<!DOCTYPE html>
-<html class="writer-html5" lang="en" >
+<!--[if IE 8]><html class="no-js lt-ie9" lang="en" > <![endif]-->
+<!--[if gt IE 8]><!--> <html class="no-js" lang="en" > <!--<![endif]-->
<head>
<meta charset="utf-8">
- <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
- <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
-
-
- <!--[if lt IE 9]>
- <script src="../_static/js/html5shiv.min.js"></script>
- <![endif]-->
+ <script type="text/javascript" src="../_static/js/modernizr.min.js"></script>
<script type="text/javascript" id="documentation_options" data-url_root="../" src="../_static/documentation_options.js"></script>
- <script src="../_static/jquery.js"></script>
- <script src="../_static/underscore.js"></script>
- <script src="../_static/doctools.js"></script>
- <script src="../_static/language_data.js"></script>
+ <script type="text/javascript" src="../_static/jquery.js"></script>
+ <script type="text/javascript" src="../_static/underscore.js"></script>
+ <script type="text/javascript" src="../_static/doctools.js"></script>
+ <script type="text/javascript" src="../_static/language_data.js"></script>
<script type="text/javascript" src="../_static/js/theme.js"></script>
+
+
+ <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
+ <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
<link rel="index" title="Index" href="../genindex.html" />
<link rel="search" title="Search" href="../search.html" />
<link rel="copyright" title="Copyright" href="../copyright.html" />
- <a href="../index.html" class="icon icon-home" alt="Documentation Home"> libmemcached
+ <a href="../index.html" class="icon icon-home"> libmemcached
</div>
-
<div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
<li class="toctree-l1 current"><a class="reference internal" href="index.html">Client Applications</a><ul class="current">
<li class="toctree-l2"><a class="reference internal" href="index.html#data-manipulation">Data Manipulation</a></li>
<li class="toctree-l2 current"><a class="reference internal" href="index.html#tests-and-analysis">Tests and Analysis</a><ul class="current">
-<li class="toctree-l3 current"><a class="current reference internal" href="#">memaslap - Load testing
and benchmarking a server</a><ul>
+<li class="toctree-l3 current"><a class="current reference internal" href="#">memaslap - Load testing and benchmarking a server</a><ul>
<li class="toctree-l4"><a class="reference internal" href="#synopsis">SYNOPSIS</a></li>
<li class="toctree-l4"><a class="reference internal" href="#description">DESCRIPTION</a></li>
<li class="toctree-l4"><a class="reference internal" href="#features">FEATURES</a></li>
<li class="toctree-l4"><a class="reference internal" href="#see-also">SEE ALSO</a></li>
</ul>
</li>
-<li class="toctree-l3"><a class="reference internal" href="memslap.html">memslap</a></li>
+<li class="toctree-l3"><a class="reference internal" href="memslap.html">memslap - Load testing and benchmarking a server</a></li>
<li class="toctree-l3"><a class="reference internal" href="memping.html">memping – Ping a server</a></li>
<li class="toctree-l3"><a class="reference internal" href="memstat.html">memstat – Gather statistics from a server</a></li>
<li class="toctree-l3"><a class="reference internal" href="memerror.html">memerror — Translate libmemcached error codes</a></li>
</div>
-
</div>
</nav>
<ul class="wy-breadcrumbs">
- <li><a href="../index.html" class="icon icon-home"></a> »</li>
+ <li><a href="../index.html">Docs</a> »</li>
<li><a href="index.html">Client Applications</a> »</li>
<div class="section" id="synopsis">
<h2>SYNOPSIS<a class="headerlink" href="#synopsis" title="Permalink to this headline">¶</a></h2>
<p>memaslap [options]</p>
-<dl class="std option">
