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I want to know some detailed steps and definitions of the file reading process. For example, after understanding the writing process, what is the standard of using 32 < < 10 as a 32kb file measurement during reading, how to understand some calculation reasons of the offset during reading, and what is the ultimate purpose |
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Replies: 1 comment 3 replies
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Where does the 32k come from? This page may be helpful: https://juicefs.com/docs/zh/community/internals/io_processing (no English version yet) |
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Before the read preview, the definition of "var lastbs Uint64 = 32 < < 10", thank you for your reply. I will refer to this link |
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Some of storage format has a footer at the end of file, it's better to read more then request in one shot, so later read can reuse the result. |
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This seems to be a good deal of detail, I will continue to think about it |
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Where does the 32k come from?
This page may be helpful: https://juicefs.com/docs/zh/community/internals/io_processing (no English version yet)