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Remove dynamic_shared_memory_type=none

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PostgreSQL nowadays offers some kind of dynamic shared memory feature on
all supported platforms.  Having the choice of "none" prevents us from
relying on DSM in core features.  So this patch removes the choice of
"none".

Author: Kyotaro Horiguchi <horiguchi.kyotaro@lab.ntt.co.jp>
This commit is contained in:
Peter Eisentraut
2018-07-10 17:37:42 +02:00
parent 17b715c634
commit bcbd940806
9 changed files with 17 additions and 48 deletions
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8
doc/src/sgml/parallel.sgml
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@@ -124,14 +124,6 @@ EXPLAIN SELECT * FROM pgbench_accounts WHERE filler LIKE '%x%';
configured via <varname>max_parallel_workers_per_gather</varname>.
</para>
</listitem>
<listitem>
<para>
<xref linkend="guc-dynamic-shared-memory-type"/> must be set to a
value other than <literal>none</literal>. Parallel query requires dynamic
shared memory in order to pass data between cooperating processes.
</para>
</listitem>
</itemizedlist>
<para>