容器弹性伸缩(HPA)
<p class="shortdesc">创建容器弹性伸缩(HPA)策略后,可基于资源变化自动触发实例的增减,从而降低人为反复调整资源以应对业务变化和业务高峰时期的工作量,帮助您节约资源和人力成本。伸缩策略支持根据CPU、内存的设置,进行无状态工作负载的自动伸缩。在CPU、内存使用率满足阈值条件时,自动增减实例。本文主要介绍如何创建和管理容器弹性伸缩(HPA)策略。</p>
<section><div class="tasklabel"><h2 class="doc-tairway">操作步骤</h2></div><ol class="ol steps"><li class="li step stepexpand">
<span class="ph cmd">登录<a class="xref" href="https://www.ocftcloud.com/console/pks/cluster" target="_blank" rel="external noopener">容器服务CaaS Serverless集群控制台</a>。</span>
</li><li class="li step stepexpand">
<span class="ph cmd">单击左侧导航栏<span class="ph uicontrol">集群</span>,进入<span class="ph uicontrol">集群列表</span>页面。</span>
</li><li class="li step stepexpand">
<span class="ph cmd">在目标地域中,单击目标集群名称,进入<span class="ph uicontrol">集群信息。</span></span>
</li><li class="li step stepexpand">
<span class="ph cmd">在集群管理页左侧导航栏单击<span class="ph menucascade"><span class="ph uicontrol">工作负载</span><abbr> > </abbr><span class="ph uicontrol">无状态</span></span>,进入<span class="ph uicontrol">无状态工作负载</span>页面。</span>
</li><li class="li step stepexpand">
<span class="ph cmd">在目标工作负载<span class="ph uicontrol">操作</span>列,单击<span class="ph menucascade"><span class="ph uicontrol">更多操作</span><abbr> > </abbr><span class="ph uicontrol">容器弹性伸缩(HPA)</span></span>。</span>
</li><li class="li step stepexpand">
<span class="ph cmd">在<span class="ph uicontrol">容器弹性伸缩(HPA)</span>页面,参考如下说明完成配置。</span>
<div class="itemgroup info">
<div class="p">
<img class="image" id="hpa__image_qnj_g4g_gsb" width="800" src="https://obs-cn-shanghai.fincloud.pinganyun.com/pacloud/20222012160841-1d52647a9aff.png">
</div>
<table class="table" id="hpa__table_tmn_zh5_rvb"><caption></caption><colgroup><col><col></colgroup><thead class="thead">
<tr class="row">
<th class="entry" id="hpa__table_tmn_zh5_rvb__entry__1">
<p class="p">配置项</p>
</th>
<th class="entry" id="hpa__table_tmn_zh5_rvb__entry__2">
<p class="p">说明</p>
</th>
</tr>
</thead><tbody class="tbody">
<tr class="row">
<td class="entry" headers="hpa__table_tmn_zh5_rvb__entry__1 ">
<p class="p">HPA名称</p>
</td>
<td class="entry" headers="hpa__table_tmn_zh5_rvb__entry__2 ">
<p class="p">设置HPA名称。请输入6-63个字符,可以包含小写英文字母、数字和中划线(-),并以小写字母开头,小写字母或者数字结尾。</p>
</td>
</tr>
<tr class="row">
<td class="entry" headers="hpa__table_tmn_zh5_rvb__entry__1 ">
<p class="p">最小Pod数</p>
</td>
<td class="entry" headers="hpa__table_tmn_zh5_rvb__entry__2 ">
<p class="p">设置最小Pod数。支持输入最小为1最大为100的整数。</p>
</td>
</tr>
<tr class="row">
<td class="entry" headers="hpa__table_tmn_zh5_rvb__entry__1 ">
<p class="p">最大Pod数</p>
</td>
<td class="entry" headers="hpa__table_tmn_zh5_rvb__entry__2 ">
<p class="p">设置最大Pod数。支持输入最小为1最大为200的整数,需大于最小Pod数。</p>
</td>
</tr>
<tr class="row">
<td class="entry" headers="hpa__table_tmn_zh5_rvb__entry__1 ">
<p class="p">策略指标</p>
</td>
<td class="entry" headers="hpa__table_tmn_zh5_rvb__entry__2 ">
<p class="p">设置容器弹性伸缩策略指标,支持设置CPU利用率、内存利用率。</p>
</td>
</tr>
</tbody></table>
</div>
</li><li class="li step stepexpand">
<span class="ph cmd">单击<span class="ph uicontrol">确定</span>。</span>
</li></ol></section>
<section class="section result"><div class="tasklabel"><h2 class="doc-tairway">执行结果</h2></div>
<p class="p">在无状态工作负载列表处,单击目标工作负载名称,进入工作负载信息页面,选择<strong class="ph b">容器弹性伸缩(HPA)</strong>页签,可以查看到刚刚创建的HPA。</p>
</section>
<section class="section postreq" id="hpa__postreq_fjz_4gc_gsb"><div class="tasklabel"><h2 class="doc-tairway">后续操作</h2></div>
<p class="p">您可以在<strong class="ph b">容器弹性伸缩(HPA)</strong>页签下查看并管理已创建的HPA策略。</p>
<ul class="ul" id="hpa__ul_zr1_rgc_gsb">
<li class="li">
<span class="ph uicontrol">查看状态</span> :单击<strong class="ph b">操作</strong>列的<strong class="ph b">查看状态</strong>,可查看HPA的状态信息。</li>
<li class="li">
<span class="ph uicontrol">编辑HPA</span> :单击<strong class="ph b">操作</strong>列的<strong class="ph b">编辑</strong>,可重新编辑HPA的最大Pod数、最小Pod数或策略指标。</li>
<li class="li">
<span class="ph uicontrol">查看/编辑Yaml</span> :单击<strong class="ph b">操作</strong>列的<strong class="ph b">查看Yaml</strong>,可以查看或更新Yaml。</li>
<li class="li">
<span class="ph uicontrol">删除HPA</span> :单击<strong class="ph b">操作</strong>列的<strong class="ph b">删除HPA</strong>,在弹出的页面中单击<strong class="ph b">删除</strong>,即可删除HPA。</li>
</ul>
</section>
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