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@@ -1,6 +1,8 @@
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tt
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==
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[`tt` online tutorial](https://alibaba.github.io/arthas/arthas-tutorials?language=en&id=command-tt)
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Check the `parameters`, `return values` and `exceptions` of the methods at different times.
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`watch` is a powerful command but due to its feasibility and complexity, it's quite hard to locate the issue effectively.
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@@ -1,6 +1,8 @@
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tt
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===
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[`tt`在线教程](https://alibaba.github.io/arthas/arthas-tutorials?language=cn&id=command-tt)
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> 方法执行数据的时空隧道,记录下指定方法每次调用的入参和返回信息,并能对这些不同的时间下调用进行观测
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`watch` 虽然很方便和灵活,但需要提前想清楚观察表达式的拼写,这对排查问题而言要求太高,因为很多时候我们并不清楚问题出自于何方,只能靠蛛丝马迹进行猜测。
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