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-rw-r--r--doc/src/sgml/config.sgml38
-rw-r--r--src/backend/utils/misc/postgresql.conf.sample1
2 files changed, 35 insertions, 4 deletions
diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml
index 7e32b0686c6..67a0e997bb2 100644
--- a/doc/src/sgml/config.sgml
+++ b/doc/src/sgml/config.sgml
@@ -1472,6 +1472,11 @@ include_dir 'conf.d'
The default is <literal>TLSv1.2</literal>, which satisfies industry
best practices as of this writing.
</para>
+
+ <para>
+ This parameter can only be set in the <filename>postgresql.conf</filename>
+ file or on the server command line.
+ </para>
</listitem>
</varlistentry>
@@ -1490,6 +1495,11 @@ include_dir 'conf.d'
useful for testing or if some component has issues working with a
newer protocol.
</para>
+
+ <para>
+ This parameter can only be set in the <filename>postgresql.conf</filename>
+ file or on the server command line.
+ </para>
</listitem>
</varlistentry>
@@ -1703,7 +1713,7 @@ include_dir 'conf.d'
<xref linkend="guc-huge-pages"/>.
The default is zero (<literal>0</literal>).
When set to <literal>0</literal>, the default huge page size on the
- system will be used.
+ system will be used. This parameter can only be set at server start.
</para>
<para>
Some commonly available page sizes on modern 64 bit server architectures include:
@@ -1900,6 +1910,9 @@ include_dir 'conf.d'
the value of <xref linkend="guc-maintenance-work-mem"/> should
be used instead. The setting has no effect on the behavior of
<command>VACUUM</command> when run in other contexts.
+ This parameter can only be set in the
+ <filename>postgresql.conf</filename> file or on the server command
+ line.
</para>
</listitem>
</varlistentry>
@@ -2029,7 +2042,8 @@ include_dir 'conf.d'
the <varname>huge_pages</varname> setting on operating systems where
that is supported, and may be more likely to benefit from larger pages
on operating systems where that is managed automatically.
- The default value is <literal>0</literal> (none).
+ The default value is <literal>0</literal> (none). This parameter can
+ only be set at server start.
</para>
</listitem>
</varlistentry>
@@ -4794,7 +4808,8 @@ ANY <replaceable class="parameter">num_sync</replaceable> ( <replaceable class="
<varname>max_worker_processes</varname>.
</para>
<para>
- The default value is 4.
+ The default value is 4. This parameter can only be set at server
+ start.
</para>
</listitem>
</varlistentry>
@@ -4819,7 +4834,9 @@ ANY <replaceable class="parameter">num_sync</replaceable> ( <replaceable class="
<varname>max_logical_replication_workers</varname>.
</para>
<para>
- The default value is 2.
+ The default value is 2. This parameter can only be set in the
+ <filename>postgresql.conf</filename> file or on the server command
+ line.
</para>
</listitem>
</varlistentry>
@@ -9836,6 +9853,11 @@ dynamic_library_path = 'C:\tools\postgresql;H:\my_project\lib;$libdir'
useful to disable the restart so that the clusterware can gain
control and take any actions it deems appropriate.
</para>
+
+ <para>
+ This parameter can only be set in the <filename>postgresql.conf</filename>
+ file or on the server command line.
+ </para>
</listitem>
</varlistentry>
@@ -9853,6 +9875,11 @@ dynamic_library_path = 'C:\tools\postgresql;H:\my_project\lib;$libdir'
retained and may be used for debugging, for example. Repeated crashes
may however result in accumulation of useless files.
</para>
+
+ <para>
+ This parameter can only be set in the <filename>postgresql.conf</filename>
+ file or on the server command line.
+ </para>
</listitem>
</varlistentry>
@@ -9921,6 +9948,9 @@ dynamic_library_path = 'C:\tools\postgresql;H:\my_project\lib;$libdir'
<productname>PostgreSQL</productname>, and relevant error messages may
appear only in kernel logs.
</para>
+ <para>
+ This parameter can only be set at server start.
+ </para>
</listitem>
</varlistentry>
diff --git a/src/backend/utils/misc/postgresql.conf.sample b/src/backend/utils/misc/postgresql.conf.sample
index 9c4c4a9eec3..ddbb6dc2be2 100644
--- a/src/backend/utils/misc/postgresql.conf.sample
+++ b/src/backend/utils/misc/postgresql.conf.sample
@@ -774,6 +774,7 @@
# data?
# (change requires restart)
#recovery_init_sync_method = fsync # fsync, syncfs (Linux 5.8+)
+ # (change requires restart)
#------------------------------------------------------------------------------