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      <dt style="clear: both; float: left; font-weight: bold; width: 8em">Author</dt>
      <dd style="margin-left: 8.5em">YUKI &quot;Piro&quot; Hiroshi &lt;piro.****@gmail*****&gt;</dd>
      <dt style="clear: both; float: left; font-weight: bold; width: 8em">Date</dt>
      <dd style="margin-left: 8.5em">2015-04-08 14:00:03 +0900 (Wed, 08 Apr 2015)</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/%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%E5%A0%B4%E9%9D%A2%E3%81%AE%E6%A4%9C%E8%A8%BC%E6%89%8B%E9%A0%86/ddc4668be5a55836555ca0527927a00214b7ed1f">ddc4668be5a55836555ca0527927a00214b7ed1f</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, &quot;Liberation Mono&quot;, Courier, monospace; line-height: 1.2; padding: 0.5em; width: auto">Updated ノンストップでノードを追加する場面の検証手順 (markdown)</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/droonga/wikipedia-search/wiki/%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%E5%A0%B4%E9%9D%A2%E3%81%AE%E6%A4%9C%E8%A8%BC%E6%89%8B%E9%A0%86/ddc4668be5a55836555ca0527927a00214b7ed1f">ノンストップでノードを追加する場面の検証手順.md</a></li>
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<pre style="border: 0; font-family: Consolas, Menlo, &quot;Liberation Mono&quot;, 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: ノンストップでノードを追加する場面の検証手順.md (+12 -11)</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, &quot;Liberation Mono&quot;, 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">@@ -200,16 +200,17 @@ <span class="diff-context" style="background-color: #ffffaa; color: #000000">$SOURCE_SUDO service td-agent start</span></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=&quot;sudo -u droonga-engine -H /home/droonga-engine/droonga/serf&quot;</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+triple_logger() { for count in 0 1 2; do logger &quot;$1 ($count)&quot;; done; }</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"> まず新ノードをjoinさせる</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">-logger &quot;0: start join&quot;</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+triple_logger &quot;0: start join&quot;</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> $serf query -rpc-addr node2:7373 change_role '{&quot;node&quot;:&quot;node2:10031/droonga&quot;,&quot;role&quot;:&quot;absorb-destination&quot;}'</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-logger &quot;1: role of the joining node is changed&quot;</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+triple_logger &quot;1: role of the joining node is changed&quot;</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> $serf query -rpc-addr node2:7373 join '{&quot;node&quot;:&quot;node2:10031/droonga&quot;,&quot;type&quot;:&quot;replica&quot;,&quot;source&quot;:&quot;node1:10031/droonga&quot;,&quot;dataset&quot;:&quot;Default&quot;}'</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-logger &quot;2: other nodes are registered to the joining node&quot;</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+triple_logger &quot;2: other nodes are registered to the joining node&quot;</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"> この時点で、droonga-http-server@node2は、接続先engineが存在しない(認識できていない)。</span>
<span class="diff-hunk-header" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre">@@ -219,7 +220,7 @@ <span class="diff-context" style="background-color: #ffffaa; color: #000000">logger &quot;2: other nodes are registered to the joining node&quot;</span></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 query -rpc-addr node1:7373 add_replicas '{&quot;cluster_id&quot;:&quot;8951f1b01583c1ffeb12ed5f4093210d28955988&quot;,&quot;dataset&quot;:&quot;Default&quot;,&quot;hosts&quot;:[&quot;node2&quot;]}'</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-logger &quot;3: joining node is registered to other nodes&quot;</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+triple_logger &quot;3: joining node is registered to other nodes&quot;</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"> これで、各ノードは同一クラスタで、且つ新ノードのみが機能していない状態になる。</span>
<span class="diff-hunk-header" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre">@@ -229,24 +230,24 @@ <span class="diff-context" style="background-color: #ffffaa; color: #000000">logger &quot;3: joining node is registered to other nodes&quot;</span></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 query -rpc-addr node1:7373 change_role '{&quot;node&quot;:&quot;node1:10031/droonga&quot;,&quot;role&quot;:&quot;absorb-source&quot;}'</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-logger &quot;4: source node is deactivated&quot;</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+triple_logger &quot;4: source node is deactivated&quot;</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> $serf query -rpc-addr node2:7373 absorb_data '{&quot;node&quot;:&quot;node2:10031/droonga&quot;,&quot;source&quot;:&quot;node1:10031/droonga&quot;,&quot;port&quot;:10031,&quot;tag&quot;:&quot;droonga&quot;,&quot;dataset&quot;:&quot;Default&quot;,&quot;messages_per_second&quot;:100}'</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-logger &quot;5: data copying process is started&quot;</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+triple_logger &quot;5: data copying process is started&quot;</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> $serf query -rpc-addr node2:7373 report_metadata '{&quot;node&quot;:&quot;node2:10031/droonga&quot;,&quot;key&quot;:&quot;absorbing&quot;}'</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">-logger &quot;6: completely copied&quot;</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+triple_logger &quot;6: completely copied&quot;</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> $serf query -rpc-addr node1:7373 report_metadata '{&quot;node&quot;:&quot;node1:10031/droonga&quot;,&quot;key&quot;:&quot;last_processed_message_timestamp&quot;}'</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-logger &quot;7: checking last_processed_message_timestamp&quot;</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+triple_logger &quot;7: checking last_processed_message_timestamp&quot;</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 query -rpc-addr node2:7373 accept_messages_newer_than '{&quot;node&quot;:&quot;node2:10031/droonga&quot;,&quot;timestamp&quot;:&quot;2015-03-24T04:36:09.423Z&quot;}'</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-logger &quot;8: effective_message_timestamp is updated&quot;</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+triple_logger &quot;8: effective_message_timestamp is updated&quot;</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"> 最後に、roleを戻す。</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-not-changed" style="display: block; white-space: pre"> ~~~</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> $serf query -rpc-addr node1:7373 change_role '{&quot;node&quot;:&quot;node1:10031/droonga&quot;,&quot;role&quot;:null}'</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-logger &quot;9: source node is activated&quot;</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+triple_logger &quot;9: source node is activated&quot;</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> $serf query -rpc-addr node2:7373 change_role '{&quot;node&quot;:&quot;node2:10031/droonga&quot;,&quot;role&quot;:null}'</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-logger &quot;10: joining node is activated&quot;</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+triple_logger &quot;10: joining node is activated&quot;</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> ~~~</span>
</pre>
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