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< * Prevent long-lived temporary tables from causing frozen-Xid advancement > * Prevent long-lived temporary tables from causing frozen-xid advancement > > The problem is that autovacuum cannot vacuum them to set frozen xids; > only the session that created them can do that. > > >
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doc/TODO

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PostgreSQL TODO List
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====================
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Current maintainer: Bruce Momjian (bruce@momjian.us)
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Last updated: Mon Nov 19 19:18:31 EST 2007
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Last updated: Fri Nov 23 11:37:47 EST 2007
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The most recent version of this document can be viewed at
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http://www.postgresql.org/docs/faqs.TODO.html.
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http://archives.postgresql.org/pgsql-patches/2007-03/msg00358.php
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* -Reduce XID consumption of read-only queries
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* Prevent long-lived temporary tables from causing frozen-Xid advancement
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* Prevent long-lived temporary tables from causing frozen-xid advancement
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starvation
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The problem is that autovacuum cannot vacuum them to set frozen xids;
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only the session that created them can do that.
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* Auto-vacuum
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o Use free-space map information to guide refilling

doc/src/FAQ/TODO.html

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<body bgcolor="#FFFFFF" text="#000000" link="#FF0000" vlink="#A00000" alink="#0000FF">
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<h1><a name="section_1">PostgreSQL TODO List</a></h1>
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<p>Current maintainer: Bruce Momjian (<a href="mailto:bruce@momjian.us">bruce@momjian.us</a>)<br/>
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Last updated: Mon Nov 19 19:18:31 EST 2007
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Last updated: Fri Nov 23 11:37:47 EST 2007
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</p>
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<p>The most recent version of this document can be viewed at<br/>
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<a href="http://www.postgresql.org/docs/faqs.TODO.html">http://www.postgresql.org/docs/faqs.TODO.html</a>.
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<p> <a href="http://archives.postgresql.org/pgsql-patches/2007-03/msg00358.php">http://archives.postgresql.org/pgsql-patches/2007-03/msg00358.php</a>
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</p>
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</li><li>-<em>Reduce XID consumption of read-only queries</em>
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</li><li>Prevent long-lived temporary tables from causing frozen-Xid advancement
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</li><li>Prevent long-lived temporary tables from causing frozen-xid advancement
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starvation
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</li><li>Auto-vacuum
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</li></ul>
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<p> The problem is that autovacuum cannot vacuum them to set frozen xids;<br/>
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only the session that created them can do that.
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</p>
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<ul>
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<li>Auto-vacuum
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<ul>
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<li>Use free-space map information to guide refilling
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</li><li>%Issue log message to suggest VACUUM FULL if a table is nearly

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