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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">2015-04-23 20:52:46 +0900 (Thu, 23 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-engine/commit/9626399bb83c3625fa468de7f20e8ce13e4f4a9b">9626399bb83c3625fa468de7f20e8ce13e4f4a9b</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">Make trace logs more meaningful</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/9626399bb83c3625fa468de7f20e8ce13e4f4a9b#diff-0">lib/droonga/engine.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 (+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, &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/9626399bb83c3625fa468de7f20e8ce13e4f4a9b#L0L77">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/9626399bb83c3625fa468de7f20e8ce13e4f4a9b#L0L78">78</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/9626399bb83c3625fa468de7f20e8ce13e4f4a9b#L0L79">79</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/9626399bb83c3625fa468de7f20e8ce13e4f4a9b#L0L80">80</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/9626399bb83c3625fa468de7f20e8ce13e4f4a9b#L0L81">81</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/9626399bb83c3625fa468de7f20e8ce13e4f4a9b#L0L82">82</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/9626399bb83c3625fa468de7f20e8ce13e4f4a9b#L0L83">83</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/9626399bb83c3625fa468de7f20e8ce13e4f4a9b#L0L84">84</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/9626399bb83c3625fa468de7f20e8ce13e4f4a9b#L0L85">85</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/9626399bb83c3625fa468de7f20e8ce13e4f4a9b#L0L86">86</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/9626399bb83c3625fa468de7f20e8ce13e4f4a9b#L0L87">87</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/9626399bb83c3625fa468de7f20e8ce13e4f4a9b#L0L88">88</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/9626399bb83c3625fa468de7f20e8ce13e4f4a9b#L0L89">89</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/9626399bb83c3625fa468de7f20e8ce13e4f4a9b#L0L90">90</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/9626399bb83c3625fa468de7f20e8ce13e4f4a9b#L0L91">91</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/9626399bb83c3625fa468de7f20e8ce13e4f4a9b#L0L92">92</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/9626399bb83c3625fa468de7f20e8ce13e4f4a9b#L0L93">93</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/9626399bb83c3625fa468de7f20e8ce13e4f4a9b#L0L94">94</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/9626399bb83c3625fa468de7f20e8ce13e4f4a9b#L0L95">95</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/9626399bb83c3625fa468de7f20e8ce13e4f4a9b#L0L96">96</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/9626399bb83c3625fa468de7f20e8ce13e4f4a9b#L0L97">97</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/9626399bb83c3625fa468de7f20e8ce13e4f4a9b#L0L98">98</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/9626399bb83c3625fa468de7f20e8ce13e4f4a9b#L0L99">99</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/9626399bb83c3625fa468de7f20e8ce13e4f4a9b#L0L100">100</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-engine/commit/9626399bb83c3625fa468de7f20e8ce13e4f4a9b#L0R77">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/9626399bb83c3625fa468de7f20e8ce13e4f4a9b#L0R78">78</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/9626399bb83c3625fa468de7f20e8ce13e4f4a9b#L0R79">79</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/9626399bb83c3625fa468de7f20e8ce13e4f4a9b#L0R80">80</a></span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre">&nbsp;</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-engine/commit/9626399bb83c3625fa468de7f20e8ce13e4f4a9b#L0R81">81</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/9626399bb83c3625fa468de7f20e8ce13e4f4a9b#L0R82">82</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/9626399bb83c3625fa468de7f20e8ce13e4f4a9b#L0R83">83</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/9626399bb83c3625fa468de7f20e8ce13e4f4a9b#L0R84">84</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/9626399bb83c3625fa468de7f20e8ce13e4f4a9b#L0R85">85</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/9626399bb83c3625fa468de7f20e8ce13e4f4a9b#L0R86">86</a></span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre">&nbsp;</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-engine/commit/9626399bb83c3625fa468de7f20e8ce13e4f4a9b#L0R87">87</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/9626399bb83c3625fa468de7f20e8ce13e4f4a9b#L0R88">88</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/9626399bb83c3625fa468de7f20e8ce13e4f4a9b#L0R89">89</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/9626399bb83c3625fa468de7f20e8ce13e4f4a9b#L0R90">90</a></span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre">&nbsp;</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-engine/commit/9626399bb83c3625fa468de7f20e8ce13e4f4a9b#L0R91">91</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/9626399bb83c3625fa468de7f20e8ce13e4f4a9b#L0R92">92</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/9626399bb83c3625fa468de7f20e8ce13e4f4a9b#L0R93">93</a></span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre">&nbsp;</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-engine/commit/9626399bb83c3625fa468de7f20e8ce13e4f4a9b#L0R94">94</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/9626399bb83c3625fa468de7f20e8ce13e4f4a9b#L0R95">95</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/9626399bb83c3625fa468de7f20e8ce13e4f4a9b#L0R96">96</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/9626399bb83c3625fa468de7f20e8ce13e4f4a9b#L0R97">97</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/9626399bb83c3625fa468de7f20e8ce13e4f4a9b#L0R98">98</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/9626399bb83c3625fa468de7f20e8ce13e4f4a9b#L0R99">99</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">@@ -78,23 +78,22 @@ <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">       logger.trace(&quot;stop_gracefully: start&quot;)</span>
<span class="diff-not-changed" style="display: block; white-space: pre">       @cluster.shutdown</span>
<span class="diff-not-changed" style="display: block; white-space: pre">       on_finish = lambda do</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-        logger.trace(&quot;stop_gracefully/on_finish: start&quot;)</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+        logger.trace(&quot;stop_gracefully: middle&quot;)</span>
<span class="diff-not-changed" style="display: block; white-space: pre">         @export_last_processed_message_timestamp_observer.stop</span>
<span class="diff-not-changed" style="display: block; white-space: pre">         export_last_processed_message_timestamp</span>
<span class="diff-not-changed" style="display: block; white-space: pre">         @dispatcher.stop_gracefully do</span>
<span class="diff-not-changed" style="display: block; white-space: pre">           @state.shutdown</span>
<span class="diff-not-changed" style="display: block; white-space: pre">           yield</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-          logger.trace(&quot;stop_gracefully/on_finish: done&quot;)</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+          logger.trace(&quot;stop_gracefully: done&quot;)</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">       if @state.have_session?</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-        logger.trace(&quot;stop_gracefully/having sessions&quot;)</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+        logger.trace(&quot;stop_gracefully: having sessions&quot;)</span>
<span class="diff-not-changed" style="display: block; white-space: pre">         @state.on_finish = on_finish</span>
<span class="diff-not-changed" style="display: block; white-space: pre">       else</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-        logger.trace(&quot;stop_gracefully/no session&quot;)</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+        logger.trace(&quot;stop_gracefully: no session&quot;)</span>
<span class="diff-not-changed" style="display: block; white-space: pre">         on_finish.call</span>
<span class="diff-not-changed" style="display: block; white-space: pre">       end</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-      logger.trace(&quot;stop_gracefully: done&quot;)</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-not-changed" style="display: block; white-space: pre">     # It may be called after stop_gracefully.</span>
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