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< h1 > options< a class = "headerlink" href = "#options" title = "永久链接至标题" > ¶< / a > < / h1 >
< blockquote >
< div > < p > 全局开关< / p >
< / div > < / blockquote >
< table border = "1" class = "docutils" >
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< 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， ， ！ < / 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， ， < code > /${application working 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 > support-default-method< / td >
< td > true< / td >
< td > 是否支持匹配到default method， ， < a href = "https://github.com/alibaba/arthas/issues/1105" > #1105< / a > < / 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 > ~/logs/arthas-cache/result.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；， < / td >
< / tr >
< tr >
< td > print-parent-fields< / td >
< td > true< / td >
< td > 是否打印在parent class里的filed< / td >
< / tr >
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< h2 > 查看所有的options< a class = "headerlink" href = "#id1" title = "永久链接至标题" > ¶< / a > < / h2 >
< div class = "highlight-bash notranslate" > < div class = "highlight hljs" > < pre class = "bash" > $ options
LEVEL TYPE NAME VALUE SUMMARY DESCRIPTION
--------------------------------------------------------------------------------------------
0 bool unsafe false Option to support This option enables to proxy function
ean system-level class ality of JVM classes. Due to serious
security risk a JVM crash is possibly
be introduced. Do not activate it un
less you are able to manage.
1 bool dump false Option to dump the This option enables the enhanced clas
ean enhanced classes ses to be dumped to external file for
further de-compilation and analysis.
1 bool batch-re-tr true Option to support This options enables to reTransform c
ean ansform batch reTransform lasses with batch mode.
Class
2 bool json-format false Option to support This option enables to format object
ean JSON format of obj output with JSON when -x option selec
ect output ted.
1 bool disable-sub false Option to control This option disable to include sub cl
ean -class include sub class ass when matching class.
when class matchin
g
1 bool save-result false Option to print co This option enables to save each comm
ean mmand' s result to and' s result to log file, which path
log file is ${user.home}/logs/arthas-cache/res
ult.log.
2 Stri job-timeout 1d Option to job time This option setting job timeout,The u
ng out nit can be d, h, m, s for day, hour,
minute, second. 1d is one day in defa
ult
1 bool print-paren true Option to print al This option enables print files in pa
ean t-fields l fileds in parent rent class, default value true.
class< / pre > < / div >
< / div >
< / div >
< div class = "section" id = "option" >
< h2 > 获取option的值< a class = "headerlink" href = "#option" title = "永久链接至标题" > ¶< / a > < / h2 >
< div class = "highlight-default notranslate" > < pre class = "literal-block" > $ options json-format
LEVEL TYPE NAME VALUE SUMMARY DESCRIPTION
--------------------------------------------------------------------------------------------
2 bool json-format false Option to support This option enables to format object
ean JSON format of obj output with JSON when -x option selec
ect output ted.< / pre >
< / div >
< blockquote >
< div > < p > 默认情况下< code class = "docutils literal notranslate" > < span class = "pre" > json-format< / span > < / code > 为false， < code class = "docutils literal notranslate" > < span class = "pre" > watch< / span > < / code > /< code class = "docutils literal notranslate" > < span class = "pre" > tt< / span > < / code > 等命令结果以json格式输出， < code class = "docutils literal notranslate" > < span class = "pre" > json-format< / span > < / code > 为true。< / p >
< / div > < / blockquote >
< / div >
< div class = "section" id = "id2" >
< h2 > 设置指定的option< a class = "headerlink" href = "#id2" 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" > < pre class = "literal-block" > $ options save-result true
NAME BEFORE-VALUE AFTER-VALUE
----------------------------------------
save-result false true< / pre >
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