reviewed-by: Fujii Masao <masao.fujii@gmail.com>Discussion:https://postgr.es/m/CAHGQGwGfPzcin-_6XwPgVbWTOUFVZgHF5g9ROrwLUdCTfjy=0A@mail.gmail.comBackpatch-through: 13
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‎doc/src/sgml/config.sgml‎

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@@ -1658,7 +1658,8 @@ include_dir 'conf.d'
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<para>
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Controls whether huge pages are requested for the main shared memory
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area. Valid values are <literal>try</literal> (the default),
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<literal>on</literal>, and <literal>off</literal>. With
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<literal>on</literal>, and <literal>off</literal>.
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This parameter can only be set at server start. With
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<varname>huge_pages</varname> set to <literal>try</literal>, the
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server will try to request huge pages, but fall back to the default if
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that fails. With <literal>on</literal>, failure to request huge pages
@@ -2012,6 +2013,7 @@ include_dir 'conf.d'
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platform, is generally discouraged because it typically requires
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non-default kernel settings to allow for large allocations (see <xref
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linkend="sysvipc"/>).
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This parameter can only be set at server start.
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</para>
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</listitem>
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</varlistentry>
@@ -2039,6 +2041,7 @@ include_dir 'conf.d'
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however, it may be useful for debugging, when the
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<literal>pg_dynshmem</literal> directory is stored on a RAM disk, or when
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other shared memory facilities are not available.
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This parameter can only be set at server start.
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</para>
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</listitem>
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</varlistentry>
@@ -4221,9 +4224,9 @@ restore_command = 'copy "C:\\server\\archivedir\\%f" "%p"' # Windows
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</term>
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<listitem>
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<para>
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Record commit time of transactions. This parameter
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can only be setin <filename>postgresql.conf</filename> file or on theserver
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command line.The default value is <literal>off</literal>.
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Record commit time of transactions.
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This parametercan only be setatserver start.
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The default value is <literal>off</literal>.
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</para>
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</listitem>
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</varlistentry>
@@ -6363,8 +6366,7 @@ local0.* /var/log/postgresql
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determines the program name used to identify
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<productname>PostgreSQL</productname> messages in
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the log. The default is <literal>PostgreSQL</literal>.
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This parameter can only be set in the <filename>postgresql.conf</filename>
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file or on the server command line.
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This parameter can only be set at server start.
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</para>
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</listitem>
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</varlistentry>

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