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# 支持特性与业务模型<a name="ZH-CN_TOPIC_0213178448"></a>
## 支持特性<a name="section1743310211743"></a>
A-Tune支持的主要特性、特性成熟度以及使用建议请参见[表1](#table1919220557576)。
**表 1** 特性成熟度
<a name="table1919220557576"></a>
<table><thead align="left"><tr id="row81921355135715"><th class="cellrowborder" valign="top" width="33.33333333333333%" id="mcps1.2.4.1.1"><p id="p1419275514576"><a name="p1419275514576"></a><a name="p1419275514576"></a><strong id="b175661223205512"><a name="b175661223205512"></a><a name="b175661223205512"></a>特性</strong></p>
</th>
<th class="cellrowborder" valign="top" width="33.33333333333333%" id="mcps1.2.4.1.2"><p id="p7192195520572"><a name="p7192195520572"></a><a name="p7192195520572"></a><strong id="b185678233555"><a name="b185678233555"></a><a name="b185678233555"></a>成熟度</strong></p>
</th>
<th class="cellrowborder" valign="top" width="33.33333333333333%" id="mcps1.2.4.1.3"><p id="p519205518573"><a name="p519205518573"></a><a name="p519205518573"></a><strong id="b1156872320553"><a name="b1156872320553"></a><a name="b1156872320553"></a>使用建议</strong></p>
</th>
</tr>
</thead>
<tbody><tr id="row519275518572"><td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.2.4.1.1 "><p id="p1349454518111"><a name="p1349454518111"></a><a name="p1349454518111"></a>七大类11款应用负载类型自动优化</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.2.4.1.2 "><p id="p48001027191117"><a name="p48001027191117"></a><a name="p48001027191117"></a>已测试</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.2.4.1.3 "><p id="p15192195515715"><a name="p15192195515715"></a><a name="p15192195515715"></a>试用</p>
</td>
</tr>
<tr id="row919217552579"><td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.2.4.1.1 "><p id="p519218559571"><a name="p519218559571"></a><a name="p519218559571"></a>自定义负载类型和业务模型</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.2.4.1.2 "><p id="p18192655115710"><a name="p18192655115710"></a><a name="p18192655115710"></a>已测试</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.2.4.1.3 "><p id="p71921655145717"><a name="p71921655145717"></a><a name="p71921655145717"></a>试用</p>
</td>
</tr>
<tr id="row71921155165711"><td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.2.4.1.1 "><p id="p619217556575"><a name="p619217556575"></a><a name="p619217556575"></a>参数自调优</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.2.4.1.2 "><p id="p11192135595712"><a name="p11192135595712"></a><a name="p11192135595712"></a>已测试</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.2.4.1.3 "><p id="p2019235511575"><a name="p2019235511575"></a><a name="p2019235511575"></a>试用</p>
</td>
</tr>
</tbody>
</table>
## 支持业务模型<a name="section1899518171052"></a>
根据应用的负载特征，A-Tune将业务分为七大类，各类型的负载特征和A-Tune支持的应用请参见[表2](#table2819164611311)。
**表 2** 支持的业务类型和应用
<a name="table2819164611311"></a>
<table><thead align="left"><tr id="row49114466133"><th class="cellrowborder" valign="top" width="22.12%" id="mcps1.2.5.1.1"><p id="p09116467130"><a name="p09116467130"></a><a name="p09116467130"></a><strong id="b161312710164"><a name="b161312710164"></a><a name="b161312710164"></a>业务类型</strong>（workload_type）</p>
</th>
<th class="cellrowborder" valign="top" width="12.959999999999999%" id="mcps1.2.5.1.2"><p id="p953251510111"><a name="p953251510111"></a><a name="p953251510111"></a><strong id="b910151811126"><a name="b910151811126"></a><a name="b910151811126"></a>类型说明</strong></p>
</th>
<th class="cellrowborder" valign="top" width="37.269999999999996%" id="mcps1.2.5.1.3"><p id="p169111846181310"><a name="p169111846181310"></a><a name="p169111846181310"></a><strong id="b1213516721612"><a name="b1213516721612"></a><a name="b1213516721612"></a>负载特征</strong></p>
</th>
<th class="cellrowborder" valign="top" width="27.650000000000002%" id="mcps1.2.5.1.4"><p id="p1591144617135"><a name="p1591144617135"></a><a name="p1591144617135"></a><strong id="b31363721611"><a name="b31363721611"></a><a name="b31363721611"></a>支持的应用</strong></p>