+<dl class="option">
<dt id="cmdoption-memaslap-help">
-<code class="
sig-name descname">--help</code><code class="sig-prename descclassname"></code><a class="headerlink" href="#cmdoption-memaslap-help" title="Permalink to this definition">¶</a></dt>
+<code class="
descname">--help</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-memaslap-help" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
-<dl class="std envvar">
+<dl class="envvar">
<dt id="envvar-MEMCACHED_SERVERS">
-<code class="
sig-name descname">MEMCACHED_SERVERS</code><a class="headerlink" href="#envvar-MEMCACHED_SERVERS" title="Permalink to this definition">¶</a></dt>
+<code class="descname">MEMCACHED_SERVERS</code><a class="headerlink" href="#envvar-MEMCACHED_SERVERS" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
</div>
of the limitation of implementation, the number of concurrencies could be
the multiple of the number of threads.</p>
<ol class="arabic simple">
-<li><p>For 8 CPU cores system</p></li>
+<li>For 8 CPU cores system</li>
</ol>
<p>For example:</p>
<p>--threads=2 --concurrency=128</p>
<p>--threads=8 --concurrency=256</p>
<p>--threads=12 --concurrency=144</p>
<ol class="arabic simple" start="2">
-<li><p>For 16 CPU cores system</p></li>
+<li>For 16 CPU cores system</li>
</ol>
<p>For example:</p>
<p>--threads=8 --concurrency=128</p>
<p>1. Small cache cache_size=1M, 100% cache miss (all data get from SSD).
win_size=10k</p>
<ol class="arabic simple" start="2">
-<li><p>cache_size=4G</p></li>
+<li>cache_size=4G</li>
</ol>
<p>(1). cache miss rate 0%</p>
<p>win_size=8k</p>
<p>(2). cache miss rate 5%</p>
<p>win_size=11k</p>
<ol class="arabic simple" start="3">
-<li><p>cache_size=16G</p></li>
+<li>cache_size=16G</li>
</ol>
<p>(1). cache miss rate 0%</p>
<p>win_size=32k</p>
<h3>Where<a class="headerlink" href="#where" title="Permalink to this headline">¶</a></h3>
<p>servers : "servers"</p>
<blockquote>
-<div><p>The servers used by memaslap.</p>
-</div></blockquote>
+<div>The servers used by memaslap.</div></blockquote>
<p>threads count</p>
<blockquote>
-<div><p>The number of threads memaslap runs with.</p>
-</div></blockquote>
+<div>The number of threads memaslap runs with.</div></blockquote>
<p>concurrency</p>
<blockquote>
-<div><p>The number of concurrencies memaslap runs with.</p>
-</div></blockquote>
+<div>The number of concurrencies memaslap runs with.</div></blockquote>
<p>run time</p>
<blockquote>
-<div><p>How long to run memaslap.</p>
-</div></blockquote>
+<div>How long to run memaslap.</div></blockquote>
<p>windows size</p>
<blockquote>
-<div><p>The task window size of each concurrency.</p>
-</div></blockquote>
+<div>The task window size of each concurrency.</div></blockquote>
<p>set proportion</p>
<blockquote>
-<div><p>The proportion of set command.</p>
-</div></blockquote>
+<div>The proportion of set command.</div></blockquote>
<p>get proportion</p>
<blockquote>
-<div><p>The proportion of get command.</p>
-</div></blockquote>
+<div>The proportion of get command.</div></blockquote>
<p>The output of dynamic statistics is something like this:</p>
<div class="highlight-perl notranslate"><div class="highlight"><pre><span></span><span class="o">---------------------------------------------------------------------------------------------------------------------------------</span>
<span class="n">Get</span> <span class="n">Statistics</span>
<h3>Where<a class="headerlink" href="#id1" title="Permalink to this headline">¶</a></h3>
<p>Get Statistics</p>
<blockquote>
-<div><p>Statistics information of get command</p>
-</div></blockquote>
+<div>Statistics information of get command</div></blockquote>
<p>Set Statistics</p>
<blockquote>
-<div><p>Statistics information of set command</p>
