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Various translations of OSTEP can be found here. Help the cause and contribute!
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In Chapter 8.1 Paragraph 4.
“MLFQ 没有为每个工作指定不变的_优先情绪而已_,而是根据观察到的行为调整它的优先级。” should be "MLFQ 没有为每个工作指定不变的_优先级_,而是根据观察到的行为调整它的优先级。"
It is an obvious spelling error.
Hope to help you.
Thanks for your amazing OS book, it's the best OS book I've ever read during my undergraduate years. And thanks for your generous contribution to make the book "free"!
There is a slight translation mistake in the Chinese Version of 20.3 Multi-level Page Tables#A Detailed Multi-Level Example.
Thanks for your book again!
On the page for the Chinese translations: https://github.com/remzi-arpacidusseau/ostep-translations/tree/master/chinese
All of the links are invalid. For example, http://pages.cs.wisc.edu/~remzi/OSTEP/Chinese/13.pdf shows the following error:
Computer Sciences Dept.
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There is a trivial typo in Korean translation, Chapter 40 page 4
This should be change from
각 비트는 해당 블럭이나 객체 (우리의 경우는 각 아이노드에 해당한다.)가 사용 중인지 (1) 아닌지 (1)를 나타낸다.
to
각 비트는 해당 블럭이나 객체 (우리의 경우는 각 아이노드에 해당한다.)가 사용 중인지 (1) 아닌지 (0)를 나타낸다.
https://pages.cs.wisc.edu/~remzi/OSTEP/Chinese/bad.pdf
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Thanks!
page58 first sentence:
的优先情绪而已
should be
的优先级
Hi, I think there is a misunderstanding in 40.6 写入磁盘.
每次写入文件在逻辑上会 导致 5 个 I/O:一个读取数据位图(然后更新以标记新分配的块被使用),一个写入位图(将 它的新状态存入磁盘),再是两次读取,然后写入 inode(用新块的位置更新),最后一次写 入真正的数据块本身。
The original text here is "Thus, each write to a file logically generates five I/Os: one to read the data bitmap (which is then updated to mark the newly-allocated block as used), one to write the bitmap (to reflect its new state to disk), two more to read and then write the inode (which is updated with the new block’s location), and finally one to write the actual block itself."
I believe the correct translation should be "另外两次访问,读取和写入inode". The "two more" here means one read and one write rather than two reads plus one write as there are 5 I/Os per write as mentioned before. The last paragraph also confirms that "each allocating write costs 5 I/Os: a pair to read and update the inode, another pair to read and update the data bitmap, and then finally the write of the data itself."
在Ch37 (37.3)中"T_{传输}=30ms",根据原书和上下文大概应为30微秒(
没有44 Flash-based SSDs章节
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