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	<title>hadoop fs -count -q &#8211; 编码无悔 /  Intent &amp; Focused</title>
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		<title>如何查看指定的Hadoop(HDFS)目录的配额</title>
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		<dc:creator><![CDATA[learnhard]]></dc:creator>
		<pubDate>Thu, 11 May 2023 09:12:49 +0000</pubDate>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[综合]]></category>
		<category><![CDATA[hadoop fs -count -q]]></category>
		<category><![CDATA[Hadoop目录配额]]></category>
		<category><![CDATA[HDFS目录配额]]></category>
		<guid isPermaLink="false">https://www.codelast.com/?p=13908</guid>

					<description><![CDATA[<p style="font-size: 16px; line-height: inherit; margin: 0px 0px 16px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-variant-alternates: inherit; font-stretch: inherit; font-family: system-ui, -apple-system, BlinkMacSystemFont, &#34;Segoe UI&#34;, Roboto, &#34;Helvetica Neue&#34;, Arial, &#34;Noto Sans&#34;, sans-serif, &#34;Apple Color Emoji&#34;, &#34;Segoe UI Emoji&#34;, &#34;Segoe UI Symbol&#34;, &#34;Noto Color Emoji&#34;; font-optical-sizing: inherit; font-kerning: inherit; font-feature-settings: inherit; font-variation-settings: inherit; vertical-align: baseline; color: rgb(17, 24, 39);">
	Hadoop目录的配额是指为了限制一个HDFS文件夹中所包含的数据块和名称空间元素（如子文件夹和文件）的数量而设置的最大值。简单来说，就是对一个文件夹中可存储数据的上限进行管理和控制，以便于维护整个系统的健康和性能。</p>
<p style="font-size: 16px; line-height: inherit; margin: 0px 0px 16px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-variant-alternates: inherit; font-stretch: inherit; font-family: system-ui, -apple-system, BlinkMacSystemFont, &#34;Segoe UI&#34;, Roboto, &#34;Helvetica Neue&#34;, Arial, &#34;Noto Sans&#34;, sans-serif, &#34;Apple Color Emoji&#34;, &#34;Segoe UI Emoji&#34;, &#34;Segoe UI Symbol&#34;, &#34;Noto Color Emoji&#34;; font-optical-sizing: inherit; font-kerning: inherit; font-feature-settings: inherit; font-variation-settings: inherit; vertical-align: baseline; color: rgb(17, 24, 39);">
	通过设置适当的配额，管理员可以确保每个目录不会超出其可承受的容量范围，防止集群资源被长时间占用或滥用。同时也可以通过监视使用情况来优化系统性能并减少故障风险。</p>
<p><span id="more-13908"></span></p>
<p>
	使用 <span style="color:#ff0000;">hadoop fs -count -q&#160;</span><span style="color:#0000ff;">&#60;your_hdfs_dir&#62;</span> 命令可以查看指定目录的配额，该命令输出有八列，以下是每列的含义：</p>
<ul>
<li>
		QUOTA：文件和目录的总数限制</li>
<li>
		REMAINING_QUOTA：该用户可以创建的剩余文件和目录总数</li>
<li>
		SPACE_QUOTA：授予该用户的空间配额</li>
<li>
		REMAINING_SPACE_QUOTA：该用户剩余的空间配额</li>
<li>
		DIR_COUNT：当前目录总数</li>
<li>
		FILE_COUNT：当前文件总数</li>
<li>
		CONTENT_SIZE：当前文件大小</li>
<li>
		PATH_NAME：目录路径</li>
</ul>
<p></p>
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										<content:encoded><![CDATA[<p style="font-size: 16px; line-height: inherit; margin: 0px 0px 16px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-variant-alternates: inherit; font-stretch: inherit; font-family: system-ui, -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, &quot;Helvetica Neue&quot;, Arial, &quot;Noto Sans&quot;, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Symbol&quot;, &quot;Noto Color Emoji&quot;; font-optical-sizing: inherit; font-kerning: inherit; font-feature-settings: inherit; font-variation-settings: inherit; vertical-align: baseline; color: rgb(17, 24, 39);">
	Hadoop目录的配额是指为了限制一个HDFS文件夹中所包含的数据块和名称空间元素（如子文件夹和文件）的数量而设置的最大值。简单来说，就是对一个文件夹中可存储数据的上限进行管理和控制，以便于维护整个系统的健康和性能。</p>
<p style="font-size: 16px; line-height: inherit; margin: 0px 0px 16px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-variant-alternates: inherit; font-stretch: inherit; font-family: system-ui, -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, &quot;Helvetica Neue&quot;, Arial, &quot;Noto Sans&quot;, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Symbol&quot;, &quot;Noto Color Emoji&quot;; font-optical-sizing: inherit; font-kerning: inherit; font-feature-settings: inherit; font-variation-settings: inherit; vertical-align: baseline; color: rgb(17, 24, 39);">
	通过设置适当的配额，管理员可以确保每个目录不会超出其可承受的容量范围，防止集群资源被长时间占用或滥用。同时也可以通过监视使用情况来优化系统性能并减少故障风险。</p>
<p><span id="more-13908"></span></p>
<p>
	使用 <span style="color:#ff0000;">hadoop fs -count -q&nbsp;</span><span style="color:#0000ff;">&lt;your_hdfs_dir&gt;</span> 命令可以查看指定目录的配额，该命令输出有八列，以下是每列的含义：</p>
<ul>
<li>
		QUOTA：文件和目录的总数限制</li>
<li>
		REMAINING_QUOTA：该用户可以创建的剩余文件和目录总数</li>
<li>
		SPACE_QUOTA：授予该用户的空间配额</li>
<li>
		REMAINING_SPACE_QUOTA：该用户剩余的空间配额</li>
<li>
		DIR_COUNT：当前目录总数</li>
<li>
		FILE_COUNT：当前文件总数</li>
<li>
		CONTENT_SIZE：当前文件大小</li>
<li>
		PATH_NAME：目录路径</li>
</ul>
<p></p>
<p>
	<span style="color: rgb(255, 255, 255);">文章来源：</span><a href="https://www.codelast.com/" rel="noopener noreferrer" target="_blank"><span style="color: rgb(255, 255, 255);">https://www.codelast.com/</span></a><br />
	<span style="color: rgb(255, 0, 0);">➤➤</span>&nbsp;版权声明&nbsp;<span style="color: rgb(255, 0, 0);">➤➤</span>&nbsp;<br />
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	以及我的微信视频号：</p>
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