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* Do async I/O for faster random read-ahead of data Async I/O allows multiple I/O requests to be sent to the disk with results coming back asynchronously.>http://archives.postgresql.org/pgsql-performance/2007-09/msg00255.php

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`@@ -1,7 +1,7 @@`
`1`	`1`	`PostgreSQL TODO List`
`2`	`2`	`====================`
`3`	`3`	`Current maintainer:Bruce Momjian (bruce@momjian.us)`
`4`		`-Last updated:Wed Mar 1216:50:08 EDT 2008`
	`4`	`+Last updated:Wed Mar 1221:56:41 EDT 2008`
`5`	`5`
`6`	`6`	`The most recent version of this document can be viewed at`
`7`	`7`	`http://www.postgresql.org/docs/faqs.TODO.html.`
`@@ -1544,6 +1544,7 @@ Miscellaneous Performance`
`1544`	`1544`	`results coming back asynchronously.`
`1545`	`1545`
`1546`	`1546`	`http://archives.postgresql.org/pgsql-hackers/2006-10/msg00820.php`
	`1547`	`+ http://archives.postgresql.org/pgsql-performance/2007-09/msg00255.php`
`1547`	`1548`	`http://archives.postgresql.org/pgsql-hackers/2007-12/msg00027.php`
`1548`	`1549`
`1549`	`1550`	`* Use mmap() rather than SYSV shared memory or to write WAL files?`

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`8`	`8`	`<bodybgcolor="#FFFFFF"text="#000000"link="#FF0000"vlink="#A00000"alink="#0000FF">`
`9`	`9`	`<h1><aname="section_1">PostgreSQL TODO List</a></h1>`
`10`	`10`	`<p>Current maintainer: Bruce Momjian (<ahref="mailto:bruce@momjian.us">bruce@momjian.us</a>)<br/>`
`11`		`-Last updated: Wed Mar 1216:50:08 EDT 2008`
	`11`	`+Last updated: Wed Mar 1221:56:41 EDT 2008`
`12`	`12`	`</p>`
`13`	`13`	`<p>The most recent version of this document can be viewed at<br/>`
`14`	`14`	`<ahref="http://www.postgresql.org/docs/faqs.TODO.html">http://www.postgresql.org/docs/faqs.TODO.html</a>.`
`@@ -1342,6 +1342,7 @@ <h1><a name="section_21">Miscellaneous Performance</a></h1>`
`1342`	`1342`	`results coming back asynchronously.`
`1343`	`1343`	`</p>`
`1344`	`1344`	`<p><ahref="http://archives.postgresql.org/pgsql-hackers/2006-10/msg00820.php">http://archives.postgresql.org/pgsql-hackers/2006-10/msg00820.php</a>`
	`1345`	`+<ahref="http://archives.postgresql.org/pgsql-performance/2007-09/msg00255.php">http://archives.postgresql.org/pgsql-performance/2007-09/msg00255.php</a>`
`1345`	`1346`	`<ahref="http://archives.postgresql.org/pgsql-hackers/2007-12/msg00027.php">http://archives.postgresql.org/pgsql-hackers/2007-12/msg00027.php</a>`
`1346`	`1347`	`</p>`
`1347`	`1348`	`</li><li>Use mmap() rather than SYSV shared memory or to write WAL files?`

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