-</div></blockquote>
+<div>Statistics information of set command</div></blockquote>
<p>Total Statistics</p>
<blockquote>
-<div><p>Statistics information of both get and set command</p>
-</div></blockquote>
+<div>Statistics information of both get and set command</div></blockquote>
<p>Period</p>
<blockquote>
-<div><p>Result within a period</p>
-</div></blockquote>
+<div>Result within a period</div></blockquote>
<p>Global</p>
<blockquote>
-<div><p>Accumulated results</p>
-</div></blockquote>
+<div>Accumulated results</div></blockquote>
<p>Ops</p>
<blockquote>
-<div><p>Total operations</p>
-</div></blockquote>
+<div>Total operations</div></blockquote>
<p>TPS</p>
<blockquote>
-<div><p>Throughput, operations/second</p>
-</div></blockquote>
+<div>Throughput, operations/second</div></blockquote>
<p>Net</p>
<blockquote>
-<div><p>The rate of network</p>
-</div></blockquote>
+<div>The rate of network</div></blockquote>
<p>Get_miss</p>
<blockquote>
-<div><p>How many objects can't be gotten</p>
-</div></blockquote>
+<div>How many objects can't be gotten</div></blockquote>
<p>Min</p>
<blockquote>
-<div><p>The minimum response time</p>
-</div></blockquote>
+<div>The minimum response time</div></blockquote>
<p>Max</p>
<blockquote>
-<div><p>The maximum response time</p>
-</div></blockquote>
+<div>The maximum response time</div></blockquote>
<p>Avg:</p>
<blockquote>
-<div><p>The average response time</p>
-</div></blockquote>
+<div>The average response time</div></blockquote>
<p>Std_dev</p>
<blockquote>
-<div><p>Standard deviation of response time</p>
-</div></blockquote>
+<div>Standard deviation of response time</div></blockquote>
<p>Geo_dist</p>
<blockquote>
-<div><p>Geometric distribution based on natural exponential function</p>
-</div></blockquote>
+<div>Geometric distribution based on natural exponential function</div></blockquote>
<p>At the end, memaslap will output something like this:</p>
<div class="highlight-perl notranslate"><div class="highlight"><pre><span></span><span class="o">---------------------------------------------------------------------------------------------------------------------------------</span>
<span class="n">Get</span> <span class="n">Statistics</span> <span class="p">(</span><span class="mi">1257956</span> <span class="n">events</span><span class="p">)</span>
<h3>Where<a class="headerlink" href="#id2" title="Permalink to this headline">¶</a></h3>
<p>Get Statistics</p>
<blockquote>
-<div><p>Get statistics of response time</p>
-</div></blockquote>
+<div>Get statistics of response time</div></blockquote>
<p>Set Statistics</p>
<blockquote>
-<div><p>Set statistics of response time</p>
-</div></blockquote>
+<div>Set statistics of response time</div></blockquote>
<p>Total Statistics</p>
<blockquote>
-<div><p>Both get and set statistics of response time</p>
-</div></blockquote>
+<div>Both get and set statistics of response time</div></blockquote>
<p>Min</p>
<blockquote>
-<div><p>The accumulated and minimum response time</p>
-</div></blockquote>
+<div>The accumulated and minimum response time</div></blockquote>
<p>Max</p>
<blockquote>
-<div><p>The accumulated and maximum response time</p>
-</div></blockquote>
+<div>The accumulated and maximum response time</div></blockquote>
<p>Avg</p>
<blockquote>
-<div><p>The accumulated and average response time</p>
-</div></blockquote>
+<div>The accumulated and average response time</div></blockquote>
<p>Std</p>
<blockquote>
-<div><p>Standard deviation of response time</p>
-</div></blockquote>
+<div>Standard deviation of response time</div></blockquote>
<p>Log2 Dist</p>
<blockquote>
-<div><p>Geometric distribution based on logarithm 2</p>
-</div></blockquote>
+<div>Geometric distribution based on logarithm 2</div></blockquote>
