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Commitba2b2a2

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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 Nov19 19:18:31 EST 2007
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Last updated:Fri Nov23 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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<bodybgcolor="#FFFFFF"text="#000000"link="#FF0000"vlink="#A00000"alink="#0000FF">
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<h1><aname="section_1">PostgreSQL TODO List</a></h1>
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<p>Current maintainer: Bruce Momjian (<ahref="mailto:bruce@momjian.us">bruce@momjian.us</a>)<br/>
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Last updated:Mon Nov19 19:18:31 EST 2007
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Last updated:Fri Nov23 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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<ahref="http://www.postgresql.org/docs/faqs.TODO.html">http://www.postgresql.org/docs/faqs.TODO.html</a>.
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<p><ahref="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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