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      <dt style="clear: both; float: left; font-weight: bold; width: 8em">Author</dt>
      <dd style="margin-left: 8.5em">YUKI Hiroshi &lt;shimo****@clear*****&gt;</dd>
      <dt style="clear: both; float: left; font-weight: bold; width: 8em">Date</dt>
      <dd style="margin-left: 8.5em">2015-04-29 23:07:25 +0900 (Wed, 29 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/droonga.org/commit/c0d0061384480a10240c5e3eb5773099cf94936d">c0d0061384480a10240c5e3eb5773099cf94936d</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">Add steps to confirm equivalence of replicas</pre></dd>
      <dt style="clear: both; float: left; font-weight: bold; width: 8em">Modified files</dt>
      <dd style="margin-left: 8.5em">
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          <li><a href="https://github.com/droonga/droonga.org/commit/c0d0061384480a10240c5e3eb5773099cf94936d#diff-0">tutorial/1.1.0/add-replica/index.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: tutorial/1.1.0/add-replica/index.md (+21 -0)</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-line-number-hunk-header" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga.org/commit/c0d0061384480a10240c5e3eb5773099cf94936d#L0L211">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga.org/commit/c0d0061384480a10240c5e3eb5773099cf94936d#L0L212">212</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga.org/commit/c0d0061384480a10240c5e3eb5773099cf94936d#L0L213">213</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga.org/commit/c0d0061384480a10240c5e3eb5773099cf94936d#L0L214">214</a></span>
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<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga.org/commit/c0d0061384480a10240c5e3eb5773099cf94936d#L0L215">215</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga.org/commit/c0d0061384480a10240c5e3eb5773099cf94936d#L0L216">216</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga.org/commit/c0d0061384480a10240c5e3eb5773099cf94936d#L0L217">217</a></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-line-number-hunk-header" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga.org/commit/c0d0061384480a10240c5e3eb5773099cf94936d#L0R211">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga.org/commit/c0d0061384480a10240c5e3eb5773099cf94936d#L0R212">212</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga.org/commit/c0d0061384480a10240c5e3eb5773099cf94936d#L0R213">213</a></span>
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<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/droonga/droonga.org/commit/c0d0061384480a10240c5e3eb5773099cf94936d#L0R234">234</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/droonga/droonga.org/commit/c0d0061384480a10240c5e3eb5773099cf94936d#L0R235">235</a></span>
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<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga.org/commit/c0d0061384480a10240c5e3eb5773099cf94936d#L0R238">238</a></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">@@ -212,6 +212,27 @@ <span class="diff-context" style="background-color: #ffffaa; color: #000000">$ curl &quot;http://node0:10041/droonga/system/status&quot; | jq &quot;.&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"> Because the new node `node2` has become a member of the cluster, `droonga-http-server` on each node distributes messages to `node2` also automatically.</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">+Equivalence of all replicas can be confirmed with the command `system.statistics.object.count.per-volume`, like:</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">+(on node0)</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+$ curl &quot;http://node0:10041/droonga/system/statistics/object/count/per-volume?output\[\]=total&quot; | jq &quot;.&quot;</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">+  &quot;node0:10031/droonga.000&quot;: {</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+    &quot;total&quot;: 540</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">+  &quot;node1:10031/droonga.000&quot;: {</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+    &quot;total&quot;: 540</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">+  &quot;node2:10031/droonga.000&quot;: {</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+    &quot;total&quot;: 540</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">+~~~</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">+Those numbers indicates how many objects are stored in each node.</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+Because all values are same, they replicas are equal to each other.</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-not-changed" style="display: block; white-space: pre"> ## Remove an existing replica node from an existing cluster</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
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