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Question: Why is the backup first copied to a local drive?

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该 issue 未指定任何文件、测试或入口点。首先明确该请求是针对异地备份的流式传输,还是仅在压缩和加密禁用时跳过本地暂存步骤,然后跟踪现有的备份流程,并确定应如何验证完成状态。

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描述

Disclaimer - I am not an expert on this topic and my question could be stupid but I am trying to understand this a bit more.

So to my understanding, when a full backup is being made it first copies everything to the set local directory so that it can compress/encrypt the data before sending it to the external backup site. Now my question is, why does it need to copy everything to the local drive? Can't it compress/encrypt the data in memory and then send it directly to do the off-site backup?

The reason why I am asking this is that regularly writing and rewriting everything on my hard disk puts a lot of stress on it (stress that in my eyes is not needed).

Also if this is required for compression/encryption would it be possible to skip this step if you disable both compression and encryption?

Thanks in advance 😅

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