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doc: Improve references to term "FSM" in pageinspect and pgfreespacemap
Author: Dong Wook Lee Reviewed-by: Laurenz Albe Discussion: https://postgr.es/m/CAAcBya+=F=HaHxJ7tGjAM1r=A=+bDbimpsex8Vqrb4GjqFDYsQ@mail.gmail.com
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@@ -9,10 +9,10 @@
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<para>
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The <filename>pg_freespacemap</filename> module provides a means for examining the
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free space map (FSM). It provides a function called
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<function>pg_freespace</function>, or two overloaded functions, to be
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precise. The functions show the value recorded in the free space map for
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a given page, or for all pages in the relation.
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<link linkend="storage-fsm">free space map</link> (<acronym>FSM</acronym>).
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It provides a function called <function>pg_freespace</function>, or two
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overloaded functions, to be precise. The functions show the value recorded in
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the free space map for a given page, or for all pages in the relation.
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</para>
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<para>
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@@ -36,7 +36,7 @@
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<listitem>
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<para>
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Returns the amount of free space on the page of the relation, specified
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by <literal>blkno</literal>, according to the FSM.
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by <literal>blkno</literal>, according to the <acronym>FSM</acronym>.
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</para>
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</listitem>
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</varlistentry>
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@@ -50,7 +50,8 @@
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<listitem>
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<para>
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Displays the amount of free space on each page of the relation,
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according to the FSM. A set of <literal>(blkno bigint, avail int2)</literal>
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according to the <acronym>FSM</acronym>. A set of
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<literal>(blkno bigint, avail int2)</literal>
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tuples is returned, one tuple for each page in the relation.
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</para>
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</listitem>
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@@ -112,8 +113,8 @@ postgres=# SELECT * FROM pg_freespace('foo', 7);
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<para>
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Original version by Mark Kirkwood <email>markir@paradise.net.nz</email>.
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Rewritten in version 8.4 to suit new FSM implementation by Heikki
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Linnakangas <email>heikki@enterprisedb.com</email>
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Rewritten in version 8.4 to suit new <acronym>FSM</acronym> implementation
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by Heikki Linnakangas <email>heikki@enterprisedb.com</email>
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</para>
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</sect2>
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