<p>cmd_get</p>
<blockquote>
-<div><p>Total get commands done</p>
-</div></blockquote>
+<div>Total get commands done</div></blockquote>
<p>cmd_set</p>
<blockquote>
-<div><p>Total set commands done</p>
-</div></blockquote>
+<div>Total set commands done</div></blockquote>
<p>get_misses</p>
<blockquote>
-<div><p>How many objects can't be gotten from server</p>
-</div></blockquote>
+<div>How many objects can't be gotten from server</div></blockquote>
<p>verify_misses</p>
<blockquote>
-<div><p>How many objects need to verify but can't get them</p>
-</div></blockquote>
+<div>How many objects need to verify but can't get them</div></blockquote>
<p>verify_failed</p>
<blockquote>
-<div><p>How many objects with insistent value</p>
-</div></blockquote>
+<div>How many objects with insistent value</div></blockquote>
<p>expired_get</p>
<blockquote>
-<div><p>How many objects are expired but we get them</p>
-</div></blockquote>
+<div>How many objects are expired but we get them</div></blockquote>
<p>unexpired_unget</p>
<blockquote>
-<div><p>How many objects are unexpired but we can't get them</p>
-</div></blockquote>
+<div>How many objects are unexpired but we can't get them</div></blockquote>
<p>written_bytes</p>
<blockquote>
-<div><p>Total written bytes</p>
-</div></blockquote>
+<div>Total written bytes</div></blockquote>
<p>read_bytes</p>
<blockquote>
-<div><p>Total read bytes</p>
-</div></blockquote>
+<div>Total read bytes</div></blockquote>
<p>object_bytes</p>
<blockquote>
-<div><p>Total object bytes</p>
-</div></blockquote>
+<div>Total object bytes</div></blockquote>
<p>packet_disorder</p>
<blockquote>
-<div><p>How many UDP packages are disorder</p>
-</div></blockquote>
+<div>How many UDP packages are disorder</div></blockquote>
<p>packet_drop</p>
<blockquote>
-<div><p>How many UDP packages are lost</p>
-</div></blockquote>
+<div>How many UDP packages are lost</div></blockquote>
<p>udp_timeout</p>
<blockquote>
-<div><p>How many times UDP time out happen</p>
-</div></blockquote>
+<div>How many times UDP time out happen</div></blockquote>
<p>Run time</p>
<blockquote>
-<div><p>Total run time</p>
-</div></blockquote>
+<div>Total run time</div></blockquote>
<p>Ops</p>
<blockquote>
-<div><p>Total operations</p>
-</div></blockquote>
+<div>Total operations</div></blockquote>
<p>TPS</p>
<blockquote>
-<div><p>Throughput, operations/second</p>
-</div></blockquote>
+<div>Throughput, operations/second</div></blockquote>
<p>Net_rate</p>
<blockquote>
-<div><p>The average rate of network</p>
-</div></blockquote>
+<div>The average rate of network</div></blockquote>
</div>
</div>
<div class="section" id="options">
<h2>OPTIONS<a class="headerlink" href="#options" title="Permalink to this headline">¶</a></h2>
-<dl class="simple">
-<dt>-s, --servers=</dt><dd><p>List one or more servers to connect. Servers count must be less than
-threads count. e.g.: --servers=localhost:1234,localhost:11211</p>
-</dd>
-<dt>-T, --threads=</dt><dd><p>Number of threads to startup, better equal to CPU numbers. Default 8.</p>
-</dd>
-<dt>-c, --concurrency=</dt><dd><p>Number of concurrency to simulate with load. Default 128.</p>
-</dd>
-<dt>-n, --conn_sock=</dt><dd><p>Number of TCP socks per concurrency. Default 1.</p>
-</dd>
-<dt>-x, --execute_number=</dt><dd><p>Number of operations(get and set) to execute for the
-given test. Default 1000000.</p>
-</dd>
-<dt>-t, --time=</dt><dd><p>How long the test to run, suffix: s-seconds, m-minutes, h-hours,
-d-days e.g.: --time=2h.</p>
-</dd>
-<dt>-F, --cfg_cmd=</dt><dd><p>Load the configure file to get command,key and value distribution list.</p>
-</dd>
-<dt>-w, --win_size=</dt><dd><p>Task window size of each concurrency, suffix: K, M e.g.: --win_size=10k.