</th>
</tr>
</thead>
<tbody><tr id="row17911114651318"><td class="cellrowborder" valign="top" width="22.12%" headers="mcps1.2.5.1.1 "><p id="p1791124631317"><a name="p1791124631317"></a><a name="p1791124631317"></a>default</p>
</td>
<td class="cellrowborder" valign="top" width="12.959999999999999%" headers="mcps1.2.5.1.2 "><p id="p45321515191120"><a name="p45321515191120"></a><a name="p45321515191120"></a>默认类型</p>
</td>
<td class="cellrowborder" valign="top" width="37.269999999999996%" headers="mcps1.2.5.1.3 "><p id="p691184671312"><a name="p691184671312"></a><a name="p691184671312"></a>CPU、内存带宽、网络、IO各维度资源使用率都不高</p>
</td>
<td class="cellrowborder" valign="top" width="27.650000000000002%" headers="mcps1.2.5.1.4 "><p id="p69111946131318"><a name="p69111946131318"></a><a name="p69111946131318"></a>N/A</p>
</td>
</tr>
<tr id="row791164631318"><td class="cellrowborder" valign="top" width="22.12%" headers="mcps1.2.5.1.1 "><p id="p179110461137"><a name="p179110461137"></a><a name="p179110461137"></a>webserver</p>
</td>
<td class="cellrowborder" valign="top" width="12.959999999999999%" headers="mcps1.2.5.1.2 "><p id="p20532111512117"><a name="p20532111512117"></a><a name="p20532111512117"></a>https应用</p>
</td>
<td class="cellrowborder" valign="top" width="37.269999999999996%" headers="mcps1.2.5.1.3 "><p id="p1191117469133"><a name="p1191117469133"></a><a name="p1191117469133"></a>CPU使用率高</p>
</td>
<td class="cellrowborder" valign="top" width="27.650000000000002%" headers="mcps1.2.5.1.4 "><p id="p159111546161317"><a name="p159111546161317"></a><a name="p159111546161317"></a>Nginx</p>
</td>
</tr>
<tr id="row13911946141311"><td class="cellrowborder" valign="top" width="22.12%" headers="mcps1.2.5.1.1 "><p id="p2911164610134"><a name="p2911164610134"></a><a name="p2911164610134"></a>big_database</p>
</td>
<td class="cellrowborder" valign="top" width="12.959999999999999%" headers="mcps1.2.5.1.2 "><p id="p4532111561119"><a name="p4532111561119"></a><a name="p4532111561119"></a>数据库</p>
</td>
<td class="cellrowborder" valign="top" width="37.269999999999996%" headers="mcps1.2.5.1.3 "><a name="ul3724104521013"></a><a name="ul3724104521013"></a><ul id="ul3724104521013"><li>关系型数据库<p id="p14911124612131"><a name="p14911124612131"></a><a name="p14911124612131"></a>读： CPU、内存带宽、网络使用率高</p>
<p id="p1491144619136"><a name="p1491144619136"></a><a name="p1491144619136"></a>写：IO使用率高</p>
</li></ul>
<a name="ul26021547101013"></a><a name="ul26021547101013"></a><ul id="ul26021547101013"><li>非关系型数据库<p id="p169111462130"><a name="p169111462130"></a><a name="p169111462130"></a>CPU、IO使用率高</p>
</li></ul>
</td>
<td class="cellrowborder" valign="top" width="27.650000000000002%" headers="mcps1.2.5.1.4 "><p id="p1091134671313"><a name="p1091134671313"></a><a name="p1091134671313"></a>MongoDB、MySQL、PostgreSQL、MariaDB</p>
</td>
</tr>
<tr id="row3911174641312"><td class="cellrowborder" valign="top" width="22.12%" headers="mcps1.2.5.1.1 "><p id="p491144611319"><a name="p491144611319"></a><a name="p491144611319"></a>big_data</p>
</td>
<td class="cellrowborder" valign="top" width="12.959999999999999%" headers="mcps1.2.5.1.2 "><p id="p953261521112"><a name="p953261521112"></a><a name="p953261521112"></a>大数据</p>
</td>
<td class="cellrowborder" valign="top" width="37.269999999999996%" headers="mcps1.2.5.1.3 "><p id="p129111046151315"><a name="p129111046151315"></a><a name="p129111046151315"></a>CPU、IO使用率较高</p>
</td>
<td class="cellrowborder" valign="top" width="27.650000000000002%" headers="mcps1.2.5.1.4 "><p id="p119111946161317"><a name="p119111946161317"></a><a name="p119111946161317"></a>Hadoop、Spark</p>
</td>
</tr>
<tr id="row591112462132"><td class="cellrowborder" valign="top" width="22.12%" headers="mcps1.2.5.1.1 "><p id="p1791104661313"><a name="p1791104661313"></a><a name="p1791104661313"></a>in-memory_computing</p>
