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< h1 > 执行结果存日志< a class = "headerlink" href = "#id1" title = "永久链接至标题" > ¶< / a > < / h1 >
< blockquote >
< div > < p > 将命令的结果完整保存在日志文件中，便于后续进行分析< / p >
< / div > < / blockquote >
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< li > < p > 默认情况下，该功能是关闭的，如果需要开启，请执行以下命令：< / p > < / li >
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< div class = "highlight-bash notranslate" > < div class = "highlight hljs" > < pre class = "bash" > $ options save-result true
NAME BEFORE-VALUE AFTER-VALUE
----------------------------------------
save-result false true
Affect(row-cnt:1) cost in 3 ms.< / pre > < / div >
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< p > 看到上面的输出，即表示成功开启该功能；< / p >
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< li > < p > 日志文件路径< / p > < / li >
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< p > 结果会异步保存在：< code class = "docutils literal notranslate" > < span class = "pre" > {user.home}/logs/arthas-cache/result.log< / span > < / code > ，请定期进行清理，以免占据磁盘空间< / p >
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< h2 > 使用新版本Arthas的异步后台任务将结果存日志文件< a class = "headerlink" href = "#arthas" title = "永久链接至标题" > ¶< / a > < / h2 >
< div class = "highlight-bash notranslate" > < div class = "highlight hljs" > < pre class = "bash" > $ trace Test t > > &
job id : 2
cache location : /Users/admin/logs/arthas-cache/28198/2< / pre > < / div >
< / div >
< p > 此时命令会在后台异步执行，并将结果异步保存在文件（~/logs/arthas-cache/${PID}/${JobId}）中；< / p >
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< li > < p > 此时任务的执行不受session断开的影响； ， < code class = "docutils literal notranslate" > < span class = "pre" > options< / span > < / code > 命令修改默认超时时间；< / p > < / li >
< li > < p > 此命令的结果将异步输出到< code class = "docutils literal notranslate" > < span class = "pre" > save-result< / span > < / code > 是否为true， < / p > < / li >
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