-Default 10k.</p>
-</dd>
-<dt>-X, --fixed_size=</dt><dd><p>Fixed length of value.</p>
-</dd>
-<dt>-v, --verify=</dt><dd><p>The proportion of date verification, e.g.: --verify=0.01</p>
-</dd>
-<dt>-d, --division=</dt><dd><p>Number of keys to multi-get once. Default 1, means single get.</p>
-</dd>
-<dt>-S, --stat_freq=</dt><dd><p>Frequency of dumping statistic information. suffix: s-seconds,
-m-minutes, e.g.: --resp_freq=10s.</p>
-</dd>
-<dt>-e, --exp_verify=</dt><dd><p>The proportion of objects with expire time, e.g.: --exp_verify=0.01.
-Default no object with expire time</p>
-</dd>
-<dt>-o, --overwrite=</dt><dd><p>The proportion of objects need overwrite, e.g.: --overwrite=0.01.
-Default never overwrite object.</p>
-</dd>
+<dl class="docutils">
+<dt>-s, --servers=</dt>
+<dd>List one or more servers to connect. Servers count must be less than
+threads count. e.g.: --servers=localhost:1234,localhost:11211</dd>
+<dt>-T, --threads=</dt>
+<dd>Number of threads to startup, better equal to CPU numbers. Default 8.</dd>
+<dt>-c, --concurrency=</dt>
+<dd>Number of concurrency to simulate with load. Default 128.</dd>
+<dt>-n, --conn_sock=</dt>
+<dd>Number of TCP socks per concurrency. Default 1.</dd>
+<dt>-x, --execute_number=</dt>
+<dd>Number of operations(get and set) to execute for the
+given test. Default 1000000.</dd>
+<dt>-t, --time=</dt>
+<dd>How long the test to run, suffix: s-seconds, m-minutes, h-hours,
+d-days e.g.: --time=2h.</dd>
+<dt>-F, --cfg_cmd=</dt>
+<dd>Load the configure file to get command,key and value distribution list.</dd>
+<dt>-w, --win_size=</dt>
+<dd>Task window size of each concurrency, suffix: K, M e.g.: --win_size=10k.
+Default 10k.</dd>
+<dt>-X, --fixed_size=</dt>
+<dd>Fixed length of value.</dd>
+<dt>-v, --verify=</dt>
+<dd>The proportion of date verification, e.g.: --verify=0.01</dd>
+<dt>-d, --division=</dt>
+<dd>Number of keys to multi-get once. Default 1, means single get.</dd>
+<dt>-S, --stat_freq=</dt>
+<dd>Frequency of dumping statistic information. suffix: s-seconds,
+m-minutes, e.g.: --resp_freq=10s.</dd>
+<dt>-e, --exp_verify=</dt>
+<dd>The proportion of objects with expire time, e.g.: --exp_verify=0.01.
+Default no object with expire time</dd>
+<dt>-o, --overwrite=</dt>
+<dd>The proportion of objects need overwrite, e.g.: --overwrite=0.01.
