git.m6w6.name Git - m6w6/libmemcached/blob - libmemcached/memcached_analyze.html

   1
   2
   3 <!DOCTYPE html>
   4 <!--[if IE 8]><html class="no-js lt-ie9" lang="en" > <![endif]-->
   5 <!--[if gt IE 8]><!--> <html class="no-js" lang="en" > <!--<![endif]-->
   6 <head>
   7   <meta charset="utf-8">
   8
   9   <meta name="viewport" content="width=device-width, initial-scale=1.0">
  10
  11   <title>Analyzing servers &mdash; libmemcached 1.0.99 documentation</title>
  12
  13
  14
  15
  16
  17
  18
  19
  20   <script type="text/javascript" src="../_static/js/modernizr.min.js"></script>
  21
  22
  23       <script type="text/javascript" id="documentation_options" data-url_root="../" src="../_static/documentation_options.js"></script>
  24         <script src="../_static/jquery.js"></script>
  25         <script src="../_static/underscore.js"></script>
  26         <script src="../_static/doctools.js"></script>
  27         <script src="../_static/language_data.js"></script>
  28
  29     <script type="text/javascript" src="../_static/js/theme.js"></script>
  30
  31
  32
  33
  34   <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
  35   <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
  36     <link rel="index" title="Index" href="../genindex.html" />
  37     <link rel="search" title="Search" href="../search.html" />
  38     <link rel="copyright" title="Copyright" href="../copyright.html" />
  39     <link rel="next" title="Working with statistical information from a server" href="memcached_stats.html" />
  40     <link rel="prev" title="Statistics" href="index_advanced_stats.html" />
  41 </head>
  42
  43 <body class="wy-body-for-nav">
  44
  45
  46   <div class="wy-grid-for-nav">
  47
  48     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
  49       <div class="wy-side-scroll">
  50         <div class="wy-side-nav-search" >
  51
  52
  53
  54             <a href="../index.html" class="icon icon-home"> libmemcached
  55
  56
  57
  58           </a>
  59
  60
  61
  62
  63               <div class="version">
  64                 1.0
  65               </div>
  66
  67
  68
  69
  70 <div role="search">
  71   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
  72     <input type="text" name="q" placeholder="Search docs" />
  73     <input type="hidden" name="check_keywords" value="yes" />
  74     <input type="hidden" name="area" value="default" />
  75   </form>
  76 </div>
  77
  78
  79         </div>
  80
  81         <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
  82
  83
  84
  85
  86
  87
  88               <p class="caption"><span class="caption-text">libmemcached</span></p>
  89 <ul class="current">
  90 <li class="toctree-l1"><a class="reference internal" href="../libmemcached.html">Introduction</a></li>
  91 <li class="toctree-l1 current"><a class="reference internal" href="index.html">libmemcached API</a><ul class="current">
  92 <li class="toctree-l2"><a class="reference internal" href="index_basics.html">Basics</a></li>
  93 <li class="toctree-l2"><a class="reference internal" href="index_data.html">Working with Data</a></li>
  94 <li class="toctree-l2"><a class="reference internal" href="index_errors.html">Messages and Errors</a></li>
  95 <li class="toctree-l2 current"><a class="reference internal" href="index_advanced.html">Advanced Topics</a><ul class="current">
  96 <li class="toctree-l3"><a class="reference internal" href="index_advanced_internals.html">Internal Behavior</a></li>
  97 <li class="toctree-l3"><a class="reference internal" href="index_advanced_aeh.html">Authentication, Encryption &amp; Hashing</a></li>
  98 <li class="toctree-l3"><a class="reference internal" href="index_advanced_servers.html">Servers and Server Lists</a></li>
  99 <li class="toctree-l3"><a class="reference internal" href="index_advanced_daemon.html">Affecting the memcached Daemon</a></li>
 100 <li class="toctree-l3 current"><a class="reference internal" href="index_advanced_stats.html">Statistics</a><ul class="current">
 101 <li class="toctree-l4 current"><a class="current reference internal" href="#">Analyzing servers</a></li>
 102 <li class="toctree-l4"><a class="reference internal" href="memcached_stats.html">Working with statistical information from a server</a></li>
 103 </ul>
 104 </li>
 105 </ul>
 106 </li>
 107 <li class="toctree-l2"><a class="reference internal" href="index_deprecated.html">Deprecated Functionality</a></li>
 108 </ul>
 109 </li>
 110 <li class="toctree-l1"><a class="reference internal" href="index_misc.html">Misc</a></li>
 111 </ul>
 112 <p class="caption"><span class="caption-text">libmemcachedutil</span></p>
