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py_innodb_page_info简介

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Release: 2016-06-07 16:11:19
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py_innodb_page_info工具使用 此工具是《MySQL技术内幕 InnoDB存储引擎》作者姜承尧写的用来分析表空间中的各页得类型和信息,用python编写。最近我也在拜读这本书。由三个文件py_innodb_page_info.py,mylib.py和include.py组成。需要放在同一个目录下,chmod

py_innodb_page_info工具使用
此工具是《MySQL技术内幕 InnoDB存储引擎》作者姜承尧写的用来分析表空间中的各页得类型和信息,用python编写。最近我也在拜读这本书。由三个文件py_innodb_page_info.py,mylib.py和include.py组成。需要放在同一个目录下,chmod 755 这三个文件的权限。注意:py_innodb_page_info查看的是磁盘文件,所有在运行时需要确保缓冲池中的页都刷回到磁盘。

用法举例:
1. py_innodb_page_info.py /usr/local/mysql/data/xiguaproductdb/t_xg_product_sizetable.ibd
\
2.py_innodb_page_info.py -v /usr/local/mysql/data/xiguaproductdb/t_xg_product_sizetable.ibd


通过py_innodb_page_info和hexdump可以找到mysql数据页中每个部分的值。

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