+Default never overwrite object.</dd>
</dl>
-<dl class="option-list">
-<dt><kbd><span class="option">-R</span>, <span class="option">--reconnect</span></kbd></dt>
-<dd><p>Reconnect tests, when connection is closed it will be reconnected.</p>
-</dd>
-<dt><kbd><span class="option">-U</span>, <span class="option">--udp</span></kbd></dt>
-<dd><p>UDP tests, default memaslap uses TCP, TCP port and UDP port of
-server must be same.</p>
-</dd>
-<dt><kbd><span class="option">-a</span>, <span class="option">--facebook</span></kbd></dt>
-<dd><p>Whether it enables facebook test feature, set with TCP and multi-get with UDP.</p>
-</dd>
-<dt><kbd><span class="option">-B</span>, <span class="option">--binary</span></kbd></dt>
-<dd><p>Whether it enables binary protocol. Default with ASCII protocol.</p>
-</dd>
-</dl>
-<dl class="simple">
-<dt>-P, --tps=</dt><dd><p>Expected throughput, suffix: K, e.g.: --tps=10k.</p>
-</dd>
-<dt>-p, --rep_write=</dt><dd><p>The first nth servers can write data, e.g.: --rep_write=2.</p>
-</dd>
-</dl>
-<dl class="option-list">
-<dt><kbd><span class="option">-b</span>, <span class="option">--verbose</span></kbd></dt>
-<dd><p>Whether it outputs detailed information when verification fails.</p>
-</dd>
-<dt><kbd><span class="option">-h</span>, <span class="option">--help</span></kbd></dt>
-<dd><p>Display this message and then exit.</p>
-</dd>
-<dt><kbd><span class="option">-V</span>, <span class="option">--version</span></kbd></dt>
-<dd><p>Display the version of the application and then exit.</p>
-</dd>
+<table class="docutils option-list" frame="void" rules="none">
+<col class="option" />
+<col class="description" />
+<tbody valign="top">
+<tr><td class="option-group" colspan="2">
+<kbd><span class="option">-R</span>, <span class="option">--reconnect</span></kbd></td>
+</tr>
+<tr><td> </td><td>Reconnect tests, when connection is closed it will be reconnected.</td></tr>
+<tr><td class="option-group">
+<kbd><span class="option">-U</span>, <span class="option">--udp</span></kbd></td>
+<td>UDP tests, default memaslap uses TCP, TCP port and UDP port of
+server must be same.</td></tr>
+<tr><td class="option-group">
+<kbd><span class="option">-a</span>, <span class="option">--facebook</span></kbd></td>
+<td>Whether it enables facebook test feature, set with TCP and multi-get with UDP.</td></tr>
+<tr><td class="option-group">
+<kbd><span class="option">-B</span>, <span class="option">--binary</span></kbd></td>
+<td>Whether it enables binary protocol. Default with ASCII protocol.</td></tr>
+</tbody>
+</table>
+<dl class="docutils">
+<dt>-P, --tps=</dt>
+<dd>Expected throughput, suffix: K, e.g.: --tps=10k.</dd>
+<dt>-p, --rep_write=</dt>
+<dd>The first nth servers can write data, e.g.: --rep_write=2.</dd>
</dl>
+<table class="docutils option-list" frame="void" rules="none">
+<col class="option" />
+<col class="description" />
+<tbody valign="top">
+<tr><td class="option-group">
+<kbd><span class="option">-b</span>, <span class="option">--verbose</span></kbd></td>
+<td>Whether it outputs detailed information when verification fails.</td></tr>
+<tr><td class="option-group">
+<kbd><span class="option">-h</span>, <span class="option">--help</span></kbd></td>
+<td>Display this message and then exit.</td></tr>
+<tr><td class="option-group">
+<kbd><span class="option">-V</span>, <span class="option">--version</span></kbd></td>
+<td>Display the version of the application and then exit.</td></tr>
+</tbody>
+</table>
</div>
<div class="section" id="examples">
<h2>EXAMPLES<a class="headerlink" href="#examples" title="Permalink to this headline">¶</a></h2>
<div role="contentinfo">
<p>
-
-
© <a href="../copyright.html">Copyright</a>
</p>
</div>
-
-
-
- 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>.
+ 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>.
</footer>
</div>
+
<script type="text/javascript">
jQuery(function () {
SphinxRtdTheme.Navigation.enable(true);
projects / m6w6 / libmemcached / blobdiff