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Automatically exported from code.google.com/p/david-mysql-tools
如题,烦请核实验证。
Original issue reported on code.google.com by [email protected]
on 11 Jan 2014 at 11:00
What steps will reproduce the problem?
1.
2.
3.
What is the expected output? What do you see instead?
According to my understanding, second buffer pool is used to promote read
performance. so i think i should find read io in ssd.
What version of the product are you using? On what operating system?
mysql-5.5.1-m2-linux-x86_64
Please provide any additional information below.
Original issue reported on code.google.com by [email protected]
on 9 Nov 2010 at 2:46
In buf_flush_buffered_writes and buf_flush_write_block_low methods, when the
page is written back to disk, why are the behavior of sbp is different? In
"buf_flush_write_block_low", when found a page in sbp ,just update the stat
info, bu in "buf_flush_buffered_writes", the page were been delete from sbp
thank you!!
Original issue reported on code.google.com by [email protected]
on 11 Jan 2011 at 2:31
What steps will reproduce the problem?
1.
2.
3.
What is the expected output? What do you see instead?
What version of the product are you using? On what operating system?
Please provide any additional information below.
Original issue reported on code.google.com by [email protected]
on 11 Jan 2011 at 2:24
在windows7/mysql5.5环境,尝试后发现:
innodb_file_per_table=1 而不是innodb_file_per_table=ON
show variables like 'innodb_file_per_table';的结果是innodb_file_per_table=ON
Original issue reported on code.google.com by [email protected]
on 24 May 2011 at 4:05
增加部分在mysql8.0下遇到无法解析的结点类型
在include.py中修改:
innodb_page_type={
'0000':u'Freshly Allocated Page',
'0002':u'Undo Log Page',
'0003':u'File Segment inode',
'0004':u'Insert Buffer Free List',
'0005':u'Insert Buffer Bitmap',
'0006':u'System Page',
'0007':u'Transaction system Page',
'0008':u'File Space Header',
'0009':u'扩展描述页',
'000a':u'Uncompressed BLOB Page',
'000b':u'1st compressed BLOB Page',
'000c':u'Subsequent compressed BLOB Page',
'45bf':u'B-tree Node',
'45bd':u'Tablespace SDI Index page.',
'0017':u'Data pages of uncompressed LOB.',
'0018':u'The first page of an uncompressed LOB.'
}
其他页结点类型可参考https://dev.mysql.com/doc/dev/mysql-server/latest/fil0fil_8h.html#a98d3fc7dcab858ee6f9981dca51089a7
David,
I did find any you contact information.
I am interested in your second level cache buffer pool feature.
Can you please contact me ?
Vadim @ percona.com
Thanks,
Vadim
--
Vadim Tkachenko, CTO, Percona Inc.
Original issue reported on code.google.com by vadim%[email protected]
on 27 Apr 2010 at 10:44
偏移量应该是0x002c吧,是不是笔误?
如果是0x002c,那下条记录为什么是0x002b呢?这里有点疑问。
Original issue reported on code.google.com by [email protected]
on 30 Jul 2013 at 7:08
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