 113 <ul>
 114 <li class="toctree-l1"><a class="reference internal" href="../libmemcachedutil.html">Introduction</a></li>
 115 <li class="toctree-l1"><a class="reference internal" href="../libmemcachedutil/index.html">libmemcachedutil API</a></li>
 116 </ul>
 117 <p class="caption"><span class="caption-text">libhashkit</span></p>
 118 <ul>
 119 <li class="toctree-l1"><a class="reference internal" href="../libhashkit.html">Introduction</a></li>
 120 <li class="toctree-l1"><a class="reference internal" href="../libhashkit/index.html">libhashkit API</a></li>
 121 </ul>
 122 <p class="caption"><span class="caption-text">Client Applications</span></p>
 123 <ul>
 124 <li class="toctree-l1"><a class="reference internal" href="../bin/index.html">Client Applications</a></li>
 125 </ul>
 126 <p class="caption"><span class="caption-text">Copyright</span></p>
 127 <ul>
 128 <li class="toctree-l1"><a class="reference internal" href="../copyright.html">Copyright</a></li>
 129 </ul>
 130
 131
 132
 133         </div>
 134       </div>
 135     </nav>
 136
 137     <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
 138
 139
 140       <nav class="wy-nav-top" aria-label="top navigation">
 141
 142           <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
 143           <a href="../index.html">libmemcached</a>
 144
 145       </nav>
 146
 147
 148       <div class="wy-nav-content">
 149
 150         <div class="rst-content">
 151
 152
 153
 154
 155
 156
 157
 158
 159
 160
 161
 162
 163
 164
 165
 166
 167
 168 <div role="navigation" aria-label="breadcrumbs navigation">
 169
 170   <ul class="wy-breadcrumbs">
 171
 172       <li><a href="../index.html">Docs</a> &raquo;</li>
 173
 174           <li><a href="index.html">libmemcached API</a> &raquo;</li>
 175
 176           <li><a href="index_advanced.html">Advanced Topics</a> &raquo;</li>
 177
 178           <li><a href="index_advanced_stats.html">Statistics</a> &raquo;</li>
 179
 180       <li>Analyzing servers</li>
 181
 182
 183       <li class="wy-breadcrumbs-aside">
 184
 185
 186
 187       </li>
 188
 189   </ul>
 190
 191
 192   <hr/>
 193 </div>
 194           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
 195            <div itemprop="articleBody">
 196
 197   <div class="section" id="analyzing-servers">
 198 <h1>Analyzing servers<a class="headerlink" href="#analyzing-servers" title="Permalink to this headline">¶</a></h1>
 199 <p>Analyze server information</p>
 200 <div class="section" id="synopsis">
 201 <h2>SYNOPSIS<a class="headerlink" href="#synopsis" title="Permalink to this headline">¶</a></h2>
 202 <dl class="simple" id="index-0">
 203 <dt>#include &lt;libmemcached/memcached.h&gt;</dt><dd><p>Compile and link with -lmemcached</p>
 204 </dd>
 205 </dl>
 206 <dl class="type">
 207 <dt id="_CPPv421memcached_analysis_st">
 208 <span id="_CPPv321memcached_analysis_st"></span><span id="_CPPv221memcached_analysis_st"></span><span id="memcached_analysis_st"></span><em class="property">type </em><code class="sig-name descname">memcached_analysis_st</code><a class="headerlink" href="#_CPPv421memcached_analysis_st" title="Permalink to this definition">¶</a><br /></dt>
 209 <dd><p>typedef struct memcached_analysis_st memcached_analysis_st;</p>
 210 </dd></dl>
 211
 212 <dl class="function">
 213 <dt id="_CPPv417memcached_analyzeP12memcached_stP17memcached_stat_stP18memcached_return_t">
 214 <span id="_CPPv317memcached_analyzeP12memcached_stP17memcached_stat_stP18memcached_return_t"></span><span id="_CPPv217memcached_analyzeP12memcached_stP17memcached_stat_stP18memcached_return_t"></span><span id="memcached_analyze__memcached_stP.memcached_stat_stP.memcached_return_tP"></span><a class="reference internal" href="#_CPPv421memcached_analysis_st" title="memcached_analysis_st">memcached_analysis_st</a> *<code class="sig-name descname">memcached_analyze</code><span class="sig-paren">(</span><a class="reference internal" href="memcached_create.html#_CPPv412memcached_st" title="memcached_st">memcached_st</a> *<em>ptr</em>, <a class="reference internal" href="memcached_stats.html#_CPPv417memcached_stat_st" title="memcached_stat_st">memcached_stat_st</a> *<em>stat</em>, <a class="reference internal" href="memcached_return_t.html#_CPPv418memcached_return_t" title="memcached_return_t">memcached_return_t</a> *<em>error</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv417memcached_analyzeP12memcached_stP17memcached_stat_stP18memcached_return_t" title="Permalink to this definition">¶</a><br /></dt>
 215 <dd></dd></dl>
 216
 217 </div>
 218 <div class="section" id="description">
