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Doc: Review for "Optionally prefetch referenced data in recovery."
Typos, corrections and language improvements in the docs, and a few in code comments too. Reported-by: Justin Pryzby <pryzby@telsasoft.com> Discussion: https://postgr.es/m/20210409033703.GP6592%40telsasoft.com
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@ -3621,7 +3621,7 @@ include_dir 'conf.d'
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pool after that. However, on file systems with a block size larger
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than
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<productname>PostgreSQL</productname>'s, prefetching can avoid a
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costly read-before-write when a blocks are later written.
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costly read-before-write when blocks are later written.
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The default is off.
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</para>
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</listitem>
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@ -816,9 +816,7 @@
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prefetching mechanism is most likely to be effective on systems
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with <varname>full_page_writes</varname> set to
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<varname>off</varname> (where that is safe), and where the working
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set is larger than RAM. By default, prefetching in recovery is enabled
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on operating systems that have <function>posix_fadvise</function>
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support.
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set is larger than RAM. By default, prefetching in recovery is disabled.
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</para>
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</sect1>
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