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	<title>HDFS - 四号程序员</title>
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		<title>Hive中找出Table和Partition的真实路径。</title>
		<link>https://www.coder4.com/archives/4272</link>
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		<pubDate>Tue, 05 Aug 2014 09:14:11 +0000</pubDate>
				<category><![CDATA[大数据技术]]></category>
		<category><![CDATA[Hadoop]]></category>
		<category><![CDATA[HDFS]]></category>
		<category><![CDATA[Hive]]></category>
		<category><![CDATA[partition]]></category>
		<category><![CDATA[table]]></category>
		<category><![CDATA[路径]]></category>
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					<description><![CDATA[在Hive中，如果使用了External Table或者Partition，那么路径是不在自己的hive warehouse下的。 -- 获取table的真实hdfs路径 desc formatted my_table; -- 获取partition的真实hdfs路径 desc formatted my_table (pt='20140804'); &#160;[......] 继续阅读]]></description>
		
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		<title>HDFS的Java接口</title>
		<link>https://www.coder4.com/archives/2028</link>
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		<dc:creator><![CDATA[coder4]]></dc:creator>
		<pubDate>Sun, 07 Aug 2011 12:06:38 +0000</pubDate>
				<category><![CDATA[Java]]></category>
		<category><![CDATA[大数据技术]]></category>
		<category><![CDATA[API]]></category>
		<category><![CDATA[HDFS]]></category>
		<category><![CDATA[Java && J2EE]]></category>
		<category><![CDATA[接口]]></category>
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					<description><![CDATA[至少有两种方法： 1、java.net.URL 把解析 " hdfs://localhost:9000:/user/liheyuan/xxx " 这种HDFS URL的解析器加到java.net.URL中，然后用传统Java的URL相关接口搞定。 import java.io.InputStream; import java.net.URL; import org.apache.hadoop.fs.FsUrlStreamHandlerFactory; import org.apa[......] 继续阅读]]></description>
		
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