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Commit2941138

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doc: Fix description of some GUCs in docs and postgresql.conf.sample
The following parameters have been imprecise, or incorrect, about theirdescription (PGC_POSTMASTER or PGC_SIGHUP):- autovacuum_work_mem (docs, as of 9.6~)- huge_page_size (docs, as of 14~)- max_logical_replication_workers (docs, as of 10~)- max_sync_workers_per_subscription (docs, as of 10~)- min_dynamic_shared_memory (docs, as of 14~)- recovery_init_sync_method (postgresql.conf.sample, as of 14~)- remove_temp_files_after_crash (docs, as of 14~)- restart_after_crash (docs, as of 9.6~)- ssl_min_protocol_version (docs, as of 12~)- ssl_max_protocol_version (docs, as of 12~)This commit adjusts the description of all these parameters to be moreconsistent with the practice used for the others.Revewed-by: Justin PryzbyDiscussion:https://postgr.es/m/YK2ltuLpe+FbRXzA@paquier.xyzBackpatch-through: 9.6
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‎doc/src/sgml/config.sgml

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@@ -1472,6 +1472,11 @@ include_dir 'conf.d'
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The default is <literal>TLSv1.2</literal>, which satisfies industry
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best practices as of this writing.
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</para>
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<para>
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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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</para>
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</listitem>
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</varlistentry>
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@@ -1490,6 +1495,11 @@ include_dir 'conf.d'
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useful for testing or if some component has issues working with a
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newer protocol.
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</para>
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<para>
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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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</para>
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</listitem>
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</varlistentry>
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@@ -1703,7 +1713,7 @@ include_dir 'conf.d'
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<xref linkend="guc-huge-pages"/>.
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The default is zero (<literal>0</literal>).
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When set to <literal>0</literal>, the default huge page size on the
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system will be used.
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system will be used. This parameter can only be set at server start.
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</para>
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<para>
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Some commonly available page sizes on modern 64 bit server architectures include:
@@ -1900,6 +1910,9 @@ include_dir 'conf.d'
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the value of <xref linkend="guc-maintenance-work-mem"/> should
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be used instead. The setting has no effect on the behavior of
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<command>VACUUM</command> when run in other contexts.
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This parameter can only be set in the
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<filename>postgresql.conf</filename> file or on the server command
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line.
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</para>
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</listitem>
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</varlistentry>
@@ -2029,7 +2042,8 @@ include_dir 'conf.d'
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the <varname>huge_pages</varname> setting on operating systems where
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that is supported, and may be more likely to benefit from larger pages
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on operating systems where that is managed automatically.
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The default value is <literal>0</literal> (none).
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The default value is <literal>0</literal> (none). This parameter can
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only be set at server start.
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</para>
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</listitem>
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</varlistentry>
@@ -4794,7 +4808,8 @@ ANY <replaceable class="parameter">num_sync</replaceable> ( <replaceable class="
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<varname>max_worker_processes</varname>.
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</para>
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<para>
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The default value is 4.
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The default value is 4. This parameter can only be set at server
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start.
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</para>
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</listitem>
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</varlistentry>
@@ -4819,7 +4834,9 @@ ANY <replaceable class="parameter">num_sync</replaceable> ( <replaceable class="
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<varname>max_logical_replication_workers</varname>.
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</para>
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<para>
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The default value is 2.
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The default value is 2. This parameter can only be set in the
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<filename>postgresql.conf</filename> file or on the server command
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line.
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</para>
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</listitem>
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</varlistentry>
@@ -9836,6 +9853,11 @@ dynamic_library_path = 'C:\tools\postgresql;H:\my_project\lib;$libdir'
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useful to disable the restart so that the clusterware can gain
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control and take any actions it deems appropriate.
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</para>
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<para>
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This parameter can only be set in the <filename>postgresql.conf</filename>
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file or on the server command line.
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</para>
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</listitem>
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</varlistentry>
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@@ -9853,6 +9875,11 @@ dynamic_library_path = 'C:\tools\postgresql;H:\my_project\lib;$libdir'
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retained and may be used for debugging, for example. Repeated crashes
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may however result in accumulation of useless files.
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</para>
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<para>
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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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</para>
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</listitem>
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</varlistentry>
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@@ -9921,6 +9948,9 @@ dynamic_library_path = 'C:\tools\postgresql;H:\my_project\lib;$libdir'
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<productname>PostgreSQL</productname>, and relevant error messages may
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appear only in kernel logs.
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</para>
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<para>
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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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‎src/backend/utils/misc/postgresql.conf.sample

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@@ -774,6 +774,7 @@
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# data?
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# (change requires restart)
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#recovery_init_sync_method = fsync# fsync, syncfs (Linux 5.8+)
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# (change requires restart)
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#------------------------------------------------------------------------------

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