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pg_receivewal: Add --no-sync option.

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Michael Paquier, reviewed by Kuntal Ghosh and by me.  I did a little
wordsmithing on the documentation, too.

Discussion: http://postgr.es/m/CAB7nPqTuXuyEoVKcWcExh_b0uAjgWd_14KfGLrCTccBZ=VA0KA@mail.gmail.com
This commit is contained in:
Robert Haas
2017-10-29 12:46:55 +05:30
parent b7f3eb3140
commit 5f3971291f
3 changed files with 36 additions and 2 deletions
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17
doc/src/sgml/ref/pg_receivewal.sgml
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@ -135,6 +135,23 @@ PostgreSQL documentation
</listitem>
</varlistentry>
<varlistentry>
<term><option>--no-sync</option></term>
<listitem>
<para>
This option causes <command>pg_receivewal</command> to not force WAL
data to be flushed to disk. This is faster, but means that a
subsequent operating system crash can leave the WAL segments corrupt.
Generally, this option is useful for testing but should not be used
when doing WAL archiving on a production deployment.
</para>
<para>
This option is incompatible with <literal>--synchronous</literal>.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-s <replaceable class="parameter">interval</replaceable></option></term>
<term><option>--status-interval=<replaceable class="parameter">interval</replaceable></option></term>