Non-designated ports discard data traffic. These ports are called blocking ( B) or discarding ports.

非指定埠会丢弃资料流量。这些埠称为阻隔（B）或丢弃埠。

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However, you can configure application-level tracing to always store the most recent tracing data, discarding the oldest data when the maximum number of requests is reached.

然而，您可以设定应用程序层级追踪一定要储存最新的追踪资料，并在达到要求的最大数目时舍弃最旧的资料。

youdao

However, you can configure application-level tracing to always store the most recent tracing data, discarding the oldest data when the maximum number of requests is reached.

然而，您可以设定应用程序层级追踪一定要储存最新的追踪资料，并在达到要求的最大数目时舍弃最旧的资料。

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