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<dt style="clear: both; float: left; font-weight: bold; width: 8em">Author</dt>
<dd style="margin-left: 8.5em">Kouhei Sutou <kou****@clear*****></dd>
<dt style="clear: both; float: left; font-weight: bold; width: 8em">Date</dt>
<dd style="margin-left: 8.5em">2011-06-24 19:16:01 +0900 (Fri, 24 Jun 2011)</dd>
<dt style="clear: both; float: left; font-weight: bold; width: 8em">New Revision</dt>
<dd style="margin-left: 8.5em"><a href="https://github.com/mroonga/mroonga/commit/cf5f5afc4b54963a9a25a6e76cc47a64cfd8c833">cf5f5afc4b54963a9a25a6e76cc47a64cfd8c833</a></dd>
<dt style="clear: both; float: left; font-weight: bold; width: 8em">Log</dt>
<dd style="margin-left: 8.5em"><pre style="border: 1px solid #aaa; font-family: Consolas, Menlo, "Liberation Mono", Courier, monospace; line-height: 1.2; padding: 0.5em">[doc] unfill.</pre></dd>
<dt style="clear: both; float: left; font-weight: bold; width: 8em">Modified files</dt>
<dd style="margin-left: 8.5em">
<ul>
<li><a href="https://github.com/mroonga/mroonga/commit/cf5f5afc4b54963a9a25a6e76cc47a64cfd8c833#diff-0">doc/ja/source/userguide.rst</a></li>
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<pre style="border: 0; font-family: Consolas, Menlo, "Liberation Mono", Courier, monospace; line-height: 1.2; margin: 0; padding: 0.5em; white-space: normal"><span class="diff-header" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre"> Modified: doc/ja/source/userguide.rst (+6 -24)</span>
<span class="diff-header-mark" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre">===================================================================</span>
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<pre style="border: 0; font-family: Consolas, Menlo, "Liberation Mono", Courier, monospace; line-height: 1.2; margin: 0; padding: 0.5em; white-space: normal"><span class="diff-line-number-hunk-header" style="display: block; white-space: pre"><a href="https://github.com/mroonga/mroonga/commit/cf5f5afc4b54963a9a25a6e76cc47a64cfd8c833#L0L37">...</a></span>
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<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/mroonga/mroonga/commit/cf5f5afc4b54963a9a25a6e76cc47a64cfd8c833#L0L46">46</a></span>
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<pre style="border: 0; font-family: Consolas, Menlo, "Liberation Mono", Courier, monospace; line-height: 1.2; margin: 0; padding: 0.5em; white-space: normal"><span class="diff-hunk-header" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre">@@ -38,40 +38,22 @@ <span class="diff-context" style="background-color: #ffffaa; color: #000000">SHOW ENGINESコマンドでgroongaストレージエンジンがインストー</span></span>
<span class="diff-not-changed" style="display: block; white-space: pre"> 動作モード</span>
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<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-0.7からgroongaストレージエンジンは以下の2つの動作モードのど</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-ちらかで動作するようになりました。</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+0.7からgroongaストレージエンジンは以下の2つの動作モードのどちらかで動作するようになりました。</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-not-changed" style="display: block; white-space: pre"> * ストレージモード（0.6以前と同じ動作）</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> * ラッパーモード</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-ストレージモードでは、全文検索機能だけではなくデータストアも</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-含めてgroongaの機能を利用します。ストレージエンジンのすべての</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-機能をgroongaストレージエンジンで実現するため、groongaが得意</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-としている集計操作が高速である、 ``groonga`` コマンドで直接デー</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-タベースを操作できるという特長があります。</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+ストレージモードでは、全文検索機能だけではなくデータストアも含めてgroongaの機能を利用します。ストレージエンジンのすべての機能をgroongaストレージエンジンで実現するため、groongaが得意としている集計操作が高速である、 ``groonga`` コマンドで直接データベースを操作できるという特長があります。</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-ストレージモードの構成を図で表すと以下のようになります。</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-MyISAMやInnoDBなど既存のストレージエンジンの代わりに利用しま</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-す。</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+ストレージモードの構成を図で表すと以下のようになります。MyISAMやInnoDBなど既存のストレージエンジンの代わりに利用します。</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-not-changed" style="display: block; white-space: pre"> .. figure:: _static/images/storage-mode.png</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> :alt: ストレージモード</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-ラッパーモードでは全文検索機能のみgroongaの機能を利用し、デー</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-タストアはInnoDBなど既存のストレージエンジンを利用します。ラッ</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-パーモードを利用することにより、ストレージエンジンとして多く</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-の利用実績のあるInnoDBに全文検索エンジンとして実績のある</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-groongaを組み合わせて、高速な全文検索機能付きの信頼性のあるデー</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-タベースとして利用できるという特長があります。</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-ラッパーモードの構成を図で表すと以下のようになります。全文検</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-索関連の処理はgroongaストレージエンジンで処理し、それ以外の処</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-理はMyISAMやInnoDBなど既存のストレージエンジンを利用します。</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-SQLを処理するSQL Handlerと既存のストレージエンジンの間に位置</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-するため、すべてのデータが一度groongaストレージエンジンを通</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-ることになります。これを利用して、全文検索用のインデックス作</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-成などを透過的に行います。</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+ラッパーモードでは全文検索機能のみgroongaの機能を利用し、データストアはInnoDBなど既存のストレージエンジンを利用します。ラッパーモードを利用することにより、ストレージエンジンとして多くの利用実績のあるInnoDBに全文検索エンジンとして実績のあるgroongaを組み合わせて、高速な全文検索機能付きの信頼性のあるデータベースとして利用できるという特長があります。</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+ラッパーモードの構成を図で表すと以下のようになります。全文検索関連の処理はgroongaストレージエンジンで処理し、それ以外の処理はMyISAMやInnoDBなど既存のストレージエンジンを利用します。SQLを処理するSQL Handlerと既存のストレージエンジンの間に位置するため、すべてのデータが一度groongaストレージエンジンを通ることになります。これを利用して、全文検索用のインデックス作成などを透過的に行います。</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-not-changed" style="display: block; white-space: pre"> .. figure:: _static/images/wrapper-mode.png</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> :alt: ラッパーモード</span>
</pre>
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