</td>
<td class="cellrowborder" valign="top" width="12.959999999999999%" headers="mcps1.2.5.1.2 "><p id="p453291517111"><a name="p453291517111"></a><a name="p453291517111"></a>内存密集型应用</p>
</td>
<td class="cellrowborder" valign="top" width="37.269999999999996%" headers="mcps1.2.5.1.3 "><p id="p591184671318"><a name="p591184671318"></a><a name="p591184671318"></a>CPU、内存带宽使用率高</p>
</td>
<td class="cellrowborder" valign="top" width="27.650000000000002%" headers="mcps1.2.5.1.4 "><p id="p2912846121315"><a name="p2912846121315"></a><a name="p2912846121315"></a>SPECjbb2015</p>
</td>
</tr>
<tr id="row59121246181320"><td class="cellrowborder" valign="top" width="22.12%" headers="mcps1.2.5.1.1 "><p id="p1391204619130"><a name="p1391204619130"></a><a name="p1391204619130"></a>in-memory_database</p>
</td>
<td class="cellrowborder" valign="top" width="12.959999999999999%" headers="mcps1.2.5.1.2 "><p id="p65328153111"><a name="p65328153111"></a><a name="p65328153111"></a>计算+网络密集型应用</p>
</td>
<td class="cellrowborder" valign="top" width="37.269999999999996%" headers="mcps1.2.5.1.3 "><p id="p3912164617133"><a name="p3912164617133"></a><a name="p3912164617133"></a>CPU单核使用率高，多实例下网络使用率高</p>
</td>
<td class="cellrowborder" valign="top" width="27.650000000000002%" headers="mcps1.2.5.1.4 "><p id="p1691254621313"><a name="p1691254621313"></a><a name="p1691254621313"></a>Redis</p>
</td>
</tr>
<tr id="row1891264641315"><td class="cellrowborder" valign="top" width="22.12%" headers="mcps1.2.5.1.1 "><p id="p391214621312"><a name="p391214621312"></a><a name="p391214621312"></a>single_computer_intensive_jobs</p>
</td>
<td class="cellrowborder" valign="top" width="12.959999999999999%" headers="mcps1.2.5.1.2 "><p id="p55324155117"><a name="p55324155117"></a><a name="p55324155117"></a>计算密集型应用</p>
</td>
<td class="cellrowborder" valign="top" width="37.269999999999996%" headers="mcps1.2.5.1.3 "><p id="p1912164651319"><a name="p1912164651319"></a><a name="p1912164651319"></a>CPU单核使用率高，部分子项内存带宽使用率高</p>
</td>
<td class="cellrowborder" valign="top" width="27.650000000000002%" headers="mcps1.2.5.1.4 "><p id="p9912746121311"><a name="p9912746121311"></a><a name="p9912746121311"></a>SPECCPU2006</p>
</td>
</tr>
<tr id="row2912184671312"><td class="cellrowborder" valign="top" width="22.12%" headers="mcps1.2.5.1.1 "><p id="p1391213464130"><a name="p1391213464130"></a><a name="p1391213464130"></a>communication</p>
</td>
<td class="cellrowborder" valign="top" width="12.959999999999999%" headers="mcps1.2.5.1.2 "><p id="p153210159118"><a name="p153210159118"></a><a name="p153210159118"></a>网络密集型应用</p>
</td>
<td class="cellrowborder" valign="top" width="37.269999999999996%" headers="mcps1.2.5.1.3 "><p id="p591214460137"><a name="p591214460137"></a><a name="p591214460137"></a>CPU、网络使用率高</p>
</td>
<td class="cellrowborder" valign="top" width="27.650000000000002%" headers="mcps1.2.5.1.4 "><p id="p391214619139"><a name="p391214619139"></a><a name="p391214619139"></a>Dubbo</p>
</td>
</tr>
<tr id="row1991224641317"><td class="cellrowborder" valign="top" width="22.12%" headers="mcps1.2.5.1.1 "><p id="p5912154613139"><a name="p5912154613139"></a><a name="p5912154613139"></a>idle</p>
</td>
<td class="cellrowborder" valign="top" width="12.959999999999999%" headers="mcps1.2.5.1.2 "><p id="p12532161561115"><a name="p12532161561115"></a><a name="p12532161561115"></a>系统idle</p>
</td>
<td class="cellrowborder" valign="top" width="37.269999999999996%" headers="mcps1.2.5.1.3 "><p id="p10912154631311"><a name="p10912154631311"></a><a name="p10912154631311"></a>系统处于空闲状态，无任何应用运行</p>
</td>
<td class="cellrowborder" valign="top" width="27.650000000000002%" headers="mcps1.2.5.1.4 "><p id="p11912164617133"><a name="p11912164617133"></a><a name="p11912164617133"></a>N/A</p>
</td>
</tr>
</tbody>
</table>
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