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<dt style="clear: both; float: left; font-weight: bold; width: 8em">Author</dt>
<dd style="margin-left: 8.5em">YUKI "Piro" Hiroshi <piro.****@gmail*****></dd>
<dt style="clear: both; float: left; font-weight: bold; width: 8em">Date</dt>
<dd style="margin-left: 8.5em">2014-06-26 17:50:00 +0900 (Thu, 26 Jun 2014)</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/droonga/wikipedia-search/wiki/Droonga%E3%82%AF%E3%83%A9%E3%82%B9%E3%82%BF%E3%81%AB%E3%83%8E%E3%83%B3%E3%82%B9%E3%83%88%E3%83%83%E3%83%97%E3%81%A7%E3%83%8E%E3%83%BC%E3%83%89%E3%82%92%E8%BF%BD%E5%8A%A0%E3%81%99%E3%82%8B%E6%89%8B%E9%A0%86/6f901c41c1dd6ea946042b3d3aba3c2e541e1ad4">6f901c41c1dd6ea946042b3d3aba3c2e541e1ad4</a></dd>
<dt style="clear: both; float: left; font-weight: bold; width: 8em">Message</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; width: auto">Updated Droongaクラスタにノンストップでノードを追加する手順 (markdown)</pre></dd>
<dt style="clear: both; float: left; font-weight: bold; width: 8em">Modified files</dt>
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<li><a href="https://github.com/droonga/wikipedia-search/wiki/Droonga%E3%82%AF%E3%83%A9%E3%82%B9%E3%82%BF%E3%81%AB%E3%83%8E%E3%83%B3%E3%82%B9%E3%83%88%E3%83%83%E3%83%97%E3%81%A7%E3%83%8E%E3%83%BC%E3%83%89%E3%82%92%E8%BF%BD%E5%8A%A0%E3%81%99%E3%82%8B%E6%89%8B%E9%A0%86/6f901c41c1dd6ea946042b3d3aba3c2e541e1ad4">Droongaクラスタにノンストップでノードを追加する手順.md</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; width: auto"><span class="diff-header" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre"> Modified: Droongaクラスタにノンストップでノードを追加する手順.md (+4 -5)</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; width: auto"><span class="diff-hunk-header" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre">@@ -22,24 +22,23 @@</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-not-changed" style="display: block; white-space: pre"> ノンストップでもストップ有りでも必要な機能:</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">- * graceful restart:古いプロセスは、新たなメッセージの受け取りは締め切るが、その時点までに受け取っていたメッセージについてはすべて処理を完了させてから、完全にプロセスを終了する。新しいプロセスは、すぐにメッセージの受け取りと処理を始める。</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+ * graceful restart:古いプロセスは、新たなメッセージの受け取りは締め切るが、その時点までに受け取っていたメッセージについてはすべて処理を完了させてから、完全にプロセスを終了する。新しいプロセスは、すぐにメッセージの受け取りと処理を始める。→現在は可能。</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> * droonga-replicate コマンド</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> * droonga-requestのstdin対応 →これは既に可能。</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-not-changed" style="display: block; white-space: pre"> ノンストップでの追加のために必要な機能:</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">- * graceful stop:新たなメッセージの受け取りは締め切るが、その時点までに受け取っていたメッセージについてはすべて処理を完了させてから、完全にプロセスを終了する。</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+ * graceful stop:新たなメッセージの受け取りは締め切るが、その時点までに受け取っていたメッセージについてはすべて処理を完了させてから、完全にプロセスを終了する。→現在は可能。</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> * last message time保持、graceful stop後に出力</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> * effective message time保持、セット</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">- * バッファ機能</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+ * バッファ機能→可能となっているはず。</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-not-changed" style="display: block; white-space: pre"> ### Serfによる死活管理</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-not-changed" style="display: block; white-space: pre"> serfを利用したクラスタの死活監視の仕組みについて、以下の挙動になるよう変更を行っておく。</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">- * serfの各ノードは、タグ情報として「自分が属しているクラスタ」の情報(全ノードの名前を連結した文字列、またはそのハッシュ値)を持つ。</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">- * `sert members` の結果のうち、状態が「live」で且つタグ情報に含まれている所属クラスタの情報が自分と一致するノードだけを、「生存しているノード」と判断する。</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+ * serfの各ノードは、change_portイベントまたはクエリを受信すると、serfのポート番号を変更する。(これは、live nodesが認識される先のクラスタを分けるため。)</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-not-changed" style="display: block; white-space: pre"> ### catalog.jsonの更新</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
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