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	<title>Comments on: AUL并行扫描Extent</title>
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	<description>Oracle DBA,MySQL DBA, 数据恢复, 数据迁移, 报表软件, 性能优化, 系统监控</description>
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		<title>By: anysql</title>
		<link>http://www.anysql.net/aulmydul/aul_parallel_scan_extent.html/comment-page-1#comment-1846</link>
		<dc:creator>anysql</dc:creator>
		<pubDate>Sun, 28 Dec 2008 21:31:34 +0000</pubDate>
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		<description>改变了SCAN TABLE的算法，以更适应大数据库的恢复
在SCAN EXTENT后15秒
AUL&gt; scan table to scan_table_ext.log
2008-12-28 14:25:58
2008-12-28 14:26:13
没有SCAN EXTENT时97秒
AUL&gt; scan table to scan_table_noext.log
2008-12-28 14:26:59
2008-12-28 14:28:36
Linux/Unix下的并行扫描已经实现
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		<content:encoded><![CDATA[<p>改变了SCAN TABLE的算法，以更适应大数据库的恢复<br />
在SCAN EXTENT后15秒<br />
AUL> scan table to scan_table_ext.log<br />
2008-12-28 14:25:58<br />
2008-12-28 14:26:13<br />
没有SCAN EXTENT时97秒<br />
AUL> scan table to scan_table_noext.log<br />
2008-12-28 14:26:59<br />
2008-12-28 14:28:36<br />
Linux/Unix下的并行扫描已经实现</p>
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