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<div class="section" id="defrag">
<h1><span class="section-number">7.3.20. </span><code class="docutils literal notranslate"><span class="pre">defrag</span></code><a class="headerlink" href="#defrag" title="Permalink to this headline">¶</a></h1>
<div class="section" id="summary">
<h2><span class="section-number">7.3.20.1. </span>Summary<a class="headerlink" href="#summary" title="Permalink to this headline">¶</a></h2>
<p><code class="docutils literal notranslate"><span class="pre">defrag</span></code> command resolves fragmentation of specified objects.</p>
<p>Groonga組込コマンドの一つであるdefragについて説明します。組込コマンドは、groonga実行ファイルの引数、標準入力
、またはソケット経由でgroongaサーバにリクエストを送信することによって実行します。</p>
<p>defragは、対象となるオブジェクト(データベースか可変長サイズカラム)を指定し、オブジェクトのフラグメンテーショ
ンを解消します。</p>
</div>
<div class="section" id="syntax">
<h2><span class="section-number">7.3.20.2. </span>Syntax<a class="headerlink" href="#syntax" title="Permalink to this headline">¶</a></h2>
<div class="highlight-none notranslate"><div class="highlight"><pre><span></span>defrag objname threshold
</pre></div>
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<h2><span class="section-number">7.3.20.3. </span>Usage<a class="headerlink" href="#usage" title="Permalink to this headline">¶</a></h2>
<p>開いているデータベースのフラグメンテーションを解消する:</p>
<div class="highlight-none notranslate"><div class="highlight"><pre><span></span>defrag
[300]
</pre></div>
</div>
<p>テーブル名 Entry のカラム body のフラグメンテーションを解消する:</p>
<div class="highlight-none notranslate"><div class="highlight"><pre><span></span>defrag Entry.body
[30]
</pre></div>
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<div class="section" id="parameters">
<h2><span class="section-number">7.3.20.4. </span>Parameters<a class="headerlink" href="#parameters" title="Permalink to this headline">¶</a></h2>
<p><code class="docutils literal notranslate"><span class="pre">objname</span></code></p>
<blockquote>
<div><p>対象となるオブジェクト名を指定します。空の場合、開いているdbオブジェクトが対象となります。</p>
</div></blockquote>
</div>
<div class="section" id="return-value">
<h2><span class="section-number">7.3.20.5. </span>Return value<a class="headerlink" href="#return-value" title="Permalink to this headline">¶</a></h2>
<div class="highlight-none notranslate"><div class="highlight"><pre><span></span>[フラグメンテーション解消を実行したセグメントの数]
</pre></div>
</div>
<p><code class="docutils literal notranslate"><span class="pre">フラグメンテーション解消を実行したセグメントの数</span></code></p>
<blockquote>
<div><p>フラグメンテーション解消を実行したセグメントの数を返す。</p>
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<li><a class="reference internal" href="#">7.3.20. <code class="docutils literal notranslate"><span class="pre">defrag</span></code></a><ul>
<li><a class="reference internal" href="#summary">7.3.20.1. Summary</a></li>
<li><a class="reference internal" href="#syntax">7.3.20.2. Syntax</a></li>
<li><a class="reference internal" href="#usage">7.3.20.3. Usage</a></li>
<li><a class="reference internal" href="#parameters">7.3.20.4. Parameters</a></li>
<li><a class="reference internal" href="#return-value">7.3.20.5. Return value</a></li>
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