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-rw-r--r--doc/src/sgml/config.sgml10
-rw-r--r--doc/src/sgml/ref/create_table.sgml12
-rw-r--r--doc/src/sgml/release-9.6.sgml2
3 files changed, 12 insertions, 12 deletions
diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml
index 50f6d4ea7fd..4f93e7062dd 100644
--- a/doc/src/sgml/config.sgml
+++ b/doc/src/sgml/config.sgml
@@ -1998,16 +1998,16 @@ include_dir 'conf.d'
</listitem>
</varlistentry>
- <varlistentry id="guc-max-parallel-degree" xreflabel="max_parallel_degree">
- <term><varname>max_parallel_degree</varname> (<type>integer</type>)
+ <varlistentry id="guc-max-parallel-workers-per-gather" xreflabel="max_parallel_workers_per_gather">
+ <term><varname>max_parallel_workers_per_gather</varname> (<type>integer</type>)
<indexterm>
- <primary><varname>max_parallel_degree</> configuration parameter</primary>
+ <primary><varname>max_parallel_workers_per_gather</> configuration parameter</primary>
</indexterm>
</term>
<listitem>
<para>
- Sets the maximum number of workers that can be started for an
- individual parallel operation. Parallel workers are taken from the
+ Sets the maximum number of workers that can be started by a single
+ <literal>Gather</literal> node. Parallel workers are taken from the
pool of processes established by
<xref linkend="guc-max-worker-processes">. Note that the requested
number of workers may not actually be available at runtime. If this
diff --git a/doc/src/sgml/ref/create_table.sgml b/doc/src/sgml/ref/create_table.sgml
index d1807ed0dbf..06e6392f737 100644
--- a/doc/src/sgml/ref/create_table.sgml
+++ b/doc/src/sgml/ref/create_table.sgml
@@ -909,14 +909,14 @@ CREATE [ [ GLOBAL | LOCAL ] { TEMPORARY | TEMP } | UNLOGGED ] TABLE [ IF NOT EXI
</varlistentry>
<varlistentry>
- <term><literal>parallel_degree</> (<type>integer</>)</term>
+ <term><literal>parallel_workers</> (<type>integer</>)</term>
<listitem>
<para>
- The parallel degree for a table is the number of workers that should
- be used to assist a parallel scan of that table. If not set, the
- system will determine a value based on the relation size. The actual
- number of workers chosen by the planner may be less, for example due to
- the setting of <xref linkend="guc-max-parallel-degree">.
+ This sets the number of workers that should be used to assist a parallel
+ scan of this table. If not set, the system will determine a value based
+ on the relation size. The actual number of workers chosen by the planner
+ may be less, for example due to
+ the setting of <xref linkend="guc-max-worker-processes">.
</para>
</listitem>
</varlistentry>
diff --git a/doc/src/sgml/release-9.6.sgml b/doc/src/sgml/release-9.6.sgml
index 38e19672495..a14545d5d80 100644
--- a/doc/src/sgml/release-9.6.sgml
+++ b/doc/src/sgml/release-9.6.sgml
@@ -153,7 +153,7 @@
<para>
Use of parallel query execution can be controlled through the new
configuration parameters
- <xref linkend="guc-max-parallel-degree">,
+ <xref linkend="guc-max-parallel-workers-per-gather">,
<xref linkend="guc-force-parallel-mode">,
<xref linkend="guc-parallel-setup-cost">, and
<xref linkend="guc-parallel-tuple-cost">.