The migration tool outputs the execution tracing in a shell window while the migration is in process.

迁移过程中，迁移工具输出执行，在shell窗口中追踪。

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Diagnostic and audit logs very quickly become powerful tools for tracing the execution of running programs whether for debugging purposes or administration and monitoring purposes.

诊断和审计日志迅速成为跟踪运行程序执行的强大工具，不管是出于调试目的，还是出于管理和监视目的。

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Because this tracing work is interleaved with program execution, the GC can lose track of certain objects that the application can "hide" through executing loads and stores.

由于这种跟踪工作与程序的执行是交叉进行的，应用程序通过执行加载或存储将某些对象“隐藏”，因此GC可能会丢失这些对象的跟踪。

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