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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">2014-06-26 15:52:11 +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/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0">c2542a80374d9d549b799987b33eb72ca45c94a0</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">Revert &quot;Set cluster id as a serf tag&quot;

This reverts commit 464c89d06eace8c45b2924b09907275a421f0da7.</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/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#diff-0">lib/droonga/engine.rb</a></li>
          <li><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#diff-1">lib/droonga/engine_state.rb</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: lib/droonga/engine.rb (+0 -4)</span>
<span class="diff-header-mark" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre">===================================================================</span>
</pre>
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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-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L0L32">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L0L33">33</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L0L34">34</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L0L35">35</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L0L36">36</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L0L37">37</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L0L38">38</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L0L39">39</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L0L40">40</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L0L41">41</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L0L42">42</a></span>
</pre>
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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-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L0R32">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L0R33">33</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L0R34">34</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L0R35">35</a></span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre">&nbsp;</span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre">&nbsp;</span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre">&nbsp;</span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre">&nbsp;</span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L0R36">36</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L0R37">37</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L0R38">38</a></span>
</pre>
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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">@@ -33,10 +33,6 @@ <span class="diff-context" style="background-color: #ffffaa; color: #000000">module Droonga</span></span>
<span class="diff-not-changed" style="display: block; white-space: pre">       @state = EngineState.new(loop, name, internal_name)</span>
<span class="diff-not-changed" style="display: block; white-space: pre">       @catalog = load_catalog</span>
<span class="diff-not-changed" style="display: block; white-space: pre">       @state.catalog = @catalog</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 = Serf.new(loop, name)</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-      serf.set_tag(&quot;cluster_id&quot;, @state.cluster_id)</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">       @dispatcher = create_dispatcher</span>
<span class="diff-not-changed" style="display: block; white-space: pre">       @nodes_status_observer = FileObserver.new(loop, Path.nodes_status)</span>
<span class="diff-not-changed" style="display: block; white-space: pre">       @nodes_status_observer.on_change = lambda do</span>
</pre>
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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: lib/droonga/engine_state.rb (+0 -9)</span>
<span class="diff-header-mark" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre">===================================================================</span>
</pre>
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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-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1L15">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1L16">16</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1L17">17</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1L18">18</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1L19">19</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1L20">20</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1L21">21</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1L22">22</a></span>
<span class="diff-line-number-hunk-header" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1L116">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1L117">117</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1L118">118</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1L119">119</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1L120">120</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1L121">121</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1L122">122</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1L123">123</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1L124">124</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1L125">125</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1L126">126</a></span>
<span class="diff-line-number-hunk-header" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1L127">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1L128">128</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1L129">129</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1L130">130</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1L131">131</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1L132">132</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1L133">133</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1L134">134</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1L135">135</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1L136">136</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1L137">137</a></span>
</pre>
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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-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1R15">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1R16">16</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1R17">17</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1R18">18</a></span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre">&nbsp;</span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1R19">19</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1R20">20</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1R21">21</a></span>
<span class="diff-line-number-hunk-header" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1R115">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1R116">116</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1R117">117</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1R118">118</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-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1R119">119</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1R120">120</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1R121">121</a></span>
<span class="diff-line-number-hunk-header" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1R122">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1R123">123</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1R124">124</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1R125">125</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-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1R126">126</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1R127">127</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/c2542a80374d9d549b799987b33eb72ca45c94a0#L1R128">128</a></span>
</pre>
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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">@@ -16,7 +16,6 @@</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> require &quot;English&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"> require &quot;coolio&quot;</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-require &quot;digest/sha1&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"> require &quot;droonga/loggable&quot;</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> require &quot;droonga/event_loop&quot;</span>
<span class="diff-hunk-header" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre">@@ -117,10 +116,6 @@ <span class="diff-context" style="background-color: #ffffaa; color: #000000">module Droonga</span></span>
<span class="diff-not-changed" style="display: block; white-space: pre">       @nodes_status = new_status</span>
<span class="diff-not-changed" style="display: block; white-space: pre">     end</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">-    def cluster_id</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-      @cluster_id ||= prepare_cluster_id</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-    end</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">     private</span>
<span class="diff-not-changed" style="display: block; white-space: pre">     def prepare_live_nodes</span>
<span class="diff-not-changed" style="display: block; white-space: pre">       @nodes_status.keys.select do |key|</span>
<span class="diff-hunk-header" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre">@@ -128,10 +123,6 @@ <span class="diff-context" style="background-color: #ffffaa; color: #000000">module Droonga</span></span>
<span class="diff-not-changed" style="display: block; white-space: pre">       end</span>
<span class="diff-not-changed" style="display: block; white-space: pre">     end</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">-    def prepare_cluster_id</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-      Digest::SHA1.hexdigest(all_nodes.join(&quot;\n&quot;))</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-    end</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">     def log_tag</span>
<span class="diff-not-changed" style="display: block; white-space: pre">       &quot;engine_state&quot;</span>
<span class="diff-not-changed" style="display: block; white-space: pre">     end</span>
</pre>
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