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更新 JFR/0_初识Java Flight Record.md

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8ga 2025-03-13 13:28:43 +08:00
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JFR/0_初识Java Flight Record.md
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@ -199,4 +199,6 @@ Sample threads: true
|maxsize | 0 | dump最大文件大小，配置和上文介绍的一样|
|begin | - | dump开始位置， 可以这么配置：09:00, 21:35:00, 2018-06-03T18:12:56.827Z, 2018-06-03T20:13:46.832, -10m, -3h, -1d|
|end |-| dump结束位置，可以这么配置： 09:00, 21:35:00, 2018-06-03T18:12:56.827Z, 2018-06-03T20:13:46.832, -10m, -3h, -1d|
|path-to-gc-roots| false | 一般不开启，dump 的时候打开这个肯定会触发一次 fullGC，对线上应用有影响|
|path-to-gc-roots| false | 一般不开启，dump 的时候打开这个肯定会触发一次 fullGC，对线上应用有影响|
<a href='./1_查看JFR事件的工具JMC.md' target='_blank'>查看下一节</a>