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initdb: Change default to using data checksums.

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Checksums are now on by default.  They can be disabled by the
previously added option --no-data-checksums.

Author: Greg Sabino Mullane <greg@turnstep.com>
Reviewed-by: Nathan Bossart <nathandbossart@gmail.com>
Reviewed-by: Peter Eisentraut <peter@eisentraut.org>
Reviewed-by: Daniel Gustafsson <daniel@yesql.se>
Discussion: https://www.postgresql.org/message-id/flat/CAKAnmmKwiMHik5AHmBEdf5vqzbOBbcwEPHo4-PioWeAbzwcTOQ@mail.gmail.com
This commit is contained in:
Peter Eisentraut
2024-10-16 08:45:09 +02:00
parent 67846550dc
commit 04bec894a0
3 changed files with 21 additions and 14 deletions
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15
doc/src/sgml/ref/initdb.sgml
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@ -265,8 +265,14 @@ PostgreSQL documentation
<term><option>--data-checksums</option></term>
<listitem>
<para>
Use checksums on data pages to help detect corruption by the
I/O system that would otherwise be silent. Enabling checksums
Use checksums on data pages to help detect corruption by the I/O
system that would otherwise be silent. This is enabled by default;
use <xref linkend="app-initdb-no-data-checksums"/> to disable
checksums.
</para>
<para>
Enabling checksums
might incur a small performance penalty. If set, checksums
are calculated for all objects, in all databases. All checksum
failures will be reported in the
@ -343,12 +349,11 @@ PostgreSQL documentation
</listitem>
</varlistentry>
<varlistentry id="app-initdb-no-data-checksums" xreflabel="no data checksums">
<varlistentry id="app-initdb-no-data-checksums">
<term><option>--no-data-checksums</option></term>
<listitem>
<para>
Do not enable data checksums. This can be used to override a
<option>--data-checksums</option> option.
Do not enable data checksums.
</para>
</listitem>
</varlistentry>