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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">2015-04-06 15:39:34 +0900 (Mon, 06 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%86/92fc899b3f32e7fedcb8b2912a1f07cd1a9ad63c">92fc899b3f32e7fedcb8b2912a1f07cd1a9ad63c</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 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%86/92fc899b3f32e7fedcb8b2912a1f07cd1a9ad63c">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, "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: ノンストップでノードを追加する場面の検証手順.md (+15 -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, "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">@@ -203,19 +203,22 @@ <span class="diff-context" style="background-color: #ffffaa; color: #000000">serf="sudo -u droonga-engine -H /home/droonga-engine/droonga/serf"</span></span>
<span class="diff-not-changed" style="display: block; white-space: pre"> roleを変更</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">-$serf query -rpc-addr node1:7373 change_role '{"node":"node1:10031/droonga","role":"absorb-source"}'</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> $serf query -rpc-addr node2:7373 change_role '{"node":"node2:10031/droonga","role":"absorb-destination"}'</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-$serf members -rpc-addr node1:7373</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> $serf members -rpc-addr node2:7373</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+$serf query -rpc-addr node1:7373 add_replicas '{"cluster_id":"8951f1b01583c1ffeb12ed5f4093210d28955988","dataset":"Default","hosts":["node2"]}'</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+$serf query -rpc-addr node2:7373 join '{"node":"node2:10031/droonga","type":"replica","source":"node1:10031/droonga","dataset":"Default"}'</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> ~~~</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-この時点で、droonga-engine@node2のみがクラスタから切り離されている状態である。</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-droonga-http-server@node2は、接続先engineが存在しない(認識できていない)。</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-※よって、全てが完了した後でdroonga-http-serverからserfクラスタへの再joinが必要となるが、現在はその仕組みがないので、手動でのdroonga-http-serverver再起動などの作業が必要である。何か対策を考えないといけない。</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+これで、各ノードは同一クラスタで、且つ新ノードのみが機能していない状態になる。</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-~~~</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-$serf query -rpc-addr node1:7373 add_replicas '{"cluster_id":"8951f1b01583c1ffeb12ed5f4093210d28955988","dataset":"Default","hosts":["node2"]}'</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; 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-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+よって、全てが完了した後でdroonga-http-serverからserfクラスタへの再joinが必要となるが、現在はその仕組みがないので、手動でのdroonga-http-serverver再起動などの作業が必要である。何か対策を考えないといけない。</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+次に、コピー元ノードの更新を止める。</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">+~~~</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+$serf query -rpc-addr node1:7373 change_role '{"node":"node1:10031/droonga","role":"absorb-source"}'</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+$serf members -rpc-addr node1:7373</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> echo '{"dataset":"Default","type":"system.status"}' | droonga-request --host node1 --receiver-host node</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> 2</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> Elapsed time: 0.019290464</span>
<span class="diff-hunk-header" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre">@@ -240,19 +243,20 @@ <span class="diff-context" style="background-color: #ffffaa; color: #000000">Elapsed time: 0.019290464</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"> </span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-これで、node0/1からはnode2が見えるようになる。</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+データをコピーする。</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">-</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-$serf query -rpc-addr node2:7373 join '{"node":"node2:10031/droonga","type":"replica","source":"node1:10031/droonga","dataset":"Default"}'</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> $serf query -rpc-addr node2:7373 absorb_data '{"node":"node2:10031/droonga","source":"node1:10031/droonga","port":10031,"tag":"droonga","dataset":"Default","messages_per_second":100}'</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> $serf query -rpc-addr node2:7373 report_metadata '{"node":"node2:10031/droonga","key":"absorbing"}'</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 report_metadata '{"node":"node1:10031/droonga","key":"last_processed_message_timestamp"}'</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 set_metadata '{"node":"node2:10031/droonga","key":"last_processed_message_timestamp","value":"2015-03-24T04:36:09.423Z"}'</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+~~~</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+roleを戻す。</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">+~~~</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> $serf query -rpc-addr node1:7373 change_role '{"node":"node1:10031/droonga","role":null}'</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> $serf query -rpc-addr node2:7373 change_role '{"node":"node2:10031/droonga","role":null}'</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> ~~~</span>
</pre>
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