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<div class="section" id="options">
<span id="options"></span><h1>options<a class="headerlink" href="#options" title="永久链接至标题">¶</a></h1>
<blockquote>
<div>全局开关</div></blockquote>
<table border="1" class="docutils">
<thead>
<tr>
<th>名称</th>
<th>默认值</th>
<th>描述</th>
</tr>
</thead>
<tbody>
<tr>
<td>unsafe</td>
<td>false</td>
<td>是否支持对系统级别的类进行增强，打开该开关可能导致把JVM搞挂，请慎重选择！</td>
</tr>
<tr>
<td>dump</td>
<td>false</td>
<td>是否支持被增强了的类dump到外部文件中，如果打开开关，class文件会被dump到<code>/${application dir}/arthas-class-dump/</code>目录下，具体位置详见控制台输出</td>
</tr>
<tr>
<td>batch-re-transform</td>
<td>true</td>
<td>是否支持批量对匹配到的类执行retransform操作</td>
</tr>
<tr>
<td>json-format</td>
<td>false</td>
<td>是否支持json化的输出</td>
</tr>
<tr>
<td>disable-sub-class</td>
<td>false</td>
<td>是否禁用子类匹配，默认在匹配目标类的时候会默认匹配到其子类，如果想精确匹配，可以关闭此开关</td>
</tr>
<tr>
<td>debug-for-asm</td>
<td>false</td>
<td>打印ASM相关的调试信息</td>
</tr>
<tr>
<td>save-result</td>
<td>false</td>
<td>是否打开执行结果存日志功能，打开之后所有命令的运行结果都将保存到<code>/home/admin/logs/arthas/arthas.log</code>中</td>
</tr>
<tr>
<td>job-timeout</td>
<td>1d</td>
<td>异步后台任务的默认超时时间，超过这个时间，任务自动停止；比如设置 1d, 2h, 3m, 25s，分别代表天、小时、分、秒</td>
</tr>
</tbody>
</table><div class="section" id="">
<span id="id1"></span><h2>使用说明<a class="headerlink" href="#" title="永久链接至标题">¶</a></h2>
<p>例如，想打开执行结果存日志功能，输入如下命令即可：</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span>$ options save-result true
NAME BEFORE-VALUE AFTER-VALUE
----------------------------------------
save-result false true
</pre></div>
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