rename-max-parallel-degree-docs-only.patch
text/x-diff
Filename: rename-max-parallel-degree-docs-only.patch
Type: text/x-diff
Part: 0
Message:
Re: Rename max_parallel_degree?
Patch
Same data as JSON:
GET /api/v1/attachments/:id/patch
the parsed metadata as JSON — format, series position, per-file stats; never the diff bytes.
API reference →
Format: unified
| File | + | − |
|---|---|---|
| doc/src/sgml/config.sgml | 0 | 0 |
| doc/src/sgml/ref/create_table.sgml | 0 | 0 |
| doc/src/sgml/release-9.6.sgml | 0 | 0 |
diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml
index 72b5920..fccde28 100644
*** a/doc/src/sgml/config.sgml
--- b/doc/src/sgml/config.sgml
*************** include_dir 'conf.d'
*** 1998,2019 ****
</listitem>
</varlistentry>
! <varlistentry id="guc-max-parallel-degree" xreflabel="max_parallel_degree">
! <term><varname>max_parallel_degree</varname> (<type>integer</type>)
<indexterm>
! <primary><varname>max_parallel_degree</> 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
! 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
! occurs, the plan will run with fewer workers than expected, which may
! be inefficient. The default value is 2. Setting this value to 0
! disables parallel query execution.
</para>
</listitem>
</varlistentry>
--- 1998,2020 ----
</listitem>
</varlistentry>
! <varlistentry id="guc-max-parallel-workers" xreflabel="max_parallel_workers">
! <term><varname>max_parallel_workers</varname> (<type>integer</type>)
<indexterm>
! <primary><varname>max_parallel_workers</> configuration parameter</primary>
</indexterm>
</term>
<listitem>
<para>
! Sets the maximum number of worker processes that can be used to
! assist an individual parallelizable operation. Parallel workers are
! taken from the cluster-wide pool of processes established by
! <xref linkend="guc-max-worker-processes">. Depending on the size of
! the pool and the number of other parallel queries active, the
! requested number of workers may not actually be available at runtime.
! If this occurs, the plan will run with fewer workers than expected,
! which may be inefficient. The default value is 2. Setting this
! value to 0 disables parallel query execution.
</para>
</listitem>
</varlistentry>
diff --git a/doc/src/sgml/ref/create_table.sgml b/doc/src/sgml/ref/create_table.sgml
index d1807ed..d73cf39 100644
*** a/doc/src/sgml/ref/create_table.sgml
--- b/doc/src/sgml/ref/create_table.sgml
*************** CREATE [ [ GLOBAL | LOCAL ] { TEMPORARY
*** 909,922 ****
</varlistentry>
<varlistentry>
! <term><literal>parallel_degree</> (<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">.
</para>
</listitem>
</varlistentry>
--- 909,923 ----
</varlistentry>
<varlistentry>
! <term><literal>parallel_workers</> (<type>integer</>)</term>
<listitem>
<para>
! This setting limits the number of parallel worker processes that should
! be used to assist a parallel scan of this table. If not set, the
! planner will select a value based on the relation size. The actual
! number of workers chosen by the planner may be less, for example
! because it is also constrained by
! <xref linkend="guc-max-parallel-workers">; it will not be more.
</para>
</listitem>
</varlistentry>
diff --git a/doc/src/sgml/release-9.6.sgml b/doc/src/sgml/release-9.6.sgml
index 38e1967..3d78b00 100644
*** a/doc/src/sgml/release-9.6.sgml
--- b/doc/src/sgml/release-9.6.sgml
***************
*** 153,159 ****
<para>
Use of parallel query execution can be controlled through the new
configuration parameters
! <xref linkend="guc-max-parallel-degree">,
<xref linkend="guc-force-parallel-mode">,
<xref linkend="guc-parallel-setup-cost">, and
<xref linkend="guc-parallel-tuple-cost">.
--- 153,159 ----
<para>
Use of parallel query execution can be controlled through the new
configuration parameters
! <xref linkend="guc-max-parallel-workers">,
<xref linkend="guc-force-parallel-mode">,
<xref linkend="guc-parallel-setup-cost">, and
<xref linkend="guc-parallel-tuple-cost">.