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      <dt style="clear: both; float: left; font-weight: bold; width: 8em">Author</dt>
      <dd style="margin-left: 8.5em">Kouhei Sutou &lt;kou****@clear*****&gt;</dd>
      <dt style="clear: both; float: left; font-weight: bold; width: 8em">Date</dt>
      <dd style="margin-left: 8.5em">2015-04-15 18:11:18 +0900 (Wed, 15 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/groonga/groonga/commit/5d2c35442791cf8427d757b64c68e8425632983a">5d2c35442791cf8427d757b64c68e8425632983a</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">cache: expire old caches when the max N caches is decreased

Suggested by Gurunavi, Inc. Thanks!!!</pre></dd>
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        <ul>
          <li><a href="https://github.com/groonga/groonga/commit/5d2c35442791cf8427d757b64c68e8425632983a#diff-0">lib/ctx.c</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/ctx.c (+8 -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/groonga/groonga/commit/5d2c35442791cf8427d757b64c68e8425632983a#L0L1733">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/5d2c35442791cf8427d757b64c68e8425632983a#L0L1734">1734</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/5d2c35442791cf8427d757b64c68e8425632983a#L0L1735">1735</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/5d2c35442791cf8427d757b64c68e8425632983a#L0L1736">1736</a></span>
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<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/5d2c35442791cf8427d757b64c68e8425632983a#L0L1738">1738</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/5d2c35442791cf8427d757b64c68e8425632983a#L0L1739">1739</a></span>
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<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/5d2c35442791cf8427d757b64c68e8425632983a#L0L1740">1740</a></span>
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<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/5d2c35442791cf8427d757b64c68e8425632983a#L0L1741">1741</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/5d2c35442791cf8427d757b64c68e8425632983a#L0L1742">1742</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/5d2c35442791cf8427d757b64c68e8425632983a#L0L1743">1743</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/groonga/groonga/commit/5d2c35442791cf8427d757b64c68e8425632983a#L0R1733">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/5d2c35442791cf8427d757b64c68e8425632983a#L0R1734">1734</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/5d2c35442791cf8427d757b64c68e8425632983a#L0R1735">1735</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/5d2c35442791cf8427d757b64c68e8425632983a#L0R1736">1736</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/5d2c35442791cf8427d757b64c68e8425632983a#L0R1737">1737</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/5d2c35442791cf8427d757b64c68e8425632983a#L0R1738">1738</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/5d2c35442791cf8427d757b64c68e8425632983a#L0R1739">1739</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/5d2c35442791cf8427d757b64c68e8425632983a#L0R1740">1740</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/5d2c35442791cf8427d757b64c68e8425632983a#L0R1741">1741</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/5d2c35442791cf8427d757b64c68e8425632983a#L0R1742">1742</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/5d2c35442791cf8427d757b64c68e8425632983a#L0R1743">1743</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/5d2c35442791cf8427d757b64c68e8425632983a#L0R1744">1744</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/5d2c35442791cf8427d757b64c68e8425632983a#L0R1745">1745</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/5d2c35442791cf8427d757b64c68e8425632983a#L0R1746">1746</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/5d2c35442791cf8427d757b64c68e8425632983a#L0R1747">1747</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/5d2c35442791cf8427d757b64c68e8425632983a#L0R1748">1748</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/5d2c35442791cf8427d757b64c68e8425632983a#L0R1749">1749</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/5d2c35442791cf8427d757b64c68e8425632983a#L0R1750">1750</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/5d2c35442791cf8427d757b64c68e8425632983a#L0R1751">1751</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">@@ -1734,10 +1734,18 @@ <span class="diff-context" style="background-color: #ffffaa; color: #000000">grn_cache_init(void)</span></span>
<span class="diff-not-changed" style="display: block; white-space: pre"> grn_rc</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> grn_cache_set_max_n_entries(grn_ctx *ctx, grn_cache *cache, unsigned int n)</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">+  uint32_t current_max_n_entries;</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">   if (!cache) {</span>
<span class="diff-not-changed" style="display: block; white-space: pre">     return GRN_INVALID_ARGUMENT;</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">+</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+  current_max_n_entries = cache-&gt;max_nentries;</span>
<span class="diff-not-changed" style="display: block; white-space: pre">   cache-&gt;max_nentries = n;</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+  if (n &lt; current_max_n_entries) {</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+    grn_cache_expire(cache, current_max_n_entries - n);</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">   return GRN_SUCCESS;</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>
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