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vault backup: 2023-03-18 18:35:02
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notes/programming/Java 并发编程.md
notes/programming/Linux 中 5 种 IO 模型.md
notes/programming/MVCC.md
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615lyw committed Mar 18, 2023
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2 changes: 1 addition & 1 deletion notes/programming/Java 并发编程.md
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# Java 并发编程

并发编程是一个通用且成熟的领域,Java 不过是根据自身情况做了实现。不要局限于 Java 的具体实现(例如仅仅关注 Java 提供的并发工具)
并发编程是一个通用且成熟的领域,Java 不过是根据自身情况做了实现。不要局限于 Java 的具体实现。

- [[并发理论]]
- [[Java 线程生命周期]]
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7 changes: 6 additions & 1 deletion notes/programming/Linux 中 5 种 IO 模型.md
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---

两阶段:
I/O 分类:

- 网络 I/O
- 文件 I/O

I/O 两阶段:

1. 操作系统等待数据到来或准备好
2. 将数据从内核空间复制到用户空间
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1 change: 0 additions & 1 deletion notes/programming/MVCC.md
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实现并发事务之间的隔离性。


# 背景知识

使用 InnoDB 的表 B+ 树叶子节点中每条记录都有如下两个字段:
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