 219 <h2>DESCRIPTION<a class="headerlink" href="#description" title="Permalink to this headline">¶</a></h2>
 220 <p><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">libmemcached</span></code> has the ability to query a memcached server (or
 221 collection of servers) for their current state. Queries to find state return a
 222 <a class="reference internal" href="#_CPPv421memcached_analysis_st" title="memcached_analysis_st"><code class="xref cpp cpp-type docutils literal notranslate"><span class="pre">memcached_analysis_st</span></code></a> structure. You are responsible for freeing this structure.</p>
 223 <p><a class="reference internal" href="#_CPPv417memcached_analyzeP12memcached_stP17memcached_stat_stP18memcached_return_t" title="memcached_analyze"><code class="xref cpp cpp-func docutils literal notranslate"><span class="pre">memcached_analyze()</span></code></a> analyzes useful information based on the
 224 provided servers and sets the result to the <a class="reference internal" href="#_CPPv421memcached_analysis_st" title="memcached_analysis_st"><code class="xref cpp cpp-type docutils literal notranslate"><span class="pre">memcached_analysis_st</span></code></a>
 225 structure. The return value must be freed by the calling application.</p>
 226 <p>A command line tool, <strong class="program">memstat</strong> with the option <a class="reference internal" href="../bin/memstat.html#cmdoption-memstat-analyze"><code class="xref std std-option docutils literal notranslate"><span class="pre">memstat</span> <span class="pre">--analyze</span></code></a>,
 227 is provided so that you do not have to write an application to use this method.</p>
 228 </div>
 229 <div class="section" id="return">
 230 <h2>RETURN<a class="headerlink" href="#return" title="Permalink to this headline">¶</a></h2>
 231 <p>A pointer to the allocated <a class="reference internal" href="#_CPPv421memcached_analysis_st" title="memcached_analysis_st"><code class="xref cpp cpp-type docutils literal notranslate"><span class="pre">memcached_analysis_st</span></code></a> structure on
 232 success and a NULL pointer on failure. You may inspect the error detail by
 233 checking the <a class="reference internal" href="memcached_return_t.html#_CPPv418memcached_return_t" title="memcached_return_t"><code class="xref cpp cpp-type docutils literal notranslate"><span class="pre">memcached_return_t</span></code></a> value.</p>
 234 <p>Any method returning a <a class="reference internal" href="#_CPPv421memcached_analysis_st" title="memcached_analysis_st"><code class="xref cpp cpp-type docutils literal notranslate"><span class="pre">memcached_analysis_st</span></code></a> expects you to free the
 235 memory allocated for it.</p>
 236 </div>
 237 <div class="section" id="see-also">
 238 <h2>SEE ALSO<a class="headerlink" href="#see-also" title="Permalink to this headline">¶</a></h2>
 239 <ul class="simple">
 240 <li><p><em class="manpage"><a class="manpage reference external" href="http://man7.org/linux/man-pages/man1/memcached.1.html">memcached(1)</a></em></p></li>
 241 <li><p><a class="reference internal" href="../libmemcached.html"><span class="doc">C/C++ Client Library for memcached</span></a></p></li>
 242 <li><p><a class="reference internal" href="memcached_strerror.html"><span class="doc">Converting Error Codes to Messages</span></a></p></li>
 243 </ul>
 244 </div>
 245 </div>
 246
 247
 248            </div>
 249
 250           </div>
 251           <footer>
 252
 253     <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
 254
 255         <a href="memcached_stats.html" class="btn btn-neutral float-right" title="Working with statistical information from a server" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right"></span></a>
 256
 257
 258         <a href="index_advanced_stats.html" class="btn btn-neutral float-left" title="Statistics" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left"></span> Previous</a>
 259
 260     </div>
 261
 262
 263   <hr/>
 264
 265   <div role="contentinfo">
 266     <p>
 267         &copy; <a href="../copyright.html">Copyright</a>
 268
 269     </p>
 270   </div>
 271   Built with <a href="http://sphinx-doc.org/">Sphinx</a> using a <a href="https://github.com/rtfd/sphinx_rtd_theme">theme</a> provided by <a href="https://readthedocs.org">Read the Docs</a>.
 272
 273 </footer>
 274
 275         </div>
 276       </div>
 277
 278     </section>
 279
 280   </div>
 281
 282
 283
 284   <script type="text/javascript">
 285       jQuery(function () {
 286           SphinxRtdTheme.Navigation.enable(true);
 287       });
 288   </script>
 289
 290
 291
 292
 293
 294
 295 </body>
 296 </html>